# SDR A6WA2017021544790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2017
- Submitted: February 22, 2017
- Operation: Air carrier
- Aircraft: [N455AW](https://openairdocs.org/aircraft/N455AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7848
- Aircraft time: 31,874 hours, 30,663 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: O-Ring
- Condition: Leaking
- Location: Hyd Pump
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA2017021544790

## Discrepancy

IN CRUISE FLIGHT RECEIVED HYD 3 LOW PRESS CTN MESSAGE, HYD 3 QUANTITY 5 % , HYD 3 PRESS 2000. COMPLIED WITH QRH, HYD 3 B ACMP TURNED ON. UPON LANDING HYD 3 QUANTITY 5% AND PRESSURE 0. INSPECTED AND FOUND HYD PUMP 3A BALL ATTENUATOR LEAKING. REMOVED AND REPLACED HYD PUMP 3A BALL ATTENUATOR O-RINGS IAW AMM 29-12 INSPECTED SYSTEM 3 PRESSURE, RETURN, AND CASE FILTERS NO DEFECTS NOTED. OPS AND LEAK CHECKED GOOD.

---
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.