SDR SWAA2020102220897

Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date: September 23, 2020
Submitted: October 22, 2020
Operation: Air carrier
Aircraft: N431WN
Make and model: Boeing 7377H4
Aircraft serial: 29845
Aircraft time: 61,876 hours, 36,311 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Cracked
Location: Bs 312-328
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 BS 312 TO BS 328 AT LEVEL RBL 32 FWD GALLEY AND LAV. REPLACED WEB INTERCOSTAL FLOOR STRUCTURE LOCATED BS 312 TO BS 328 AT LEVEL RBL 32 FWD GALLEY AND LAV, IAW B737-700 SRM 51-40-02 AND DWG 141A5400 SHEET 39 REV.

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