# SDR CALA2026091519421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2026
- Submitted: September 15, 2026
- Operation: Air carrier
- Aircraft: [N78005](https://openairdocs.org/aircraft/N78005), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27581
- Aircraft time: 127,422 hours, 13,068 cycles
- Engine: Ge GE9094B
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Battery
- Part number: PC1604
- Condition: Discharged
- Location: R4 Epas
- 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/CALA2026091519421

## Discrepancy

EMERGENCY POWER ASSIST SYSTEM (EPAS) BATTERY,  ELECTRICAL CHARGE CHECK (PED 1, 2, 3, 4) EPAS BATTERY ELECTRICAL CHARGE CHECK,  GREEN LIGHT IN DOOR 4R DOES NOT BLINK NOR TURNS ON BOTH 9V BATTERIES REPLACED ON DOOR 4R EPAS BATTERY PACK IAW AMM 52-11-20-000-806-002.

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