What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTS POWER SUPPLY M33424, ABOVE L1 DOOR, BATTERY PACK INOPERATIVE. REPLACED EMERGENCY LIGHTING BATTERY PACK POWER SUPPLY ASSEMBLY PER AMM 33-51-06.
- Difficulty date
- January 6, 2023
- Submitted
- January 9, 2023
- Operation
- Air carrier
- Aircraft
- N726AN
- Make and model
- Boeing 777323
- Aircraft serial
- 31550
- Aircraft time
- 37,091 hours, 4,311 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- No Test
- Location
- Emergency Lights
- 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.