Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
September 1, 2023
Submitted
October 12, 2023
Operation
Air carrier
Aircraft
N8311Q
Make and model
Boeing 7378H4
Aircraft serial
38808
Aircraft time
37,275 hours, 17,282 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 BTW BS 344 TO BS 360 LBL 12 AT FWD GALLEY AREA EXACTLY LOCATED BTW BS 312 TO BS 328 LBL 47 AT FWD GALLEY AREA 2023-549985<[01] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BTW BS 312 TO BS 328 LBL 47 AT FWD GALLEY AREA IAW B737-800 SRM 51-40-02 AND DWG 141A5400 SHEET 26 REV -. SEE INDIVIDUAL SIGN OFF BELOW;[02] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BTW BS 312 TO BS 328 LBL 47 AT FWD GALLEY AREA IAW B737-800 SRM 51-40-02 AND DWG 141A5400 SHEET 26 REV -. SEE INDIVIDUAL SIGN OFF BELOW. RII.

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