# SDR CA050124008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2005
- Submitted: March 3, 2005
- Operation: General aviation
- Make and model: Piper PA-31-325
- Registry model: [Piper PA-31-325](https://openairdocs.org/model/piper-pa-31-325) (OpenAirDocs)
- Aircraft time: 12,805 hours
- Engine: Lyc TIO540F2BD
- Propeller: Hartzl HCE3YR2A
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Hsi
- Part number: 40001728513
- Condition: Stuck
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: I
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050124008

## Discrepancy

(CAN) NR1 HSI NEEDLE STUCK ON NORTHERN HEADING.  NR1 ENGINE STARTED TO SURGE.  ENGINE DROPPED TO 20 INCHES OF MANIFOLD PRESSURE.  AIRCRAFT RETURNED TO BASE SAFELY.

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