# SDR 99ZZZX925

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N114PW](https://openairdocs.org/aircraft/N114PW), registered now
- Make and model: Gulstm 114B
- Aircraft serial: 14542
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Muffler
- Condition: Loose
- Location: Exhaust
- 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/99ZZZX925

## Discrepancy

MUFFLER/HEAT EXCHANGER END FLANGE SEPARATED FROM THE MUFFLER HOUSING CAUSING LARGE AMOUNTS OF EXHAUST TO ENTER THE CABIN.  PART TT:  1,711.4 HOURS.  MUFFLER MIGHT HAVE BEEN REPAIRED BY WELDING ON THE OUTSIDE OF BOTH THE FLANGES.  SUBMITTER SUGGESTED NEW STYLE MUFFLER OR REPETATIVE INSPECTIONS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.