# SDR AALA202010189012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N799AN](https://openairdocs.org/aircraft/N799AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30258
- Aircraft time: 76,204 hours, 9,654 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Battery
- Condition: Inoperative
- Location: R2 Emer Assist
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202010189012

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  ACCOMPLISHING WAKE UP CHECK LIST FOUND PASSENGER ENTRY DOOR 2R EMERGENCY POWER ASSIST SYSTEM PACK GREEN LIGHT OFF.  PERFORMED EMERGENCY POWER ASSIST SYSTEM 9 VOLT BACK UP BATTERY REPLACEMENT ON PASSENGER ENTRY DOOR 2R, PER AMM 52-11-20.

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