What was found
AIRCRAFT WAS IN BASE MAINTENANCE. EMERGENCY EXIT LIGHTS POWER SUPPLY M33409 AT THE R4 DOOR FAILED TEST. REMOVED AND REPLACED POWER SUPPLY PER AMM 33-51-06. OPERATIONAL CHECK GOOD.
- Difficulty date
- July 19, 2017
- Submitted
- July 25, 2017
- Operation
- Air carrier
- Aircraft
- N780AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29956
- Aircraft time
- 68,027 hours, 8,586 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 18177
- Condition
- Inoperative
- Location
- Cabin
- Part time
- 52,055 hours, 12,500 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.