Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 14, 2023
Submitted
August 17, 2023
Operation
Air carrier
Aircraft
N232WN
Make and model
Boeing 7377H4
Aircraft serial
32500
Aircraft time
57,989 hours, 34,674 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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 ON WEB INTERCOSTAL LOCATED FLOOR STRUCTURE BTW BS 328 TO BS 344 LBL 46.5 AT FWD GALLEY AREA 2023-447482<[01] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-24; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24.;[02] REPLACED WEB INTERCOSTAL LOCATED FLOOR STRUCTURE BTW BS 328 TO BS 344 LBL 46.5 AT FWD GALLEY AREA IAW B 737-700 51-40-02 AND DWG 141A5400 SHEET 44 REV - SEE INDIVIDUAL SIGN OFF BELOW.;[03] CORRECTED STEP 2.<BR>REPLACED WEB INTERCOSTAL LOCATED FLOOR STRUCTURE BTW BS 328 TO BS 344 LBL 46.5 AT FWD GALLEY AREA IAW B 737-700 SRM 51-40-02 AND DWG 141A5400 SHEET 44 REV - SEE INDIVIDUAL SIGN OFF BELOW.;[04] REPLACED WEB INTERCOSTAL LOCATED FLOOR STRUCTURE BTW BS 328 TO BS 344 LBL 46.5 AT FWD GALLEY AREA IAW B 737-700 SRM 51-40-02 AND DWG 141A5400 SHEET 44 REV - SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII CERTIFIED

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