Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
October 18, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N231WN
Make and model
Boeing 7377H4
Aircraft serial
32499
Aircraft time
59,061 hours, 35,386 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

FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL UPPER CAP CRACKED @ FASTENER'S HLOE RBL-12 BETWEEN STA 344 AND STA 360 MKD DOT<[01] REMOVED AND REPLACED FLOOR SUPPORT INTERCOSTAL AT FWD CABIN WET AREA BTW STA 344 AND STA 360; RBL 12 AS PER B737-700 SRM 51-40-02-0G-0; DWG# 141A5400.

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