What was found
AIRCRAFT IN BASE MAINTENANCE: L5 EMERGENCY BATTERY M33407 FAILS TO HOLD CHARGE. REMOVED AND REPLACED BATTERY PACK AT L5 DOOR M33407 PER AMM 33-51-06-960-802.
- Difficulty date
- November 3, 2022
- Submitted
- November 7, 2022
- Operation
- Air carrier
- Aircraft
- N736AT
- Make and model
- Boeing 777323
- Aircraft serial
- 33538
- Aircraft time
- 27,037 hours, 3,130 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71701100
- Part serial
- 411939
- Condition
- Failed
- 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.