What was found
ELECTRICAL SMELL AND SMOKE IN CABIN CONCENTRATED BETWEEN GALLEY 402 AND LAV 111-112. LEFT AND RIGHT UTILITY BUSES TRIPPED. SMOKE REMOVAL PROCEDURE, CLEARED CABIN. *S/D* UPPER NR 2 RECIRCULATION FAN BEARING FAILURE. REPLACED FAN.
- Difficulty date
- January 29, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Engine
- Pwa PW4056
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Fan
- Part number
- 732591E
- Condition
- Failed
- Location
- Cabin
- Component
- Sundstrand · 732591E
- Stage of operation
- NR
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.