# SDR 95ZZZX5644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N59829](https://openairdocs.org/aircraft/N59829), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 317652081
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pitch Change Rod
- Part number: B24914
- Condition: Severed
- Location: Nr 1 Eng Prop
- Stage of operation: TO
- Nature of condition: R
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX5644

## Discrepancy

SECOND BEFORE ROTATION, A LOUD BANG AND LOSS OF POWER ON NR 1 ENGINE OCCURRED.  PROPELLER WENT INTO FEATHER.  INSPECTION OF NR 1 ENGINE, NO DEFECTS FOUND, BUT ENG WOULD NOT TURN MORE THAN 600 RPM.  PROPELLER WOULD NOT COME OUT OF FEATHER. REPLACED PROPELLER.  NR 1 ENG CHECKED OUT NORMAL.  TEAR DOWN OF PROP REVEALED THE PTICH CHANGE ROD WAS SEVERED JUST AFT OF PISTON, PN B-3237, RETAINING FLANGE CROSSING PROP TO ABRUPTLY GO INTO FEATHER.  PITCH CHANGE ROD BEING FORWARDED TO HARTZELL FOR FURTHER INVESTIGATION.  PROP TSO, 274.00 HRS.

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