# SDR 2005FA0000202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2005
- Submitted: March 4, 2005
- Operation: General aviation
- Aircraft: [N55696](https://openairdocs.org/aircraft/N55696), registered now
- Make and model: Piper PA-28R-200
- Registry model: [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200) (OpenAirDocs)
- Aircraft serial: 28R7335274
- Engine: Lyc IO360C1C
- Propeller: Hartzl HCC2YK1
- System (JASC): [6122 · Propeller Governor](https://openairdocs.org/jasc/6122)
- Part: Spool
- Part number: 54696
- Condition: Misinstalled
- Location: Governor
- Component: Governor, Hartzl
- Component part number: F27A
- 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/2005FA0000202

## Discrepancy

GOVERNOR SENT FOR REPAIR DUE TO RPM CONTROL ISSUES AND A HISTORY OF LEAKING.  DURING DISASSEMBLY, THE PILOT SPOOL SHAFT THREADS WERE FOUND DAMAGED.  IT WAS DISCOVERED THAT AT THE PREVIOUS ASSY OF THIS PART, A FINE THREADED B3808-4 NUT WAS USED IN PLACE OF THE REQUIRED B3808 (COARSE THREAD) NUT.  THE B3808-4 WAS FORCED ONTO THE PILOT SPOOL DISTORTING AND CROSSTHREADED IT.  UNIT WAS REPORTED TO HAVE BEEN OVERHAULED 3/1/94 AND HAD APPROX 200 HOURS TSO.

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