Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 4, 2022
Submitted
July 11, 2022
Operation
Air carrier
Aircraft
N482WN
Make and model
Boeing 7377H4
Aircraft serial
29852
Aircraft time
60,505 hours, 36,002 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 BETWEEN BS 328 AND BS 344 LBL 46 WL 208.1 FWD GALLEY AND LAV 2022-305789 / [01] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 02-FEB-23; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 02-FEB-23.;[02] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 328 AND BS 344 LBL 46 WL 208.1 FWD GALLEY MATERIAL USED 7075-T0-0.040 P.O. 2021-234318 CONVERTED TO 7075-T6 I.A.W B737-700 SRM B737-700 51-40-02 AND DWG 141A5410 REV U.;[03] STEP 2 VERIFIED AND CORRECTIVE ACTION COMPLETED ITEM RII : REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS 328 AND BS 344 LBL 46 WL 208.1 FWD GALLEY MATERIAL USED 7075-T0-0.040 P.O. 2021-234318 CONVERTED TO 7075-T6 I.A.W B737-700 SRM B737-700 51-40-02 AND DWG 141A5410 REV U.

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