# SDR 2001F00068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2001
- Submitted: June 29, 2001
- Operation: General aviation
- Aircraft: [N731CW](https://openairdocs.org/aircraft/N731CW), registered now
- Make and model: Lear 25B
- Registry model: [Lear 25B](https://openairdocs.org/model/gates-lear-jet-25b) (OpenAirDocs)
- Aircraft serial: 117
- System (JASC): [3418 · Stall Warning System](https://openairdocs.org/jasc/3418)
- Part: Vane
- Part number: SL29849147173
- Condition: Malfunctioned
- Location: Stall Warning
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001F00068

## Discrepancy

DOC HOWARD MACH II STC SYSTEM.  AFTER A SCHEDULED 300 HOUR INSPECTION, AIRCRAFT WAS TEST FLOWN, FINDING AOA SYSTEM INOPERATIVE.  SYSTEM WAS TROUBLESHOT, FOUND TO BE SATISFACTORY ON GROUND.  IN FLIGHT AOA  REMAIN STEADY, NO STALL WARNING, PUSH/PULLER FUNCTIONING WHILE EXPERIENCING WING AND TAIL BUFFET.  SAFETY RECOMMENDATION INITIATED.

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