# SDR CA991229057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 1999
- Submitted: January 19, 2001
- Operation: General aviation
- Make and model: Cessna 177B
- Registry model: [Cessna 177B](https://openairdocs.org/model/cessna-177b) (OpenAirDocs)
- Aircraft time: 5,402 hours
- Engine: Lyc O360A1F6
- System (JASC): [3710 · Vacuum Distribution System](https://openairdocs.org/jasc/3710)
- Part: Coupling
- Condition: Failed
- Location: Vacuum Pump
- Part time: 739 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991229057

## Discrepancy

(CAN) DURING CRUISE FLIGHT, THE VACUUM SYSTEM FAILED. MAINTENANCE FOUND THE VACUUM PUMP FAILED AT THE DRIVE COUPLING.

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