Service difficulty report · Shield · Boeing 7378H4

Difficulty date
February 17, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N8681M
Make and model
Boeing 7378H4
Aircraft serial
36904
Aircraft time
20,561 hours, 9,510 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

CORROSION FWD CARGO BAY SHIELD AFT OF THE DOOR BS 500+18 RBL25 WL156 / [01] EVALUATED CORROSION ON SHIELD BS 500+18 RBL 25 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 ACTION 1. OUT OF LIMITS;[03] REMOVED SHIELD AFT OF THE DOOR R/H BS493 TO BS500A RBL25 WL156 PER SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW FCB SHEID AFT OF DOOR; BS493-500A; RBL25; IAW SRM 51-40-05-0G-0. AND OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION #4; OK TO INSTALL;[06] INSTALLED FCB AFT OF DOOR SHIELD; BS 493-500A; RBL 25; IAW SSRM 51-40-02-0G-0; DWG 143A0080;[07] TYPED SSRM BY MISTAKE; SHOULD BE SRM 51-40-02-0G-0;;[08] VERIFIED CORRECTIVE ACTION #7

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