What was found
EMERGENCY LIGHTS FLASHING ON AND OFF DURING ENTIRE FLIGHT. UNABLE TO DUPLICATE FLASHING EMERGENCY LIGHTS. REPLACED POWER SUPPLY M1561 AT STA 1362 PER MM. LIGHTS OP CHECKED OKAY.
- Difficulty date
- March 22, 2011
- Submitted
- April 4, 2011
- Operation
- Air carrier
- Aircraft
- N644UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25094
- Aircraft time
- 84,775 hours, 13,571 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 20131A
- Condition
- Malfunctioned
- Location
- Emergency Lights
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.