# SDR 2026FA0000159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2026
- Submitted: March 6, 2026
- Operation: General aviation
- Aircraft: [N70052](https://openairdocs.org/aircraft/N70052), registered now
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Engine: Lyc O320*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: SL32006WA1
- Part serial: 326W000003625
- Condition: Cracked
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000159

## Discrepancy

POSITION # 1 &2 CYLINDER EXHAUST PORT CRACK FROM THE INBOARD EXHAUST STUD EXTENDING TO THE BACK OF THE PORT. CRACK VISIBLE THROUGH THE FINS. SUPERIOR CYLINDERS PN: SL32006W-A1 SERIAL NUMBER 326W000003625 & 326W000003623.

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