SDR SWAA2025030591464

Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date: January 30, 2025
Submitted: March 5, 2025
Operation: Air carrier
Aircraft: N278WN
Make and model: Boeing 7377H4
Aircraft serial: 36441
Aircraft time: 58,438 hours, 35,196 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Cracked
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

CRACK WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BTW BS328 TO BS344 LBL47 AT FWD GALLEY AND LAV 2025-94183<[01] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BTW BS328 TO BS344 LBL47 AT FWD GALLEY AND LAV IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 SHEET 44 REV -. SEE INDIVIDUAL SIGNOFF BELOW;[02] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BTW BS328 TO BS344 LBL47 AT FWD GALLEY AND LAV IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A5400 SHEET 44 REV -. SEE INDIVIDUAL SIGNOFF BELOW

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