What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT POWER SUPPLY BATTERY PACK M33409 AT DOOR R4 IS DISCHARGED. REPLACED BATTERY PACK WITH NEW IAW AMM 33-51-06-960-803.
- Difficulty date
- August 28, 2020
- Submitted
- August 31, 2020
- Operation
- Air carrier
- Aircraft
- N773AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29583
- Aircraft time
- 84,616 hours, 10,578 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Part serial
- 41717
- Condition
- Discharged
- 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.