What was found
ODOR OF BURNING IN MAIN CABIN. UTILITY BUSSES TURNED OFF AND ODOR DISSIPATED. CREW HAVE LOCATED A LIGHT BALLAST THAT MAY HAVE BEEN THE PROBLEM. FOUND UD ROW 18 CEILING LIGHT SOCKET HAS ODOR. DISCONNECTED BALLAST FROM SIDE WALL. OK.
- Difficulty date
- February 1, 2008
- Submitted
- February 5, 2008
- Operation
- Air carrier
- Aircraft
- N173UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24380
- Aircraft time
- 69,453 hours, 7,900 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2120 · Air Distribution System
- Part
- Ballast
- Part number
- 1317
- Condition
- Odor
- Location
- Cabin
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- W, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.