What was found
STA 2517-2521 RIGHT UPPER LOBE DOUBLER CRACKED. MAJOR REPAIR ACCOMPLISHED. INSTALLED UPPER LOBE DOUBLER MODIFICATION PER COA 851103 TASK CARD 891104011.
- Difficulty date
- February 24, 2013
- Submitted
- April 1, 2013
- Operation
- Air carrier
- Aircraft
- N118UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28811
- Aircraft time
- 56,448 hours, 6,710 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Doubler
- Condition
- Cracked
- Location
- Fuselage
- Stage of operation
- AP
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.