# SDR 2001FA0000671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2001
- Submitted: December 18, 2001
- Operation: General aviation
- Aircraft: [N54CH](https://openairdocs.org/aircraft/N54CH), registered now
- Make and model: Maule MXT-7-180A
- Registry model: [Maule MXT-7-180A](https://openairdocs.org/model/maule-mxt-7-180a) (OpenAirDocs)
- Aircraft serial: 21028C
- Engine: Lyc O340*
- System (JASC): [7820 · Engine Noise Suppressor](https://openairdocs.org/jasc/7820)
- Part: Muffler
- Condition: Cracked
- Location: Engine
- Part time: 300 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/2001FA0000671

## Discrepancy

WELD SHOULD BE INSPECTED EACH 100 HOURS OR EVERY OIL CHANGE.  CRACK COULD BRING EXHAUST GAS INTO CABIN.  POOR DESIGN OF MUFFLER AND NOT SUPPORTED PROPERLY.

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