# SDR 2010FA0000790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2010
- Submitted: August 6, 2010
- Operation: General aviation
- Aircraft: [N2129Z](https://openairdocs.org/aircraft/N2129Z), registered now
- Make and model: Piper PA-28-236
- Registry model: [Piper PA-28-236](https://openairdocs.org/model/piper-pa-28-236) (OpenAirDocs)
- Aircraft serial: 287911152
- Engine: Lyc O540*
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Oil Cooler
- Part number: 8000074
- Part serial: 1041991
- Condition: Leaking
- Location: Zone 400
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2010FA0000790

## Discrepancy

THE FIRST UNIT THAT FAILED WAS AN O/H COOLER, PN 8000074, SN 1041411 MFG. 04/05, INSTALLED 12/01/09 AND FAILED ON 3/19/10.  THE REPLACEMENT COOLER WAS NEW WITH SAME PN 8000074 AND SN 1041905 , MFG. 10/09, INSTALLED ON 3/25/10. THE FIRST WAS INSTALLED ON A FACTORY REBUILT ZERO TIME ENGINE. THIS UNIT FAILED AFTER 23.6 FLIGHT HOURS. THE SECOND, NEW COOLER, FAILED AFTER 30 MORE FLIGHT HOURS OR TOTAL ENGINE TIME OF 53 HOURS.

---
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.