What was found
AIRCRAFT IN BASE MAINTENANCE: RED LIGHT FAILS TO ILLUMINATE ON R3 DOOR EPAS BACKUP BATTERY PACK DURING OPERATIONAL TEST. REPLACED BACKUP BATTERY PACK WITH NEW IAW B777 AMM 52-12-24-710-801, OPS CHECK GOOD.
- Difficulty date
- May 3, 2021
- Submitted
- May 7, 2021
- Operation
- Air carrier
- Aircraft
- N732AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31549
- Aircraft time
- 26,336 hours, 2,988 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- BPAS105
- Part serial
- 3132
- 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.