What was found
DURING A PS CHECK, FOUND THE R4 DOOR EPAS BACK-UP BATTERY INOPERATIVE. REPLACED THE EPAS BACK-UP BATTERY IAW AMM 52-11-20-400-806-002. FOLLOWED MONITOR AND CHALLENGE PROCEDURE IAW 10151. OPS OK.
- Difficulty date
- December 14, 2018
- Submitted
- December 18, 2018
- Operation
- Air carrier
- Aircraft
- N790AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30251
- Aircraft time
- 72,847 hours, 9,291 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- R4 Door Epas
- 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.