Service difficulty report · Shield · Boeing 7377H4

Difficulty date
November 9, 2024
Submitted
December 16, 2024
Operation
Air carrier
Aircraft
N277WN
Make and model
Boeing 7377H4
Aircraft serial
32531
Aircraft time
57,239 hours, 34,524 cycles
Part
Shield
Condition
Corroded
Location
Zn 100 Fus Lower
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 FWD. CARGO COMPARTMENT; AFT. SHIELD RBL21 BS490+2 TO BS500A WL 156 (MARKED).<[01] REMOVED AND REPLACED AT FCB; AFT SHIELD LOCATED BETWEEN BS.492.4 - BS.500A RBL.21 WL.156 IAW B-737-700 SRM 51-40-02 DWG#143A0080 ID:0023 REV: -;[02] CORRECTIVE ACTION COMPLETED.

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