What was found
AIRCRAFT IN BASE MAINTENANCE: MAIN CABIN EMERGENCY BATTERY (M33404) INOPERATIVE. REMOVED AND REPLACED MAIN CABIN EMERGENCY BATTERY PACK (M33404) AND PERFORMED OPERATIONAL TEST PER B777 AMM 33-51-06-960-802.
- Difficulty date
- August 8, 2023
- Submitted
- August 10, 2023
- Operation
- Air carrier
- Aircraft
- N766AN
- Make and model
- Boeing 777223
- Aircraft serial
- 32880
- Aircraft time
- 77,860 hours, 9,844 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- ADD71701100
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- 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.