SDR USAA070432

Service difficulty report · Intercostal · Boeing 737401

Difficulty date
June 6, 2007
Submitted
June 6, 2007
Operation
Air carrier
Aircraft
N420US
Make and model
Boeing 737401
Aircraft serial
23987
Aircraft time
50,436 hours, 50,436 cycles
Part
Intercostal
Condition
Cracked
Location
Bs 301 S10l
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

RADIUS OF INTERCOSTAL TO SKIN ATTACH ANGLE JUST ABOVE S10L BS 301 HAS CRACK. FABRICATED NEW WEB & INSTALLED PER DWG 65-17684, SRM 51-10-02, DEFECT SIZE: 2 INCHES.