What was found
FOUND L3 DOOR EMERGENCY BATTERY (M33406) LOW CAPACITY REFER HAEC O NON-ROUTINE NO.9499646. SPEC NO.B77 7-33-3-7019. REPLACE L3 DOOR EMERGENCY BATTERY (M334 06) BATTERY PACK AND TEST LT NORMAL.
- Difficulty date
- December 4, 2022
- Submitted
- December 5, 2022
- Operation
- Air carrier
- Aircraft
- N77012
- Make and model
- Boeing 777224
- Aircraft serial
- 29860
- Aircraft time
- 107,636 hours, 10,864 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Discharged
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.