Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
August 8, 2023
Submitted
September 5, 2023
Operation
Air carrier
Aircraft
N903WN
Make and model
Boeing 7377H4
Aircraft serial
32457
Aircraft time
51,287 hours, 30,971 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 INTERCOSTAL MACHINE LOC BETWEEN BS 344 TO BS 360 AND BL 0 FWD GALLEY AREA 2023-491785<[01] REPLACED INTERCOSTAL AND FASTENERS LOC BETWEEN BS 344 TO BS 360 AND BL 0 FWD GALLEY AREA. IAW B737-700 SRM 51-40-02-0G-0 DWG 141A5400 SHEET 32 REV- SRM 51-10-02-0G-0 ITEM 9.SEE INDIVIDUAL SIGN OFFS BELOW.;[02] REPLACED INTERCOSTAL AND FASTENERS LOC BETWEEN BS 344 TO BS 360 AND BL 0 FWD GALLEY AREA. IAW B737-700 SRM 51-40-02-0G-0 DWG 141A5400 SHEET 32 REV- SRM 51-10-02-0G-0 ITEM 9.SEE INDIVIDUAL SIGN OFFS BELOW.AS RII

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