# SDR CA130730003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Snias AS350B2
- Aircraft time: 3,438 hours
- Engine: Lyc LTS101700D2
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pulley
- Part number: 350A35109222
- Condition: Failed
- Location: Hyd Pump
- 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/CA130730003

## Discrepancy

(CAN) ON A DAILY INSPECTION AFTER A DAY OF FLYING THE ENGINEER ON THE MACHINE NOTICED SUBSTANTIAL PLAY ON THE HYDRAULIC PUMP DRIVE PULLEY.  HE DISSASEMBLED THE UNIT TO FIND THAT THE INNER RACE OF THE BEARING HAD COMPLETELY WORN AWAY THE AREA OF THE PULLEY WHERE THE BEARING IS PRESSED ON RESULTING IN THE LARGE AMOUNT OF PLAY.

---
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.