# SDR CA050805003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2005
- Submitted: September 1, 2005
- Operation: General aviation
- Make and model: Piper PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (OpenAirDocs)
- Aircraft time: 1,898 hours
- Engine: Lyc O320A2B
- Propeller: Snsnch M74DM
- System (JASC): [7820 · Engine Noise Suppressor](https://openairdocs.org/jasc/7820)
- Part: Baffle
- Condition: Warped
- Location: Muffler
- Component: Muffler, Lyc, 3241
- 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/CA050805003

## Discrepancy

(CAN) EXCESSIVE EXHAUST BACK PRESSURE - MUFFLER 2 INCH STACK HOLE IN CAN 1.5 INCH DIAMETER LEFT A HIGH RESTRICTION CAUSING HIGH HEAT PROGRESSIVELY COLLAPSING THE PERFORATED BAFFLE AROUND THE EMERGECY BAIL RESULTING IN A SERIOUS LOSS OF POWER.

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