# SDR T22R R/O9856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2016
- Submitted: August 29, 2016
- Operation: General aviation
- Aircraft: [N365ES](https://openairdocs.org/aircraft/N365ES), registered now
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280023
- Engine: Lyc IO360L2A
- Engine time: 9,094 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 13B2712185
- Part serial: V53793260
- Condition: Broken
- Location: Engine
- Part time: 9,094 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/T22R%20R%2FO9856

## Discrepancy

CRANKSHAFT BROKE AT THE NR 4 CONNECTING ROD JOURNAL, SEPARATION OCCURRED AT THE NR 5 CHEEK COUNTING FROM THE FRONT OF CRANKSHAFT.

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