# SDR 2007FA0000115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2007
- Submitted: February 7, 2007
- Operation: General aviation
- Aircraft: [N1562F](https://openairdocs.org/aircraft/N1562F), registered now
- Make and model: Beech A36
- Registry model: [Beech A36](https://openairdocs.org/model/beech-a36) (OpenAirDocs)
- Aircraft serial: E2857
- Engine: Cont IO550B
- Propeller: Mcauly D3A32C*
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Mount
- Condition: Corroded
- Location: Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0000115

## Discrepancy

PERFORMED ANNUAL INSPECTION ON ENGINE, FOUND BLACK (FRETTING) CORROSION BELOW CENTER 2 (LT AFT) ENGINE MOUNT BOLTS.  BOLTS WERE LOOSE IN MOUNT, BUT THE NUTS WERE TIGHT ON BOLTS.  PROBLEM IS THAT THE BOLTS ARE A LITTLE TOO LONG AND THE NUTS WERE RUNNING OUT OF THREADS ON THE BOLTS.  SOLUTION WAS TO ADD ANOTHER WASHER BELOW THE NUTS, THEN RETORQUE BACK TO SPECS.  (K)

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