# SDR HALA20240819039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2024
- Submitted: August 20, 2024
- Operation: Air carrier
- Aircraft: [N478HA](https://openairdocs.org/aircraft/N478HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55123
- Aircraft time: 33,150 hours, 77,119 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Relay
- Condition: Failed
- Location: Emergency Power
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20240819039

## Discrepancy

AFTER EPCU DOWNLOAD FOUND EMERGENCY POWER RELAY FAULT ( 54 EPR FAILED CLOSED.).  REMOVED AND REPLACED EMERGENCY DC POWER RELAY PER AMM 24-34-05. FUNCTIONAL TEST GOOD PER AMM 24-24-00. OK FOR SERVICE

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