# SDR CA970807050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Doug A26CSHIELDS
- Engine: Pwa R280079
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Cracked
- Location: Nr9 Position
- Part time: 729 hours
- Stage of operation: CR
- Nature of condition: E
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970807050

## Discrepancy

(CAN) NR2 ENGINE BEGAN TO RUN ROUGH WITH VIBRATIONS. ENGINE WAS SHUTDOWN AND AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION FOUND THE NR9 CYLINDER CRACKED.

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