What was found
MAIN DECK FLOORBEAM UPPER CHORD HAS CORROSION, BS 900, LBL 20 - LBL 40. MAJOR REPAIR ACCOMPLISHED: INSTALLED REPAIR.
- Difficulty date
- December 18, 2009
- Submitted
- December 18, 2009
- Operation
- Air carrier
- Aircraft
- N171UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24322
- Aircraft time
- 76,508 hours, 9,128 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Bs 900 Lbl 20-40
- 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.