# SDR 2003FA0000037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2002
- Submitted: January 21, 2003
- Operation: General aviation
- Aircraft: [N8971M](https://openairdocs.org/aircraft/N8971M), registered now
- Make and model: Cessna 177RG
- Registry model: [Cessna 177RG](https://openairdocs.org/model/cessna-177rg) (OpenAirDocs)
- Aircraft serial: 177RG0371
- Engine: Lyc IO360A1A
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Commutator
- Part number: 105932E
- Part serial: AH9010
- Condition: Worn
- Location: Hyd Pump Motor
- Part time: 2,321 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/2003FA0000037

## Discrepancy

PUMP OPERATED SLOWLY.  SENT FOR OVERHAUL WHICH SHOWED THAT MOTOR BRUSHES WERE WORN AND THE COMMUTATOR WAS WORN IRREGULARLY.  LED TO SLOW OPERATION OF THE LANDING GEAR.

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