# SDR HEEA077561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2001
- Submitted: January 21, 2002
- Operation: General aviation
- Aircraft: [N6106C](https://openairdocs.org/aircraft/N6106C), registered now
- Make and model: Bell 412EP
- Registry model: [Bell 412EP](https://openairdocs.org/model/bell-textron-canada-412ep) (OpenAirDocs)
- Aircraft serial: 36257
- Aircraft time: 388 hours
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Indicator
- Part number: 412075010111
- Part serial: 1041
- Condition: Fluctuates
- Location: Triple Tach
- 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/HEEA077561

## Discrepancy

TRIPLE TACH NEEDLES FLUCTUATE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.