Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 10, 2025
Submitted
August 7, 2025
Operation
Air carrier
Aircraft
N912WN
Make and model
Boeing 7377H4
Aircraft serial
36621
Aircraft time
57,027 hours, 34,448 cycles
Part
Shield
Condition
Corroded
Location
Zone 100
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

CORROSION ON AFT SHIELD AT FCB BS500 -BS500A RBL23 WL156. REMOVED AND REPLACED AFT SHIELD AT FCB BS500-BS500A RBL23 IAW B737-7 SRM 51-40-02-0G-0 AND DWG: 143A8126 ID:0010 REV: A.

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