SDR A6WA2017021544790

Service difficulty report · O-Ring · Cndair CL6002B19

Difficulty date: February 10, 2017
Submitted: February 22, 2017
Operation: Air carrier
Aircraft: N455AW
Make and model: Cndair CL6002B19
Aircraft serial: 7848
Aircraft time: 31,874 hours, 30,663 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: O-Ring
Condition: Leaking
Location: Hyd Pump
Stage of operation: CR
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.