Presentation is loading. Please wait.

Presentation is loading. Please wait.

FR 47 UPPER RADIUS - NDT INSPECTION 1 EXITMENU A300 / A300-600 FR 47 upper radius A300 / A300-600 FR 47 upper radius NDT INSPECTION.

Similar presentations


Presentation on theme: "FR 47 UPPER RADIUS - NDT INSPECTION 1 EXITMENU A300 / A300-600 FR 47 upper radius A300 / A300-600 FR 47 upper radius NDT INSPECTION."— Presentation transcript:

1 FR 47 UPPER RADIUS - NDT INSPECTION 1 EXITMENU A300 / A FR 47 upper radius A300 / A FR 47 upper radius NDT INSPECTION

2 FR 47 UPPER RADIUS - NDT INSPECTION 2 EXITMENU The purpose of this CD ROM is to assist NDT inspectors in carrying out: - FR 47 Upper radius inspection - As per: A300 NTM ( SB ) Or A NTM (SB ) The purpose of this CD ROM is to assist NDT inspectors in carrying out: - FR 47 Upper radius inspection - As per: A300 NTM ( SB ) Or A NTM (SB ) NOTE: UNDER NO CIRCUMSTANCE THE CD CONTENT SHOULD NOT SUPERSEDE THE NTM PROCEDURE OR THE SERVICE BULLETIN NOTE: UNDER NO CIRCUMSTANCE THE CD CONTENT SHOULD NOT SUPERSEDE THE NTM PROCEDURE OR THE SERVICE BULLETIN INTRODUCTION

3 FR 47 UPPER RADIUS - NDT INSPECTION 3 EXITMENU CABIN CENTER TANK WING TANK FR47 Front side (LH) CABIN CENTER TANK WING TANK INSPECTED AREA CABIN MLG BAY FR 47 FRONT FACE FR 47 REAR FACE FR 47 DESCRIPTION

4 FR 47 UPPER RADIUS - NDT INSPECTION 4 FR47 FRONT face CRACK LH SIDE “A” EXITMENU FR47 SIDE VIEW “A” CRACK LH SIDE FR47 BACK face “A” POSSIBLE DAMAGE Fatigue cracks emanating from the upper radius and propagating through the frame 47 PICTURE OF UNASSEMBLED PART GIVEN FOR BETTER UNDERSTANDING

5 FR 47 UPPER RADIUS - NDT INSPECTION 5 EXITMENU INSPECTION AREAS FUSELAGE LH side EDDY CURRENT WING FWD KEEL DOUBLER FR 47 KEEL DOUBLER

6 FR 47 UPPER RADIUS - NDT INSPECTION 6 NTM EXITMENU Click here to play again INSPECTION AREAS CABIN ULTRASONIC

7 FR 47 UPPER RADIUS - NDT INSPECTION 7 NTM EXITMENU INSPECTION AREAS LATERAL PANEL KEEL DOUBLER RIB1 CABIN CTR TANK WING TANK

8 FR 47 UPPER RADIUS - NDT INSPECTION 8 EXITMENU CABIN FLOOR US INSPECTION Inspection area KEEL DOUBLER WING TOP SURFACE Inspection area FRAME 47 - FLOORS PANELS REMOVED - PIPES REMOVED - FLOORS PANELS REMOVED - PIPES REMOVED - FAIRINGS REMOVED EC INSPECTION ACCESS FRAME 47 FWD LH side

9 FR 47 UPPER RADIUS - NDT INSPECTION 9 EXITMENU EDDY CURRENT INSPECTION EDDY CURRENT INSPECTION ULTRASONIC INSPECTION L < 8 mm (0.314 in) CRACK L > 8 mm (0.314 in) SB Re-inspection at xxx FC INSPECTION FLOW- CHART

10 FR 47 UPPER RADIUS - NDT INSPECTION 10 EXITMENU EDDY CURRENT INSPECTION EDDY CURRENT INSPECTION ULTRASONIC INSPECTION ULTRASONIC INSPECTION INSPECTION METHODS

11 FR 47 UPPER RADIUS - NDT INSPECTION 11 EDDY CURRENT INSPECTIONINSPECTION MENUEXIT

12 FR 47 UPPER RADIUS - NDT INSPECTION 12 Fatigue cracks emanating from the upper radius of frame 47 DAMAGE MENUEXIT EDDY CURRENT INSPECTION

13 FR 47 UPPER RADIUS - NDT INSPECTION 13 EXITMENU A. The equipment used in the development of this procedure is as follows : (1) Instrument: LOCATOR Type UH from HOCKING (1) Instrument: LOCATOR Type UH from HOCKING (2) Probe: 206P4F, NFe, Shielded, 2MHz from HOCKING (2) Probe: 206P4F, NFe, Shielded, 2MHz from HOCKING (3) Calibration Standard: Al 29A029 from HOCKING (3) Calibration Standard: Al 29A029 from HOCKING NOTE :Any comparable Eddy Current equipment may be used provided that it satisfies the requirements of this procedure and is capable of resolving the reference slot in the calibration standard at the required level of procedure and is capable of resolving the reference slot in the calibration standard at the required level of resolution. resolution. A. The equipment used in the development of this procedure is as follows : (1) Instrument: LOCATOR Type UH from HOCKING (1) Instrument: LOCATOR Type UH from HOCKING (2) Probe: 206P4F, NFe, Shielded, 2MHz from HOCKING (2) Probe: 206P4F, NFe, Shielded, 2MHz from HOCKING (3) Calibration Standard: Al 29A029 from HOCKING (3) Calibration Standard: Al 29A029 from HOCKING NOTE :Any comparable Eddy Current equipment may be used provided that it satisfies the requirements of this procedure and is capable of resolving the reference slot in the calibration standard at the required level of procedure and is capable of resolving the reference slot in the calibration standard at the required level of resolution. resolution. EQUIPMENT AND MATERIALS EDDY CURRENT INSPECTION

14 FR 47 UPPER RADIUS - NDT INSPECTION 14 EXITMENU A. Set the required frequency (2 MHz). B. Use the calibration standard Al 29A029 to calibrate the instrument for lift off and zero, in accordance with the manufacturer’s instructions. in accordance with the manufacturer’s instructions. C. Position the probe directly over the 1 mm (0.039 in.) slot in the calibration standard and adjust the instrument sensitivity so that the meter needle is at 100% of full scale. and adjust the instrument sensitivity so that the meter needle is at 100% of full scale. A. Set the required frequency (2 MHz). B. Use the calibration standard Al 29A029 to calibrate the instrument for lift off and zero, in accordance with the manufacturer’s instructions. in accordance with the manufacturer’s instructions. C. Position the probe directly over the 1 mm (0.039 in.) slot in the calibration standard and adjust the instrument sensitivity so that the meter needle is at 100% of full scale. and adjust the instrument sensitivity so that the meter needle is at 100% of full scale. CALIBRATION EDDY CURRENT INSPECTION

15 FR 47 UPPER RADIUS - NDT INSPECTION 15 EXITMENU NTM Position the probe near to the inspection area and adjust lift-off and zero as necessary. - Position the probe near to the inspection area and adjust lift-off and zero as necessary. - Carry out the inspection using the probe position and scanning movement as illustrated. Position the probe near to the inspection area and adjust lift-off and zero as necessary. - Position the probe near to the inspection area and adjust lift-off and zero as necessary. - Carry out the inspection using the probe position and scanning movement as illustrated. INSPECTION EDDY CURRENT INSPECTION Click here to play again

16 FR 47 UPPER RADIUS - NDT INSPECTION 16 EXITMENUCRACK A crack will be indicated by a sharp meter needle deflection to the right  25% of full scale. - A crack will be indicated by a sharp meter needle deflection to the right  25% of full scale. A crack will be indicated by a sharp meter needle deflection to the right  25% of full scale. - A crack will be indicated by a sharp meter needle deflection to the right  25% of full scale. INSPECTION CRACK EDDY CURRENT INSPECTION CRACK

17 FR 47 UPPER RADIUS - NDT INSPECTION 17 EXITMENU L SB ULTRASONIC INSPECTION L < 8 mm (0.314 in) Re-inspect CRACK L > 8 mm (0.314 in) L Note: The crack length “ L” is taken from the back face of the frame. Note: The crack length “ L” is taken from the back face of the frame. FWD EDDY CURRENT INSPECTION

18 FR 47 UPPER RADIUS - NDT INSPECTION 18 EXITMENUULTRASONICULTRASONIC INSPECTIONINSPECTION

19 FR 47 UPPER RADIUS - NDT INSPECTION 19 EXITMENU GENERAL ULTRASONIC INSPECTION RECORDING OF CRACK START START POSITION IN THE RADIUS POSITION IN THE RADIUS STEP 1 RECORDING OF CRACK DEPTH and END DEPTH and END POSITION IN THE FRAME POSITION IN THE FRAME STEP 2 -THE ULTRASONIC INSPECTION IS MADE IN 2 STEPS- STEP 1 : RECORDING OF CRACK START POSITION IN THE RADIUS STEP 2 : RECORDING OF CRACK DEPTH and END POSITION IN THE FRAME

20 FR 47 UPPER RADIUS - NDT INSPECTION 20 EXITMENU RECORDING OF THE CRACK START POSITION IN THE RADIUS KEEL DOUBLER RADIUS ULTRASONIC INSPECTION STEP 1 The principle is to locate the crack relative to a reference line, which is the projection of the keel doubler on the radius crack Reference

21 FR 47 UPPER RADIUS - NDT INSPECTION 21 EXITMENU NTM - Put the reference location tool PN 99A on the Keel Doubler and record - Put the reference location tool PN 99A on the Keel Doubler and record (with a fine permanent pen) the position in the radius of the reference line mark. - Put the reference location tool PN 99A on the Keel Doubler and record - Put the reference location tool PN 99A on the Keel Doubler and record (with a fine permanent pen) the position in the radius of the reference line mark. NTM INSPECTION ULTRASONIC INSPECTION Click here to play again

22 FR 47 UPPER RADIUS - NDT INSPECTION 22 EXITMENU NTM REFERENCE LINE MARK CRACK The crack position on the radius will be determined relative to this reference line mark ULTRASONIC INSPECTION

23 FR 47 UPPER RADIUS - NDT INSPECTION 23 EXITMENU NTM -Place the transparency vernier PN 99A on the radius and adjust it’s position until the zero of the transparency vernier coincides with the crack origin on the back face of the fitting frame -Place the transparency vernier PN 99A on the radius and adjust it’s position until the zero of the transparency vernier coincides with the crack origin on the back face of the fitting frame INSPECTION ULTRASONIC INSPECTION Click here to play again

24 FR 47 UPPER RADIUS - NDT INSPECTION 24 EXITMENU NTM POINT1 LH RECORD SHEET PN 99A Read on the transparency vernier the distance between the zero and the marked line and record this value on the “record sheet” (12 in this example) line and record this value on the “record sheet” (12 in this example) - This is Point 1- - This is Point 1- REFERENCE LINE MARK CRACK 12 INSPECTION ULTRASONIC INSPECTION

25 FR 47 UPPER RADIUS - NDT INSPECTION 25 EXITMENU RECORDING OF CRACK DEPTH AND END POSITION. RECORDING OF CRACK DEPTH AND END POSITION. ULTRASONIC INSPECTION STEP 2 D

26 FR 47 UPPER RADIUS - NDT INSPECTION 26 EXITMENU AIRBUS KIT PN 99A EQUIPMENT AND MATERIALS (1) Instrument: USN 52 L from KRAUTKRAEMER GMBH (2) AIRBUS kit:PN 99A including (2) AIRBUS kit:PN 99A including -Search unit: A5068, Al, 5 MHz, 60° Transverse wave from Panametrics -Cable LCMC 74-2 from Panametrics -Reference standard PN 99A Search unit templatePN 99A Transparency vernierPN 99A LH search unit position template: PN 99A RH search unit position template: PN 99A LH record sheet: PN 99A RH record sheet: PN 99A Reference location tool PN 99A ULTRASONIC INSPECTION Note: Except for the instrument, none alternative equipment

27 FR 47 UPPER RADIUS - NDT INSPECTION 27 CABIN FLOOR FR 47 MENUEXIT ACCESS ULTRASONIC INSPECTION

28 FR 47 UPPER RADIUS - NDT INSPECTION 28 NTM A. Adjust the instrument for a 100 mm (3.937 in.) range transverse wave in Aluminum (10 divisions on the screen). B. Using the reference standard PN 99A , couple the search unit in line with the slot 1. C. Adjust the search unit position to obtain a maximum amplitude signal from the slot and adjust the delay to position the maximum slot echo at 6 divisions on the time base line. the delay to position the maximum slot echo at 6 divisions on the time base line. MENUEXIT CALIBRATION ULTRASONIC INSPECTION Click here to play again

29 FR 47 UPPER RADIUS - NDT INSPECTION 29 D. Adjust the instrument gain control to give a full screen height signal on the time base display. For the inspection: Increase the instrument gain control by an additional 12 dB dB MENUEXIT ULTRASONIC INSPECTION 100%

30 FR 47 UPPER RADIUS - NDT INSPECTION 30 NTM - The scanning will start pointing the search unit towards the radius direction, in order to catch the crack at the origin. Then follow the crack, scanning inwards. (No template is used during this first scan) MENUEXIT PROCEDURE ULTRASONIC INSPECTION

31 FR 47 UPPER RADIUS - NDT INSPECTION 31 NTM - Start scanning with the search unit MENUEXIT PROCEDURE ULTRASONIC INSPECTION Click here to play again

32 FR 47 UPPER RADIUS - NDT INSPECTION 32 NTM The end of the crack is when the signal drops at 15% FSH MENUEXIT PROCEDURE ULTRASONIC INSPECTION Click here to play again

33 FR 47 UPPER RADIUS - NDT INSPECTION 33 NTM CRACK END DIRECTION CRACK END AT 15% FSH NOTE THE SEARCH UNIT POSITION ON THE FITTING FRAME MENUEXIT PROCEDURE ULTRASONIC INSPECTION

34 FR 47 UPPER RADIUS - NDT INSPECTION 34 -Put the search unit template in place and repeat the scanning. The search unit template enables the crack direction to be recorded when the signal drops at 15% (crack end). Note: It is recommended to cut the template to facilitate the scanning between holes A and B NTM MENUEXIT PROCEDURE ULTRASONIC INSPECTION Click here to play again

35 FR 47 UPPER RADIUS - NDT INSPECTION 35 RECORD THE END OF THE CRACK AT POSITION” X” ON THE TIME BASE (~6.2 in this example) CRACK END AT 6.2 ON TIME BASE NTM MENUEXIT PROCEDURE ULTRASONIC INSPECTION

36 FR 47 UPPER RADIUS - NDT INSPECTION 36 EXITMENU NTM - Keeping the template in place with the fingers, remove the search unit PROCEDURE ULTRASONIC INSPECTION Click here to play again

37 FR 47 UPPER RADIUS - NDT INSPECTION 37 EXITMENU - Put the “LH Search unit position template” on top of the “Search unit template” using the 2 holes A and B to locate the position The “search unit position template” will enable the search unit position to be recorded relative to holes A and B NTM PROCEDURE ULTRASONIC INSPECTION Click here to play again

38 FR 47 UPPER RADIUS - NDT INSPECTION 38 EXITMENU - Mark on the “search unit position template” both axes Y and Z PROCEDURE ULTRASONIC INSPECTION NTM Y Z Click here to play again

39 FR 47 UPPER RADIUS - NDT INSPECTION 39 - Remove the “search unit position template” MENUEXIT PROCEDURE ULTRASONIC INSPECTION Click here to play again

40 FR 47 UPPER RADIUS - NDT INSPECTION 40 Draw Y and Z axes on the “search unit position template” MENUEXIT PROCEDURE ULTRASONIC INSPECTION Click here to play again

41 FR 47 UPPER RADIUS - NDT INSPECTION 41 -Place the “record sheet LH” on top of the “search unit position template” -Extend the Y axis on the “record sheet” to report distance “d” MENUEXIT PROCEDURE ULTRASONIC INSPECTION NTM Y Z Click here to play again

42 FR 47 UPPER RADIUS - NDT INSPECTION 42xx dd X =6.2 DETERMINATION OF “d ” (distance from the search unit to the crack end) MENUEXIT PROCEDURE ULTRASONIC INSPECTION NTM NTM x

43 FR 47 UPPER RADIUS - NDT INSPECTION 43 On the reference standard, - Couple the search unit to be in line with the slot 2. - Adjust the search unit position to get the slot signal at the same “x” position on the CRT screen time base recorded ( 6.2 in our example ) 6.2 NTM MENUEXIT PROCEDURE ULTRASONIC INSPECTION X Click here to play again

44 FR 47 UPPER RADIUS - NDT INSPECTION CRACK END ON TIME BASE 6.2 MENUEXIT ULTRASONIC INSPECTION The search unit position on the reference standard,corresponds to the same location on the frame (I.e 6.2 ) PROCEDURE

45 FR 47 UPPER RADIUS - NDT INSPECTION 45 Measure the distance “ d” from the search unit to the slot MENUEXIT PROCEDURE ULTRASONIC INSPECTION NTM Click here to play again

46 FR 47 UPPER RADIUS - NDT INSPECTION 46 NTM The distance “ d” to be reported on the “ Record sheet” is 53 mm in this example MENUEXIT PROCEDURE ULTRASONIC INSPECTION d

47 FR 47 UPPER RADIUS - NDT INSPECTION 47 -Report this value on the record sheet This is point 2 MENUEXIT PROCEDURE ULTRASONIC INSPECTION Click here to play again

48 FR 47 UPPER RADIUS - NDT INSPECTION 48 NTM Measure the crack depth “D” on the”record sheet” MENUEXIT PROCEDURE ULTRASONIC INSPECTION D Click here to play again

49 FR 47 UPPER RADIUS - NDT INSPECTION 49 MENUEXIT

50 FR 47 UPPER RADIUS - NDT INSPECTION 50 FR 47 PRESENTATION ULTRASONIC INSPECTION EDDY CURRENT INSPECTION EXIT


Download ppt "FR 47 UPPER RADIUS - NDT INSPECTION 1 EXITMENU A300 / A300-600 FR 47 upper radius A300 / A300-600 FR 47 upper radius NDT INSPECTION."

Similar presentations


Ads by Google