- Difficulty date
- December 17, 2009
- Submitted
- December 18, 2009
- Operation
- Air carrier
- Aircraft
- N405US
- Make and model
- Boeing 737401
- Aircraft serial
- 23885
- Aircraft time
- 57,549 hours, 39,296 cycles
- Part
- Stiffener
- 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
CLT - C5 - MAJOR REPAIR - CRACK ON BS 663.75 PRESSURE BULKHEAD STIFFENER AT LBL 6.15 OF CENTER WING REAR SPAR LOWER CHORD. REPAIRED BS 663.75 PRESSURE BULKHEAD STIFFENER AT LBL 6.15 OF CENTER WING REAR SPAR LOWER CHORD IAW TYPICAL REPAIR 57-10-03B.