Service difficulty report · Shield · Boeing 7377H4

Difficulty date
June 9, 2021
Submitted
July 19, 2021
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
54,253 hours, 32,244 cycles
Part
Shield
Condition
Corroded
Location
Bs 437
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 ON FWD SHIELD AT FWD CARGO BAY BS437 RBL23 WL156. ; / [01] EVALUATED CORROSION ON SHIELD; FOUND TO BE OUT LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED CORROSION ON SHIELD; FOUND TO BE OUT LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED SHIELD BS 420-440; RBL 23 WL 156 PER SRM 51-40-02-0G-0.; [04] LOCATED AND DRILLED NEW FWD SHIELD AT BS 420-440 RBL23 WL156 IAW SRM 51-40-05-0G-0 AND DWG 143A0080; [05] VERIFIED LOCATED AND DRILLED NEW FWD SHIELD AT BS 420-440 RBL23 WL156 IAW SRM 51-40-05-0G-0 AND DWG 143A0080; [06] OK TO INSTALL FWD CARGO BAY FWD SHIELD BS 420-440; RBL 23; WL 156.; [07] OK TO INSTALL SHIELD BS 420-440 RBL23; [08] INSTALLED FWD CARGO BAY FWD SHIELD BS 420-440; RBL 23; WL 156 IAW SRM 51-40-02-0G-0; DWG# 143A0080.; [09] VERIFIED INSTALL OF THE FWD CARGO BAY FWD SHIELD BS 420-440; RBL 23; WL 156 IAW SRM 51-40-02-0G-0; DWG# 143A0080; [10] VERIFIED TASK COMPLETE

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