# SDR 97ZZZX4874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4108D
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 318352018
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Combustion Liner
- Condition: Cracked
- Location: Heater
- Component: Janitrol, 65D793
- 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/97ZZZX4874

## Discrepancy

HEATER FAILED PRESSURE DECAY TEST.  UPON REMOVAL, CRACK WAS NOTED IN COMBUSTION LINER.

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