# SDR 2003FA0000696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2003
- Submitted: July 10, 2003
- Operation: General aviation
- Aircraft: [N9883P](https://openairdocs.org/aircraft/N9883P), registered now
- Make and model: Piper PA-25-235
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (OpenAirDocs)
- Aircraft serial: 257556211
- Engine: Lyc O540B2C5
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Bearing Cage
- Part number: 67542
- Condition: Disintegrated
- Location: Impulse Coupling
- Part time: 974 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0000696

## Discrepancy

DURING MAINTENANCE ACTION, FOUND LT IMPULSE COUPLING  MAG GEAR ROLLER BEARING CAGE, PN LYC 67452 DISINTEGRATED AND DEPOSITED IN OIL SUMP.  BOTH SIDES OF ROLLER CAGE CAME LOOSE AND ROLLER BALLS BUNCHED UP INSIDE BEARING RACES.  ADDITIONAL STRESS OF IMPULSE MAG MAY CONTRIBUTE TO DEFECT.  RT MAG ROLLER BEARING, OK.

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