# SDR 2011F00118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2011
- Submitted: May 24, 2011
- Operation: Air carrier
- Aircraft: [N775SL](https://openairdocs.org/aircraft/N775SL), registered now
- Make and model: Raythn G36
- Aircraft serial: E3805
- Aircraft time: 871 hours
- Engine: Cont IO550B
- Engine time: 871 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: AEC631397
- Condition: Cracked
- Location: Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: M, R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011F00118

## Discrepancy

04/26/2011, OWNER FLYING AIRCRAFT, RECEIVED WARNING INDICATION/OVER TEMP ON 3RD CYLINDER.  MADE UNSCHEDULED LANDING.  UPON INSP, FOUND HOLE IN TOP OF CYLINDER ADJACENT TO SPARK PLUG.  REMOVED AND REPLACED CYLINDER.  VISUALLY INSPECTED OTHER CYLINDERS- NO DISCREPANCIES NOTED.  05/12/11- AIRCRAFT FLEW 25 MORE HOURS- PILOT COMPLAINED OF BAD SMELL IN COCKPIT; INSPECTED ENGINE, PERFORMED COMPRESSION CHECK NOTED NUMEROUS COMPRESSION LEAKS FROM 5 REMAINING CYLINDERS.  (ENGINE HAD BEEN OVERHAULED AT 441 TT HOURS, NEW CYLINDERS HAD 404 HOURS ON CYLINDER NR3 AND 429 HOURS 5 REMAINING CYLINDERS).  MFG IS REPLACING ALL CYLINDERS.  CYLINDER PN: AEC631397, SN'S: 63931-05, 64015-20, 64010-04, 64506-08, 64506-12, 64526-15.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.