# SDR CA060717001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2006
- Submitted: August 2, 2006
- Operation: General aviation
- Make and model: Ayres S2RHG-T65
- Registry model: [Ayres S2RHG-T65](https://openairdocs.org/model/ayres-s2rhg-t65) (OpenAirDocs)
- Aircraft time: 2,839 hours
- Engine: Pwa AWASP
- Propeller: Hamstd 12D40
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Pushrod
- Part number: 11876
- Condition: Loose
- Location: Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, Y, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA060717001

## Discrepancy

(CAN) THE BALL END ON THE NR 5 EXHAUST VALVE PUSHROD WAS LOOSE. THIS CAUSED THE PUSHROD TO LENGTHEN REMOVING ANY VALVE CLEARANCE. THIS CAUSED AN OPEN EXHAUST VALVE SITUATION WHICH ALLOWED EXHAUST FLAME TO ENTER THE NR 5 CYLINDER. WHEN THE NR 5 INTAKE VALVE OPENED THIS ALLOWED THE FLAME TO BURN THE AIR/FUEL MIXTURE THROUGHOUT THE ENTIRE BLOWER AND MANIFOLD CAUSING THE ENGINE TO LOSE POWER AND THEN STOP. (TC NR 20060717001)

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