# SDR JIKA2021100401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2021
- Submitted: October 8, 2021
- Operation: Air carrier
- Aircraft: [N266AS](https://openairdocs.org/aircraft/N266AS), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120188
- Aircraft time: 42,956 hours, 45,430 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Relay
- Part number: M835366
- Condition: Blown
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JIKA2021100401

## Discrepancy

AFTER TAKEOFF FROM KALW, EMERGENCY BUS OFF ANNUNCIATOR ILLUMINATED. ATC ESCALATED TO AN EMERGENCY CATEGORY AND DISPATCHED THE ARFF.  AIRCRAFT SAFELY LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED RELAY K0131, K0429 AND K0022 PER EMB 120. OPERATIONAL CHECK GOOD.  AIRCRAFT OPERATIONAL CHECK FLOWN SATISFACTORY.

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