# SDR 96ZZZX3236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N220PD](https://openairdocs.org/aircraft/N220PD), registered now
- Make and model: Hughes 369E
- Registry model: [Hughes 369E](https://openairdocs.org/model/hughes-helicopters-369e) (OpenAirDocs)
- Aircraft serial: 509E
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Pinion Shaft
- Part number: 369D2512111
- Condition: Worn
- Location: M/R Gearbox
- Part time: 1,353 hours
- Component: 369D28100507
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX3236

## Discrepancy

OIL COOLER DRIVE BELT PULLEY HAD WORN THE SPLINES TO BELOW THE 'OVER-PIN' LIMITS.  THE PULLEY WAS SEIZED ON THE PINION SHAFT.

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