What was found
AIRCRAFT NOT GROUNDED - L3 DOOR, BATTERY PACK FAILED CAPACITY CHECK AT EMERGENCY POWER SUPPLY UNIT (EPSU) M33400. REMOVED AND REPLACED BATTERY PACK FOR L3 DOOR EPSU M33400 PER AMM 33-51-06. TEST PASSED, OKAY FOR SERVICE.
- Difficulty date
- July 10, 2020
- Submitted
- July 13, 2020
- Operation
- Air carrier
- Aircraft
- N774AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29581
- Aircraft time
- 84,887 hours, 10,432 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Part serial
- 164235
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.