Service difficulty report · Shield · Boeing 7377H4

Difficulty date
August 9, 2025
Submitted
September 8, 2025
Operation
Air carrier
Aircraft
N906WN
Make and model
Boeing 7377H4
Aircraft serial
36887
Aircraft time
57,218 hours, 33,367 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

MULTIPLE SPOTS OF CORROSION ON FCB AFT SHIELD FROM BS492+4 TO BS500A RBL24 WL156.<[01] REMOVED AND REPLACED FCB AFT SHIELD. BS 494 TO BS500A RBL24 WL 156 IAW SRM 51-40-02 AND DWG 143A0080.

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