What was found
EMERGENCY POWER ASSIST SYSTEM BATTERY ON THE R4 DOOR FAILED TO TEST. REMOVED AND REPLACED EPAS BATTERY ASSEMBLY IAW AMM 52-11-20. OPERATIONAL CHECKED GOOD.
- Difficulty date
- May 14, 2017
- Submitted
- May 18, 2017
- Operation
- Air carrier
- Aircraft
- N791AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30254
- Aircraft time
- 67,206 hours, 8,612 cycles
- System (JASC)
- 5240 · Service Doors
- Part
- Battery
- Part number
- 285W0955102
- Part serial
- D01594
- Condition
- No Test
- Location
- R4 Door Assist
- Part time
- 21,017 hours, 2,392 cycles
- 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.