What was found
EMERGENCY EXIT LIGHTS ILLUMINATE IN FLIGHT CONSTANTLY ON LEFT SIDE OF AIRCRAFT FROM DOORS. REPLACED POWER SUPPLY AT L3 DOOR M6009 PER AMM.
- Difficulty date
- February 27, 2011
- Submitted
- March 17, 2011
- Operation
- Air carrier
- Aircraft
- N178UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24385
- Aircraft time
- 85,444 hours, 10,391 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 20131A
- Condition
- Malfunctioned
- Location
- Emergency Lights
- 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.