# SDR CALA2025071606625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2025
- Submitted: July 16, 2025
- Operation: Air carrier
- Aircraft: [N78013](https://openairdocs.org/aircraft/N78013), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29861
- Aircraft time: 120,605 hours, 12,501 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Battery Pack
- Part number: 285W0955102
- Part serial: D03180
- Condition: Inoperative
- Location: Zone 800 Epas
- Part time: 787,942 hours, 716,286 cycles
- 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/CALA2025071606625

## Discrepancy

DOOR 2R EMERGENCY POWER ASSIST SYSTEM BATTERY INOP. REMOVED AND REPLACED DR 2R EPAS BATTERY OPS CHECK GOOD REF. AMM 52-11-20.

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