Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 31, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Shield
Condition
Corroded
Location
Bs 420-440
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 BS420-440 RBL24 WL156. ; / [01] EVALUATED CORROSION; 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 ENTRY 1.; [03] REMOVED FCB FWD SHIELD BS. 420 - 440; RBL24; WL 156 PER SRM 51-40-02-0G-0.; [04] LOCATED AND DRILLED NEW SHIELD PER SRM 51-40-05 AND DWG 143A0080; [05] VERIFIED LOCATED AND DRILLED NEW SHIELD PER SRM 51-40-05 AND DWG 143A0080; [06] OK TO INSTALL; [07] VERIFIED OK TO INSTALL; [08] INSTALLED FWD SHIELD AT FWD CARGO BAY BS420_440; RBL24 WL156 IAW SRM 51-40-02 AND DWG 143A0080 ID:0019 AND 143A8126 ID:0021; [09] VERIFIED CORRECTIVE ACTION 8; [10] VERIFIED JOB COMPLETED

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