# SDR HNAA2010012200016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2010
- Submitted: January 27, 2010
- Operation: Air carrier
- Aircraft: N937HA
- Make and model: Dhav DHC8102
- Aircraft serial: 148
- Aircraft time: 52,646 hours, 58,638 cycles
- Engine: Pwa PW120A
- System (JASC): [2422 · AC Inverter](https://openairdocs.org/jasc/2422)
- Part: Inverter
- Condition: Failed
- Location: Aux
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2010012200016

## Discrepancy

AFTER TAKEOFF, AUXILIARY INVERTER CAUTION LIGHT EXTINGUISHED AFTER WHICH ALL 3 INVERTERS FAILED.  FOUND 115 VOLTS BUSS TIE CIRCUIT BREAKER POPPED, RESET AND CONFIRMED AUXILIARY INVERTER. CHECKED PRIMARY AND SECONDARY INVERTERS IAW MM 24. OPS CHECKED GOOD.

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