What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BATTERY PACK M33405 AT L3 DOOR FAILS TO ILLUMINATE EMERGENCY LIGHTS. REPLACED EMERGENCY POWER SUPPLY BATTERY PACK,
- Difficulty date
- July 27, 2021
- Submitted
- July 28, 2021
- Operation
- Air carrier
- Aircraft
- N761AJ
- Make and model
- Boeing 777223
- Aircraft serial
- 31478
- Aircraft time
- 72,615 hours, 8,992 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.