# SDR TI1R001403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2001
- Submitted: August 16, 2001
- Operation: General aviation
- Make and model: Bolkms BK117A1
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tachometer
- Part number: 1179405303
- Part serial: 117
- Condition: Failed
- Location: Cockpit
- 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/TI1R001403

## Discrepancy

TRIPLE TACHOMETER - ROTOR TACHOMETER FAILED.  REMOVED AND REPLACED.

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