Service difficulty report · Angle · Boeing 7378H4

Difficulty date
March 15, 2022
Submitted
April 12, 2022
Operation
Air carrier
Aircraft
N8682B
Make and model
Boeing 7378H4
Aircraft serial
36651
Aircraft time
20,559 hours, 9,520 cycles
Part
Angle
Condition
Corroded
Location
Fuselage
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

C-1 CARGO PIT; FLOOR PANEL L/H ZEE ANGLE; AREAS OF CORROSION ON UPPER SIDE AT LOWER SIDE WALL PANEL ATTACH FASTENER HOLES; BS 500+15 TO BS 500E+1; LBL 25; WL 156; AREAS MARKED IN BLACK; DOT: 148-002 / [01] REMOVED CORROSION ON Z ANGLE IAW SRM 51-10-02-0G-0 ITEM 15;[02] EVALUATED ALLOWABLE LIMITS ; .040 ORIGINAL 'T' .028 REMAINING .012 LOSS FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2 TOOL USED UT AAR#36647 DUE 05/19/22;[03] VERIFIED STEPS 1 AND 2 IS COMPLETE;[04] VERIFIED STEPS 1;2 AND 3;[05] CUT OUT DAMAGE SECTION OF Z ANGLE BETWEEN STA 480 -500 AND 500E -500F ;REMOVED IAW SRM 53-00-53-2R-5 REPAIR 5;[06] VERIFIED MATERIAL ID FOR Z ANGLE REPAIR PARTS BAC1496-444 7075 T6 TAG #A108154 IAW SRM 53-00-53-2R-5;[07] VERIFIED STEPS 5 AND 6 ARE COMPLETE;[08] VERIFIED STEPS 5; 6 AND 7;[09] UPDATED P/N;[10] VERIFIED STEP;[11] FABRICATED Z ANGLE REPAIR PARTS IAW SRM 53-00-53-2R-5 REPAIR 5;[12] VERIFIED STEP 11;[13] OK GIVEN TO TREAT AND PRIME;[14] APPLIED ALODINE AND PRIMER TO Z ANGLE REPAIR PARTS IAW SRM 51-20-01-0G-0 AND AMM 51-21-72-370-804;[15] VERIFIED STEP 14;[16] OK GIVEN TO INSTALL FABRICATED Z ANGLE REPAIR PARTS;[17] INSTALLED Z ANGLE REPAIR PARTS IAW SRM 53-00-53-2R-5 REPAIR 5;[18] VERIFIED STEP 17 IS COMPLETE;[19] CHANGED REPAIR CLASSIFICATION;[20] VERIFIED CORRECTION;[21] VERIFIED STEPS 17-20;[22] OK TO CIC;[23] APPLIED CIC REPAIR ZEE ANGLE IAW AMM 51-21-91-620-802;[24] VERIFIED JOB IS COMPLETE;[25] VERIFIED STEPS 23 AND 24;[26] JOB COMPLETE AUDIT C/W

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