# SDR CA980616007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Beech 1900C
- Registry model: [Beech 1900C](https://openairdocs.org/model/beech-1900c) (OpenAirDocs)
- Engine: Pwa PT6A65B
- System (JASC): [2422 · AC Inverter](https://openairdocs.org/jasc/2422)
- Part: Inverter
- Part number: PC250
- Condition: Failed
- Location: Engine
- Stage of operation: CR
- Nature of condition: G, H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980616007

## Discrepancy

(CAN) DURING FLIGHT, NR 1 INVERTER DROPPED OFF-LINE. T HE NR 2 INVERTER WAS SELECTED AND IT ALSO DROPPED OFF-LINE.   AFTER APPROXIMATELY 1/2 HOUR INTO FLIGHT, THE INVERTERS CAME ON-LINE.  MAINTENANCE INVESTIGATION REVEALED MOISTURE WAS PRESENT AROUND THE INVERTERS AND CONNECTORS.  THE CONNECTORS WERE CLEANED AND TREATED WITH CPC.  FUNCTIONAL CHECK CARRIED OUT SERVICEABLE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.