- Difficulty date
- November 8, 2022
- Submitted
- November 9, 2022
- Operation
- Air carrier
- Make and model
- Boeing 777222
- Aircraft serial
- 26916
- Aircraft time
- 101,800 hours, 18,248 cycles
- Part
- Battery
- Part number
- D71701100
- Part serial
- 414890
- Condition
- Discharged
- 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.
What was found
EMERGENCY LT BATTERY PACK DEEP CYCLE CHECK FOUND BATTERY PACK M3 3099 DISCHARGE LESS THAN 15 MINUTES. REPLACED M33099 EMERGENCY LT BATTERY PACK, PERFORMED INSTALLATION TEST FOUND NORMAL, REF AMM 33-51-06 -960-802 & AMM 33-51-06-200-801 REV 96.