# SDR 2015FA0000265

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2015
- Submitted: June 10, 2015
- Operation: General aviation
- Aircraft: [N572ND](https://openairdocs.org/aircraft/N572ND), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S10940
- Aircraft time: 5,296 hours
- Engine: Lyc IO360L2A
- Engine time: 2,514 hours
- System (JASC): [7820 · Engine Noise Suppressor](https://openairdocs.org/jasc/7820)
- Part: Muffler
- Part number: A175400125
- Part serial: 38572
- Condition: Cracked
- Location: Engine
- Part time: 120 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/2015FA0000265

## Discrepancy

SPOT WELDS FAILED CAUSING CARBON MONOXIDE TO ENTER HEAT SHROUD THEREFORE ENTERING CABIN.

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