What was found
SMOKE & ELECTRICAL BURNING ODOR IN CABIN. THE LOWER RT RECIRCULATION FAN MOTOR BEARINGS FAILED.THE RECIRCULATION FAN WAS REPLACED.
- Difficulty date
- November 25, 2003
- Submitted
- December 9, 2003
- Operation
- Air carrier
- Aircraft
- N122UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29168
- Aircraft time
- 17,830 hours, 2,287 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Fan
- Condition
- Failed
- Location
- Cabin
- Stage of operation
- AP
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.