Service difficulty report · Shield · Boeing 7378H4

Difficulty date
March 16, 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
Shield
Part number
146A812712
Condition
Corroded
Location
Aft 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

DOT#32-186 AFT CARGO COMPARTMENT FWD SHILED CORRODED STA 767 TO 787 RBL 22 WL 156 / [01] EVALUATED ALLOWABLE LIMITS: 100 % MATERIAL LOSS FOUND OUT OF LIMITS IAW SRM 53-60-15-1A-1;[02] VERIFED STEP 1 IS COMPLETE;[03] VERIFIED STEP 1;[04] REMOVED DAMAGE SIDE SHIELD IAW SRM 51-40-02-0G-0;[05] VERIFIED STEP 4 IS COMPLETE;[06] VERIFIED STEP 5;[07] VERIFY NEW SHIELD P/N 146A8127-12 ATAG WN14359 IAW BOEING DWG 146A0081 REV A;[08] VERIFIED STEP 7 IS COMPLETE;[09] VERIFIED STEPS 7 AND 8;[10] FABRICATED NEW FWD SHIELD IAW BOEING DWG 146A0081 REV A;[11] VERIFIED STEP 10 IS COMPLETE;[12] VERIFIED STEPS 10 AND 11;[13] OK GIVEN TO INSTALL SIDE SHIELD;[14] INSTALLED FWD SHIELD AFT PIT IAW BOEING DWG 146A0081 REV A APPLIED CIC TO TOP OF SHIELD AND BOTTOM SIDE IAW AMM 51-21-91;[15] COMPLIED WITH;[16] VERIFIED STEPS 14-15

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