# SDR 2003FA0000491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2003
- Submitted: May 14, 2003
- Operation: General aviation
- Aircraft: N4130W
- Make and model: Piper PA-28-181
- Registry model: [Piper PA-28-181](https://openairdocs.org/model/piper-pa-28-181) (OpenAirDocs)
- Aircraft serial: 2843204
- Engine: Lyc O360A4M
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Pump
- Part number: RA215CC
- Part serial: A1767
- Condition: Broken
- Location: Pneumatic Sys
- 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/2003FA0000491

## Discrepancy

DURING FLIGHT AIRCREW REPORTED NO AIR PRESSURE.  MAINTENANCE INVESTIGATED AND FOUND DRIVE SHAFT ON AIR PUMP HAD SHEARED.  PROBABLE CAUSE IS VANES HAD SHEAR AND JAMMED SHAFT CAUSE IT TO SHEAR.  NO RECOMMENDATIONS.

---
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.