What was found
AIRCRAFT IN BASE MAINTENANCE: L4 EMERGENCY BATTERY M33400 FAILS TO HOLD CHARGE. REMOVED AND REPLACED EMERGENCY BATTERY PACK M33400 PER AMM 33-51-06-960-802.
- Difficulty date
- May 20, 2022
- Submitted
- May 26, 2022
- Operation
- Air carrier
- Aircraft
- N735AT
- Make and model
- Boeing 777323
- Aircraft serial
- 32439
- Aircraft time
- 25,962 hours, 3,010 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701
- Part serial
- 410072
- Condition
- Discharged
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.