What was found
PIT - FPBH - MAJOR REPAIR - CRACK ON VERTICAL STIFFENER WEB AT BS 178, WL 188, LBL 17. REPAIRED VERTICAL STIFFENER WEB AT BS 178, WL 188, LBL 17 IAW B737 SRM 53-10-08 REPAIR 12.
- Difficulty date
- October 23, 2009
- Submitted
- October 26, 2009
- Operation
- Air carrier
- Aircraft
- N420US
- Make and model
- Boeing 737401
- Aircraft serial
- 23987
- Aircraft time
- 56,663 hours, 38,371 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Bulkhead
- Condition
- Cracked
- Location
- Fuselage
- Stage of operation
- IN
- How discovered
- E
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.