# SDR ACE020504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2004
- Submitted: February 9, 2004
- Operation: Air carrier
- Aircraft: [N9957M](https://openairdocs.org/aircraft/N9957M), registered now
- Make and model: Cessna 207A
- Registry model: [Cessna 207A](https://openairdocs.org/model/cessna-207a) (OpenAirDocs)
- Aircraft serial: 20700764
- Aircraft time: 16,194 hours
- System (JASC): [3710 · Vacuum Distribution System](https://openairdocs.org/jasc/3710)
- Part: Pump
- Part number: AA216CW
- Part serial: C04324
- Condition: Inoperative
- Location: Vacuum Sys
- 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/ACE020504

## Discrepancy

PILOT REPORTED VACUUM PUMP INOP.  MAINTENANCE REPLACED SEIZED (SHEARED SHAFT) PUMP.

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