# SDR S2YA970032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N81SK](https://openairdocs.org/aircraft/N81SK), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE81
- System (JASC): [6140 · Propeller Indication System](https://openairdocs.org/jasc/6140)
- Part: Tach Genetator
- Part number: 503890571
- Condition: Failed
- Location: Rt Engine
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S2YA970032

## Discrepancy

FLT 1828 - MKE-CMH - DURING CLIMB-OUT, THE CREW NOTICED THE LEFT PROPELLER GAUGE FLUCTUATING BETWEEN 1400-2000 RPM.  NOTIFIED ATC AND DISPATCH RETURNING TO MKE.  AFTER MAKING AN UNEVENTFUL LANDING, MAINTENANCE TROUBLESHOT THE PROBLEM AND FOUND A BROKEN WIRE AT THE LT TACH GENERATOR AND REPLACED THE RT TACH GENERATOR.  AFTER OPERATIONLLY CHECKING GOOD, THE AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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