Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 7, 2022
Submitted
August 4, 2022
Operation
Air carrier
Aircraft
N487WN
Make and model
Boeing 7377H4
Aircraft serial
33854
Aircraft time
60,194 hours, 35,692 cycles
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 BS 328 TO BS 344 AND LBL 46 FWD GALLEY AND LAV 2022-355189 / [01] REPLACED INTERCOSTAL AND FASTENERS ON FLOOR STRUCTURE LOCATED BS 328 TO BS 344 AND LBL 46 FWD GALLEY AND LAV. I.A.W. B737-700 SRM 51-40-02; 51-10-02 ITEM 9. AND DWG# 141A5400 SHEET 44 REV.-;[02] CORRECTED STEP 1. REPLACED INTERCOSTAL AND FASTENERS ON FLOOR STRUCTURE LOCATED BS 328 TO BS 344 AND LBL 46 FWD GALLEY AND LAV. I.A.W. B737-700 SRM 51-40-02; 51-10-02 ITEM 9. AND DWG# 141A5400 SHEET 44 REV.- SEE INDIVIDUAL SIGN-OFF BELOW.;[03] REPLACED INTERCOSTAL AND FASTENERS ON FLOOR STRUCTURE LOCATED BS 328 TO BS 344 AND LBL 46 FWD GALLEY AND LAV. I.A.W. B737-700 SRM 51-40-02; 51-10-02 ITEM 9. AND DWG# 141A5400 SHEET 44 REV.-; RII SEE INDIVIDUAL SIGN-OFF BELOW.

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