# SDR AUS20011181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2001
- Submitted: December 4, 2001
- Operation: General aviation
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Engine: Lyc TIO540J2BD
- Propeller: Hartzl HCE3YR2
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Combust Chamber
- Part number: A99100009
- Condition: Distorted
- Location: Heating System
- 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/AUS20011181

## Discrepancy

(AUS) HEATER COMBUSTION TUBE DISTORTED IN AREA OF FIRST AIR REVERSAL. SUSPECT CAUSED BY FAILURE OF TUBE MATERIAL TO COPE WITH THE HIGHTEMPERATURE OF THE HEATER.

---
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.