# SDR HYIA20190315007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2019
- Submitted: March 15, 2019
- Operation: Air carrier
- Aircraft: [N385CA](https://openairdocs.org/aircraft/N385CA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: C4020111
- Aircraft time: 19,248 hours
- Engine: Cont TSIO520VB
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Lifter
- Part number: 653877
- Condition: Collapsed
- Location: Engine
- Part time: 1,265 hours
- Component: Engine, Cont, TSIO520VB
- Component part number: TSIO520VB
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20190315007

## Discrepancy

PILOT REPORTED ENGINE RUNS ROUGH IN CLIMB. MAINTENANCE INSPECTED AND FOUND LOW COMPRESSION ON THE NR 2 & NR 3 CYLINDERS OF THE RIGHT ENGINE, COLLAPSED LIFTERS ON THE NR 5 & NR 6 CYLINDERS, AS WELL AS A CRACKED BEARING ON THE NR 3 CYLINDER CONNECTING ROD. BOTH CYLINDERS AND THE NR 3 & NR 4 CONNECTING RODS WERE REPLACED WITH NO FURTHER DEFECTS NOTED.

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