What was found
EMERGENCY POWER SUPPLY M33401 BATTERY FOUND MALFUNCTION, EMERGENCY LIG HT POWER SUPPLY M33401 BATTERY PACK REPLACED AND OPERATIONAL TES T CARRIED OUT FOUND NORMAL, AS PER AMM 33-51-06-960-802 REV 92.
- Difficulty date
- July 12, 2021
- Submitted
- July 14, 2021
- Operation
- Air carrier
- Aircraft
- N76010
- Make and model
- Boeing 777224
- Aircraft serial
- 29480
- Aircraft time
- 105,585 hours, 10,667 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71701100
- Part serial
- 220456
- Condition
- No Test
- 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.