# SDR 2001FA0000691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2001
- Submitted: December 28, 2001
- Operation: General aviation
- Aircraft: [N164ST](https://openairdocs.org/aircraft/N164ST), registered now
- Make and model: Piper PA46-500TP
- Registry model: [Piper PA46-500TP](https://openairdocs.org/model/piper-pa46-500tp) (OpenAirDocs)
- Aircraft serial: 4697064
- Engine: Pwa PT6*
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Flux Detector
- Part number: 6446
- Part serial: 7001
- Condition: Failed
- Location: Directional Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001FA0000691

## Discrepancy

AFTER 10-30 HOURS OF AIRCRAFT OPERATION FLUX VALVE IS FAILING.  SUSPECT THE PROBLEM IS VIBRATION RELATED.  NEED TO REPLACE HORIZONTAL STABILIZER IF PROBLEM CANNOT BE ISOLATED.

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