# SDR N3XR201808170305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2018
- Submitted: August 17, 2018
- Operation: General aviation
- Aircraft: [N305ER](https://openairdocs.org/aircraft/N305ER), registered now
- Make and model: Diamon DA 42 NG
- Registry model: [Diamon DA 42 NG](https://openairdocs.org/model/diamond-aircraft-ind-da-42-ng) (OpenAirDocs)
- Aircraft serial: 42N205
- Aircraft time: 1,164 hours
- Engine: Austro E4
- Engine time: 1,164 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: E4A12300M01
- Condition: Warped
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N3XR201808170305

## Discrepancy

COOLANT FLUID WAS SEEN AFTER FLIGHT, BY THE CREW. TROUBLESHOOTING AND TEST INDICATED A CYLINDER HEAD LEAK OF SOME KIND. THE HEAD WAS REPLACED WITH A NEW PART AND SUBSEQUENT GROUND TESTS AND FUNCTIONAL CHECK FLIGHT RESULTED IN NO MORE FLUID LOSS.

---
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.