Service difficulty report · Intercostal · Boeing 737401

Difficulty date
August 13, 2011
Submitted
August 26, 2011
Operation
Air carrier
Aircraft
N424US
Make and model
Boeing 737401
Aircraft serial
23991
Aircraft time
59,139 hours, 39,615 cycles
Part
Intercostal
Part number
6517684629
Condition
Cracked
Location
Fuselage
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

UFRSI CHECK - CRACK IN INTERCOSTAL BETWEEN BS 294.5 TO BS 303.9, S8L. REPLACED INTERCOSTAL BETWEEN BS 294.5 TO BS 303.9, S8L IAW B737 SRM 51-40-02.