What was found
SMOKE ODOR IN CABIN BETWEEN ROWS 37+44. TURNED OFF UPPER RECIRC FAN AND SMELL WENT AWAY. REPLACED UPPER RECIRC FAN 1 PER MM 21-25-01. OPS NORMAL & CIRCUIT BREAKER STAYS IN. AIRCRAFT OK FOR SERVICE.
- Difficulty date
- June 25, 2007
- Submitted
- July 20, 2007
- Operation
- Air carrier
- Aircraft
- N187UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26877
- Aircraft time
- 58,575 hours, 7,032 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Fan
- Part number
- 6054578
- Condition
- Malfunctioned
- Location
- Cabin
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.