# SDR 96ZZZX3873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N34348](https://openairdocs.org/aircraft/N34348), registered now
- Make and model: Cessna 177B
- Registry model: [Cessna 177B](https://openairdocs.org/model/cessna-177b) (OpenAirDocs)
- Aircraft serial: 17701775
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Stack
- Condition: Separated
- Location: Muffler
- Part time: 68 hours
- 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/96ZZZX3873

## Discrepancy

EXIT STACK OF MUFFLER SEPARATED FROM THE MUFFLER.  APPEARS WELDS MAY NOT HAVE BEEN 'NORMALIZED' CAUSING A BRITTLE AREA AROUND THE WELD.  THIS WAS AN FAA/PMA PART.  ENGINE SHOWED NO SIGNS OF VIBRATION.  EXHAUST EXITED THE MUFFLER INTO COWLING, GASCOLATOR, AND CARBURETOR AREA.

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