Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
December 10, 2025
Submitted
January 14, 2026
Operation
Air carrier
Aircraft
N919WN
Make and model
Boeing 7377H4
Aircraft serial
36625
Aircraft time
56,768 hours, 34,183 cycles
Part
Floor Support
Condition
Cracked
Location
Zone 200
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

CRACKED INTERCOSTAL AT FWD WET AREA BS 284, BL 0, WL 208. THE INTERCOSTAL WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04-1A-1. REMOVED AND REPLACED THE INTERCOSTAL BS 277-294 BL 0 WL 208 IAW SRM 51-40-02-0G-0 AND DWG 141A5400 REV-.

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