What was found
R4 DOOR BATTERY FOR THE EMERGENCY POWER ASSIST SYSTEM WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTERY IAW AMM 52-11-20.
- Difficulty date
- March 23, 2019
- Submitted
- March 25, 2019
- Operation
- Air carrier
- Aircraft
- N788AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30011
- Aircraft time
- 71,550 hours, 9,381 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Battery
- Part number
- 285W0955102
- Condition
- No Test
- Location
- R4 Door Assist
- 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.