# SDR WP012001B1728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2001
- Submitted: May 4, 2001
- Operation: General aviation
- Aircraft: [N3021M](https://openairdocs.org/aircraft/N3021M), registered now
- Make and model: Piper PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (OpenAirDocs)
- Aircraft serial: 121576
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Part number: 850X6
- Condition: Mismanufactured
- Location: Mlg
- 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/WP012001B1728

## Discrepancy

MOUNTED TWO GOODYEAR 8.50 X 6 6PR TIRES,  PN856C61-3, ON CLEVELAND WHEELS.  ONE TIRE APPEARED LARGER IN DIAMETER THAN THE OTHER.  MEASURED BOTH TIRES, AT 25PSI ONE TIRE IS 20.1250 AND THE OTHER IS 20.9375 IN DIAMETER.

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