# SDR 98ZZZX1407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N313KA
- Make and model: Kaman K-1200
- Registry model: [Kaman K-1200](https://openairdocs.org/model/kaman-aerospace-k-1200) (OpenAirDocs)
- Aircraft serial: 940019
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Dual Tach
- Part number: K983126001
- Condition: Failed
- Location: Rotor Needle
- Part time: 1,030 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX1407

## Discrepancy

DUAL TACH FAILED.  ROTOR NEEDLE INOPERATIVE.

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