Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
April 21, 2025
Submitted
May 29, 2025
Operation
Air carrier
Aircraft
N291WN
Make and model
Boeing 7377H4
Aircraft serial
32539
Aircraft time
58,271 hours, 34,957 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 200
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 STA312 TO STA328 AND RBL31 AT FWD GALLEY AREA 2025-274268 <[01]. REPLACED INTERCOSTAL FLOOR STRUCTURE AND FASTENERS LOCATED STA 312 TO STA 328 AND RBL 31 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG:141A5400 SHEET: 39REV - ; SEE INDIVIDUAL SIGNOFFS BELOW.; [02] REPLACED INTERCOSTAL FLOOR STRUCTURE AND FASTENERS LOCATED STA 312 TO STA 328 AND RBL 31 AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG:141A5400 SHEET: 39REV - ; SEE INDIVIDUAL SIGNOFFS BELOW.

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