Service difficulty report · Intercostal · Boeing 737522

Difficulty date
March 28, 2006
Submitted
April 25, 2006
Operation
Air carrier
Aircraft
N929UA
Make and model
Boeing 737522
Aircraft serial
26652
Aircraft time
38,307 hours, 28,401 cycles
Engine
Cfmint CFM563C1
Part
Intercostal
Condition
Cracked
Location
Bs 294-303
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

CRACKS WERE FOUND IN THE INTERCOSTAL BETWEEN FRAME STATIONS 294.5 & 303 NEAR STRINGERS 7L, 11L & 16L. *S/D* REPLACEMENT INTERCOSTAL WEBS INSTALLED PER AAR EA'S-I060133, I060124, I060121 & UA EVA-60168.