# SDR OG5S2015FA0000187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2015
- Submitted: May 9, 2015
- Operation: General aviation
- Aircraft: [N567ND](https://openairdocs.org/aircraft/N567ND), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S10805
- Aircraft time: 3,705 hours
- Engine: Lyc IO360L2A
- Engine time: 6,203 hours
- Propeller: Mcauly 1A170E
- System (JASC): [7820 · Engine Noise Suppressor](https://openairdocs.org/jasc/7820)
- Part: Muffler
- Part number: A175400125
- Part serial: 38180
- Condition: Cracked
- Location: Engine
- Part time: 151 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/OG5S2015FA0000187

## Discrepancy

SITTING ON THE RAMP IDLING, RECEIVED A HIGH CO2 WARNING AFTER A COUPLE ON MINUTES. SHUTDOWN ENGINE AND CO2 WARNING CEASED.  INSPECTED MUFFLER AND FOUND SPOT WELDS PULLING OUT FROM MUFFLER LINER THEREFORE RELEASING EXHAUST INTO HEAT SHROUD.

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