What was found
AFT LEFT EMERGENCY POWER SUPPLY BATTERY (M33407) INOP. REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY BATTERY PACK AT THE L4 DOOR IAW B777 AMM 33-51-06-960-802. OPS CHK GOOD.
- Difficulty date
- May 8, 2025
- Submitted
- May 12, 2025
- Operation
- Air carrier
- Aircraft
- N78008
- Make and model
- Boeing 777224
- Aircraft serial
- 29478
- Aircraft time
- 120,199 hours, 12,436 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Charger
- Part number
- ADD71701100
- Condition
- Inoperative
- Location
- Zone 200
- 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.