# SDR 2023FA0000575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2023
- Submitted: September 28, 2023
- Operation: General aviation
- Aircraft: [N470SU](https://openairdocs.org/aircraft/N470SU), registered now
- Make and model: Cirrus SR20
- Registry model: [Cirrus SR20](https://openairdocs.org/model/cirrus-design-sr20) (OpenAirDocs)
- Aircraft serial: 8670
- Aircraft time: 848 hours
- Engine: IO390C3B6
- Engine time: 848 hours
- Propeller: Hartzl HCE3YR1
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Pushrod
- Part number: 15S2883553
- Part serial: NA
- Condition: Bent
- Location: Zone 100
- Part time: 816 hours
- Component: # 3 Cylinder As, Lyc, IO390
- Component part number: 16A26081
- Stage of operation: CR
- How discovered: V
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000575

## Discrepancy

LOSS OF POWER DUE #3-CYLINDER EXHAUST PUSH ROD BEING BENT. PILOT LOST POWER TO THE #-3 CYLINDER DURING FLIGHT. UPON REMOVAL OF THE # 3 CYLINDER, IT WAS FOUND THAT THE EXHAUST PUSH ROD WAS GALLED AND BENT. THE PUSH ROD TUBE WAS ALSO BENT.

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