Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
October 23, 2019
Submitted
March 18, 2022
Operation
Air carrier
Aircraft
N908WN
Make and model
Boeing 7377H4
Aircraft serial
36620
Aircraft time
40,995 hours, 24,452 cycles
Part
Intercostal
Condition
Cracked
Location
Cabin Floor
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

FORWARD WET AREA FLOOR INTERCOSTAL STA 312-328 RBL 31 IS CRACKED ON UPPER FLANGE AT FORWARD FLOOR BOARD HOLE / REMOVED AND REPLACED INTER COSTAL @ STA 312-328 RBL 31 IAW BOEING DWG #141A5400 AND 737 SRM 51-40-02

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