# SDR 98ZZZX891

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N800CP](https://openairdocs.org/aircraft/N800CP), registered now
- Make and model: Maule MXT-7-180
- Registry model: [Maule MXT-7-180](https://openairdocs.org/model/maule-mxt-7-180) (OpenAirDocs)
- Aircraft serial: 14058C
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Exhaust System
- Part number: 5327F32
- Condition: Cracked
- Location: Eng Muffler
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX891

## Discrepancy

OVER A PERIOD OF THREE YEARS, NINE OCCURRENCES OF EXHAUST/MUFFLER PROBLEMS.  THESE INCLUDE EXCESSIVE VIBRATION RESULTING IN CRACKING OF WELDS, AT CONNECTION OF EXHAUST PIPES AND MUFFLER.  IN ADDITION, CRACKING OF WELD SPOTS AT VARIOUS LOCATIONS TO INCLUDE ROD CONNECTING THE TWO TAILPIPES.  ON ONE OCCASION, EXHAUST PIPE HAD PULLED AWAY FROM MANIFOLD CREATING A SEVERE FIRE HAZARD.

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