What was found
AIRCRAFT WAS IN BASE MAINTENANCE: EMERGENCY BATTERY PACK M33407 AT L5 DOOR FAILS CAPACITY CHECK. MAINTENANCE REMOVED AND REPLACED BATTERY PACK M33407 AT L5 DOOR SN 499786 OFF SN 335812 ON IAW B777 AMM 33-51-06 960-802.
- Difficulty date
- February 19, 2024
- Submitted
- February 23, 2024
- Operation
- Air carrier
- Aircraft
- N729AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 33127
- Aircraft time
- 39,811 hours, 4,614 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701001
- 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.