What was found
EMERGENCY BATTERY PACK FAILED TO ILLUMINATE EMERGENCY LIGHTS.
- Difficulty date
- January 21, 2021
- Submitted
- January 21, 2021
- Operation
- General aviation
- Aircraft
- N773AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29583
- Aircraft time
- 84,618 hours, 10,579 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Part serial
- 234483
- Condition
- Failed
- 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.