# SDR 2002FA0000654

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2002
- Submitted: May 16, 2002
- Operation: General aviation
- Aircraft: [N4640R](https://openairdocs.org/aircraft/N4640R), registered now
- Make and model: Piper PA-28-140
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (OpenAirDocs)
- Aircraft serial: 2821393
- Engine: Lyc O320*
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Gear
- Part number: SL13S19646
- Condition: Mismanufactured
- Location: Crankshaft
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000654

## Discrepancy

FOUND CRANKSHAFT GEAR TO HAVE ITS TIMING MARK OFF BY ONE TOOTH. FAA INSPECTOR NOTE:  MECHANIC SAID ENGINE WOULD NOT DEVELOP FULL POWER.

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