# SDR CA030813002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2003
- Submitted: September 4, 2003
- Operation: General aviation
- Make and model: Cessna 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (OpenAirDocs)
- Aircraft time: 13,782 hours
- Engine: Lyc O320D2J
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Piston
- Part number: 75089
- Condition: Cracked
- Location: Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030813002

## Discrepancy

(CAN) DEFECTIVE PART FOUND DURING A TOP OVERHAUL AT 1785.8 HOURS (ENGINE TIME).  THIS ENGINE CYLINDERS HAD NEVER BEEN REMOVED SINCE LYCOMING OVERHAUL.  PERTINENT INFORMATION:  CRACK IN PROGRESS, 3/4 INCH LONG.  WE CAN OBSERVE POROSITY IN THE MATERIAL AT THE CRACK LOCATION.  PART KEPT FOR INVESTIGATION.

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