SDR 037181

Service difficulty report · Pump · Saab SF340A

Difficulty date
November 20, 2003
Submitted
November 21, 2003
Operation
Air carrier
Aircraft
N157SD
Make and model
Saab SF340A
Aircraft serial
157
Engine
Ge CT75A2
Propeller
Rotol R3894123F25
Part
Pump
Condition
Failed
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

DURING CLIMBOUT FROM YIP WITH HYDRAULIC PUMP FAILED WHILE IN OVERRIDE, IN OVERRIDE DUE TO HYD PUMP AUTO MODE MEL. GEAR WAS NOTED UP AND LOCKED WITH THE GEAR TRANSIT LIGHT STILL ILLUMINATED. CREW CYCLED PUMP SWITCH AND C/B. THE PUMP WAS STILL INOPERATIVE. THE CREW THEN FOLLOWED THE QRH AND MANUALLY PUMPED THE SYSTEM PRESSURE UP TO OPERATIONAL PRESSURE. THE A/C LANDED AND TAXIED TO A SAFE POSITION WHERE MX COULD PIN THE GEAR AND SAFELY TOW THE A/C.

More about the Saab SF340A