# SDR 2011FA0000316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2011
- Submitted: May 16, 2011
- Operation: General aviation
- Aircraft: [N851K](https://openairdocs.org/aircraft/N851K), registered now
- Make and model: Beech F33C
- Registry model: [Beech F33C](https://openairdocs.org/model/beech-f33c) (OpenAirDocs)
- Aircraft serial: CJ178
- Aircraft time: 5,263 hours
- Engine: Cont IO520BB
- Engine time: 568 hours
- Propeller: Hartzl PHCC3YF1
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Pneumatic System
- Part number: AA3216CW
- Part serial: N60933
- Condition: Failed
- Part time: 568 hours, 568 cycles
- Stage of operation: TX
- 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/2011FA0000316

## Discrepancy

PILOT REPORTED ON RUN UP, THERE WAS NO INSTRUMENT AIR PRESSURE.  UP ON TROUBLESHOOTING THE MECHANIC FOUND THE SHAFT SHEARED.  INSTALLED NEW PUMP, SYS WORKED NORMAL.  NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.

---
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.