# SDR R7MR34755

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2002
- Submitted: May 17, 2002
- Operation: Air carrier
- Aircraft: N117SU
- Make and model: Bolkms BK117C1
- Aircraft serial: 7527
- Engine: Tmeca ARRIEL1
- System (JASC): [6340 · Rotor Drive Indicating System](https://openairdocs.org/jasc/6340)
- Part: Indicator
- Part number: 117902111
- Part serial: 167
- Condition: Inoperative
- Location: Triple Tach Ind
- Part time: 1,854 hours
- 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/R7MR34755

## Discrepancy

TRIPLE TACH INDICATOR, UNIT INOPERATIVE. 2 PERCENT NEEDLE SPLIT.   REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

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