# SDR AALA20170612007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2017
- Submitted: June 13, 2017
- Operation: Air carrier
- Aircraft: [N772AN](https://openairdocs.org/aircraft/N772AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29580
- Aircraft time: 74,146 hours, 9,425 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Battery
- Part number: 285W0955102
- Part serial: D02379
- Condition: Inoperative
- Location: Epas System
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170612007

## Discrepancy

DURING A PS CHECK,  FOUND EPAS SYSTEM AT THE R4 DOOR WAS INOPERATIVE.  REMOVED AND REPLACED EMERGENCY POWER ASSIST SYSTEM  IAW AMM 52-11-20. GOOD FOR SERVICE.

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