# SDR CALA2017022400471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2017
- Submitted: February 25, 2017
- Operation: Air carrier
- Aircraft: [N77006](https://openairdocs.org/aircraft/N77006), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29476
- Aircraft time: 89,410 hours, 9,002 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Battery Pack
- Part number: 285W0955102
- Part serial: 1969
- Condition: Discharged
- Location: R4 Door
- Part time: 56,539 hours, 5,217 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/CALA2017022400471

## Discrepancy

ON CHECK FOUND R4 EPAS BATTERY ELECTRICAL CHARGE OPERATIONAL CHECK FAILED. CHANGED R4 EPAS BATTERY PACK IAW AMM 52-11-20

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