What was found
AIRCRAFT WAS IN BASE MAINTENANCE: EMERGENCY BATTERY PACK (M33424) FAILED DEEP CYCLE TEST AT L1 ENTRY DOOR. MAINTENANCE REPLACED EMERGENCY BATTERY PACK ASSY AT L1 (M33424) ENTRY DOOR IAW B777-2 AMM 33-51-06.
- Difficulty date
- November 16, 2023
- Submitted
- November 20, 2023
- Operation
- Air carrier
- Aircraft
- N783AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30004
- Aircraft time
- 911,720 hours, 11,362 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701001
- Condition
- No Test
- Location
- Zone 200 - Fuse
- 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.