# SDR S2YA00023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2000
- Submitted: September 27, 2000
- Operation: Air carrier
- Aircraft: [N831SK](https://openairdocs.org/aircraft/N831SK), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE83
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Block
- Part number: A3044
- Condition: Worn
- Location: Lt Engine Beta
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S2YA00023

## Discrepancy

FLT 1354 - MKE-TVC - SHORTLY AFTER TAKEOFF, THE LEFT ENGINE TORQUE STARTED FLUCTUATED 100-200 LB.  THE CREW MADE AN AIR-TURN-BACK AND AN UNEVENTFUL LANDING.  MAINTENANCE INSPECTED THE ENGINE AND REPLACED THE BETA BLOCK.  MAINTENANCE OPS CHECKED THE A/C AND RETURNED IT TO SERVICE.  (M)

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