Service difficulty report · Angle · Boeing 7378H4

Difficulty date
April 28, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N8685B
Make and model
Boeing 7378H4
Aircraft serial
36723
Aircraft time
20,280 hours, 9,431 cycles
Part
Angle
Part number
143A7501188
Condition
Corroded
Location
Fwd Cargo Bay
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FWD CARGO RH Z ANGLE CORRODED WL 156; BS 500A TO 500I ; RBL 25 A225-00I / [01] REMOVED CORROSION IAW SRM 51-10-02 10X MAGNIFY ORIGINAL THICKNESS.040 .010 MATERIAL REMOVED .030 MATERIAL REMAINS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 AAR TOOL NO.36644 DUE DATE 08/20/22;[02] VERIFIED STEP IS COMPLETE;[03] VERIFIED ITEM 2;[04] REMOVED RH Z ANGLE IAW SRM 51-40-02;[05] VERIFIED STEP 1; 2; 3 & 4.;[06] VERIFY MATERIAL USED FOR Z ANGLE REPAIR BAC1496-444 7075-T6 ATAG A67397;[07] Z ANGLE REPAIR SRM 53-00-53-2R-5;[08] VERIFIED STEPS 6 & 7.;[09] STARTED FABBING REPAIR PARTS IAW SRM 53-00-53-2R-5;[10] FINISHED TO FABRICATE Z ANGLE REPAIR PARTS IAW SRM 53-00-53-2R-5 REPAIR 5;[11] VERIFIED STEP 10;[12] VERIFIED STEPS 9;10;11<BR>OK TO TREAT AND PRIME;[13] CUT OUT AREA IS BETWEEN STA 500D - 500E IAW SRM 53-00-53-2R-5 REPAIR 5;[14] APPLIED ALODINE AND PRIMER ON REPAIR PARTS IAW SRM 51-20-0G-0 AND AMM 51-21-72-370-804;[15] VERIFIED STEPS 13 AND 14;[16] VERIFIED STEP 13;14;15;[17] OK GIVEN TO INSTALL NEW Z ANGLE REPAIR PARTS;[18] INSTALLED Z ANGLE REPAIR PARTS IAW SRM 53-00-53-2R-5 REPAIR 5;[19] VERIFIED STEP 18;[20] VERIFIED ITEMS 18 AND 19. OK TO CIC;[21] APPLIED CIC ON Z ANGLE REPAIR AREAS IAW AMM 51-21-91-620-802;[22] VERIFIED STEP 21;[23] VERIFIED STEPS 21 AND 22 CIC APPLIED;[24] JOB COMPLETE; AUDIT C/W

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