# SDR 2003FA0000381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2003
- Submitted: April 14, 2003
- Operation: General aviation
- Aircraft: [N291GT](https://openairdocs.org/aircraft/N291GT), registered now
- Make and model: Socata TB21
- Registry model: [Socata TB21](https://openairdocs.org/model/socata-tb21) (OpenAirDocs)
- Aircraft serial: 2091
- Engine: Lyc TIO540*
- Propeller: Hartzl HCC3YR
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Lever
- Part number: TB2156011000
- Condition: Fretted
- Location: Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0000381

## Discrepancy

CUSTOMER COMPLAINED OF EXCESSIVE VIBRATION.  ATTEMPTS TO BALANCE THE PROP WERE UNSUCCESSFUL.  INSPECTION REVEALED THAT THE EXHAUST SUPPORT (LEVER ASSY) SUPPORT BUSHINGS WERE WORN ALLOWING THE METAL PORTION TO CONTACT THE MOUNT TRANSMITTING THE ENGINE VIBRATION TO THE AIRFRAME.

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