# SDR 2011FA0000545

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2011
- Submitted: August 26, 2011
- Operation: General aviation
- Aircraft: N477DS
- Make and model: Diamon DA 40
- Registry model: [Diamon DA 40](https://openairdocs.org/model/diamond-aircraft-ind-da-40) (OpenAirDocs)
- Aircraft serial: 40777
- Engine: Lyc IO360M1A
- System (JASC): [7820 · Engine Noise Suppressor](https://openairdocs.org/jasc/7820)
- Part: Insert
- Part number: PFS8016
- Condition: Deformed
- Location: Muffler
- Part time: 676 hours
- 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/2011FA0000545

## Discrepancy

FOUND MUFFLER INSERT INNER BAFFLE DEFORMED DURING AN ANNUAL INSPECTION.

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