# SDR CALA2025121912269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2025
- Submitted: December 19, 2025
- Operation: Air carrier
- Aircraft: [N78005](https://openairdocs.org/aircraft/N78005), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27581
- Aircraft time: 124,027 hours, 12,716 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Battery
- Condition: Inoperative
- Location: Epas
- 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/CALA2025121912269

## Discrepancy

EMERGENCY POWER ASSIST SYSTEM (EPAS) RESERVOIR PRESSURE LEVEL CHECK PROCEDURE, R4 DOOR, EPAS BATTERY PACK GREEN TEST LIGHT INOPERATIVE.  REPLACED EPAS 9V BATTERIES AT R4 DOOR IAW AMM 52-11-20-400-806-002. OPS CHECKED GOOD.

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