Service difficulty report · Shield · Boeing 7377Q8

Difficulty date
March 11, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N7877H
Make and model
Boeing 7377Q8
Aircraft serial
29359
Aircraft time
50,381 hours, 27,028 cycles
Part
Shield
Part number
143A812620
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

CORROSION OF AFT SHIELD AT FWD CARGO BAY BS494 - BS500A RBL24. / [01] FWD CARGO BAY; AFT SHIELD ON UPPER SURFACE CORRODED NO HAVE ENTRIES ALLOWABLE DAMAGE IN SRM; MUST BE REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0 ITEM 9.C.;[02] VERIFIED CORRECTIVE ACTION #1;[03] LOCATED AND DRILLED NEW FCB AFT SHIELD PO# 860330/1 IAW SRM 51-40-05 AND DWG 143A8126 ; ID:0010; REV:A.<BR><BR>ENAMEL AND CIC WILL BE ACCOMPLISHED ON C.C. TTG8Q004EF17;[04] VERIFIED LOCATED AND DRILLED NEW FCB AFT SHIELD PO# 860330/1 IAW SRM 51-40-05 AND DWG 143A8126 ; ID:0010; REV:A.;[05] OK TO INSTALL;[06] INSTALLED AFT SHIELD AT FWD. CARGO BAY BTW BS. 492.4 - 500A IAW SRM 51-40-02. DWG# 143A0080.;[07] RII INSPECTED ACTION 6;[08] INSPECTION COMPLETE

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