What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER ASSIST SYSTEM LIGHT AT R4 DOOR IS INOPERATIVE. REMOVED AND REPLACED EPAS BATTERY IAW AMM 52-11-20. OPERATIONAL CHECK GOOD.
- Difficulty date
- April 26, 2017
- Submitted
- April 27, 2017
- Operation
- Air carrier
- Aircraft
- N779AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29955
- Aircraft time
- 73,885 hours, 8,705 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Battery
- Part number
- MN1604
- Condition
- Discharged
- Location
- R4 Door
- 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.