# SDR CALA2025032103067

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2025
- Submitted: March 21, 2025
- Operation: Air carrier
- Aircraft: [N78002](https://openairdocs.org/aircraft/N78002), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27578
- Aircraft time: 119,151 hours, 12,502 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Battery
- Condition: Discharged
- 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/CALA2025032103067

## Discrepancy

EMERGENCY POWER ASSIST SYSTEM (EPAS) 9 VOLT BACK-UP BATTERY INSTALLATION BACKUP 9-VOLT BATTERY INSTALLATION - FOUND RED WIRE BROKEN DURING EPAS OPERATIONAL CHECK. AMBER LIGHT WILL NOT ILLUMINATE. REPLACED SPLICE CONNECTION REF AMM 20-30-12 PG 546.

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