# SDR 97ZZZX1112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N4350M](https://openairdocs.org/aircraft/N4350M), registered now
- Make and model: Amd FALCON50MYST
- Aircraft serial: 142
- System (JASC): [3418 · Stall Warning System](https://openairdocs.org/jasc/3418)
- Part: Switch
- Part number: 4219F010301
- Condition: Failed
- Location: Stall Vane
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX1112

## Discrepancy

AIRCRAFT FAILED CAMP CARD CHECK OF NR 2 STALL VANE.  FOUND AIRSPEED SWITCH 66F FAILED TO THE PLUS 270 KNOT POSITION.  ORDERED AND INSTALLED REPLACEMENT AIRSPEED SWITCH.  AIRCRAFT AGAIN FAILED CHECK, BUT A DIFFERENT PART OF THE CHECK.  FOUND REPLACEMENT AIRSPEED SWITCH FAILED TO THE BELOW 270 KNOT POSITION.  SWITCH HAD BEEN OVERHAULED TO ZERO TIME ON 1-16-97.

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