# SDR 2011FA0000325

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2011
- Submitted: May 20, 2011
- Operation: General aviation
- Aircraft: [N87DG](https://openairdocs.org/aircraft/N87DG), registered now
- Make and model: Beech K35
- Registry model: [Beech K35](https://openairdocs.org/model/beech-k35) (OpenAirDocs)
- Aircraft serial: D5794
- System (JASC): [3710 · Vacuum Distribution System](https://openairdocs.org/jasc/3710)
- Part: Drive Shaft
- Condition: Sheared
- Location: Vacuum Pump
- Part time: 200 hours
- Component: Vacuum Pump
- Component part number: ADV212CW
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000325

## Discrepancy

PUMP DRIVE SHAFT SHEARED RENDERING PUMP INOPERATIVE.  THIS IS A SINGLE DRIVE, DUAL VACUUM PUMP.  BOTH PUMPS INOPERATIVE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.