Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 6, 2026
Submitted
March 31, 2026
Operation
Air carrier
Aircraft
N249WN
Make and model
Boeing 7377H4
Aircraft serial
34951
Aircraft time
64,100 hours, 38,781 cycles
Part
Support
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

FCB; CORROSION ON LH AFT BODY TO SIDE WALL SUPPORT STA 507-500D LBL22 WL156. REMOVED AND REPLACED FCB FLOOR TO SIDEWALL SUPPORT AT BS 395 - 500D, LBL 22, WL 156 IAW SRM 51-40-05 AND DWG 143A7501 0112, REV A.

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