What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY BATTERY PACK POWER SUPPLY AT L1 FAILED BATTERY PACK FUNCTIONAL CHECK. MAINTENACE REPLACED EMERGENCY BATTERY PACK POWER SUPPLY AT L1 IAW AMM 33-51-06.
- Difficulty date
- April 2, 2024
- Submitted
- April 3, 2024
- Operation
- Air carrier
- Aircraft
- N762AN
- Make and model
- Boeing 777223
- Aircraft serial
- 31479
- Aircraft time
- 85,214 hours, 10,542 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Inoperative
- 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.