Service difficulty report · Shield · Boeing 7378H4

Difficulty date
September 12, 2022
Submitted
October 5, 2022
Operation
Air carrier
Aircraft
N8651A
Make and model
Boeing 7378H4
Aircraft serial
36920
Aircraft time
27,317 hours, 12,717 cycles
Part
Shield
Part number
143A812638
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 BAY SHIELD AFT OF CARGO DOOR HAS CORROSION BS500+10 RBL24 WL156 / [01] EVALUATED CORROSION ON SHIELD BS 500+10 RBL 24 WL 156; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0;[02] VERIFIED CORRECTIVE ACTIONS STEP 1 AND MEASUREMENTS TABLE.;[03] REMOVED FCB SHIELD AFT OF CARGO DOOR BS 492 TO BS 520; RBL 22 TO RBL 25; WL 156 IAW SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW FCB SHIELD BS 492-520; IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0. AND OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION #4;[06] INSTALLED FCB SHIELD; BS 492-520; IAW SRM 51-40-02-0G-0; DWG 143A0080.;[07] VERIFIED CORRECTIVE ACTION 6.

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