Service difficulty report · Shield · Boeing 7377H4

Difficulty date
June 23, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
39,596 hours, 24,067 cycles
Part
Shield
Condition
Corroded
Location
Bs 420-440
Stage of operation
IN
How discovered
V
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

BS 420-440 RBL24.5 WL157 FLOOR TO SIDEWALL SHIELD IS CORRODED. / [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 CORROSION TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE PER SRM. REPLACE PER SRM 51-10-02-0G-0; [03] REMOVED FCB FORWARD SHIELD AT BS420-BS440; RBL24.5; WL 157 PER SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED FCB SHIELD BS420 -BS440; RBL24.5; WL157 PER SRM 51-40-050G-0 AND DWG 143A0080; [05] VERIFIED LOCATED AND DRILLED FCB SHIELD BS420 -BS440; RBL24.5; WL157 PER SRM 51-40-050G-0 AND DWG 143A0080; [06] INSPECTED; OK TO INSTALL; [07] INSTALLED FCB SHIELD BS420 -BS440; RBL24.5; WL157 PER SRM 51-40-02-0G-0 AND DWG 143A0080; [08] RII INSPECTED SHIELD INSTALLATION; [09] COMPLETE

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