What was found
BS 520 FLOORBEAM UPPER CHORD EXCESSIVELY CORRODED. BLENDED BEYOND LIMITS.
- Difficulty date
- October 3, 2001
- Submitted
- October 17, 2001
- Operation
- Air carrier
- Aircraft
- N181UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25278
- Aircraft time
- 46,692 hours, 5,756 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- 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.