# SDR I122003F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2002
- Submitted: January 6, 2003
- Operation: Air carrier
- Aircraft: N971K
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 373
- Engine: Garrtt TFE731*
- System (JASC): [3415 · High Speed Warning](https://openairdocs.org/jasc/3415)
- Part: Switch
- Part number: DRA76C14
- Part serial: 617
- Condition: Failed
- Location: Mach Overspeed
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I122003F00000

## Discrepancy

MACH OVERSPEED SWITCH FAILED DURING FUNCTIONAL TEST.

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