# SDR PNSA050601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2005
- Submitted: June 14, 2005
- Operation: Air carrier
- Aircraft: N665PA
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B181
- Aircraft time: 31,320 hours
- Engine: Ge CT7TP*
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Left
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PNSA050601

## Discrepancy

LT ENGINE HAD AUTO IGNITION EVENT DURING CRUISE IN CLOUDS WITH ANTI-ICE SYSTEM ON.  NO VISIBLE ICE NOTED BY CREW HOWEVER THERE WAS ICE FORCAST.  CREW REPORTED 1 IGNITION RELIT AND CONFIRMED IGNITION LIGHTS ON.  ALL OTHER PARAMETERS NORMAL.  CREW ELECTED TO RETURN TO ANC WHERE MAINTENANCE BORESCOPED COMPRESSOR AND CHECKED ENGINE ANTI-ICE SYSTEM.  EVERYTHING WAS FOUND NORMAL AND AIRCRAFT RELEASED FOR SERVICE.  NO OTHER PROBLEMS NOTED ON LATER FLIGHTS.

---
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.