SDR SWAA2022041986125

Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date: March 20, 2022
Submitted: April 19, 2022
Operation: Air carrier
Aircraft: N463WN
Make and model: Boeing 7377H4
Aircraft serial: 32467
Aircraft time: 60,007 hours, 35,725 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Cracked
Location: Fuselage
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

CRACK WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 277 AND BS 294.5 BL0 FWD GALLEY AND LAV 2022-148035 / [01] REPLACED NEW INTERCOSTAL LOC. BETWEEN BS 277 AND BS 294.5 BL0 FWD GALLEY AND LAVATORY IAW B737-700 SRM 51-40-02 AND DWG 141A5400 SHEET 20 REV:-SEE INDIVIDUAL SING OFF BELOW.;[02] REPLACED NEW INTERCOSTAL LOC. BETWEEN BS 277 AND BS 294.5 BL0 FWD GALLEY AND LAVATORY IAW B737-700 SRM 51-40-02 AND DWG 141A5400 SHEET 20 REV:-SEE INDIVIDUAL SING OFF BELOW. RII

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