Service difficulty report · Pump · Swrngn SA227AC

Difficulty date
February 15, 2001
Submitted
March 13, 2001
Operation
Air carrier
Make and model
Swrngn SA227AC
Aircraft time
13,459 hours
Engine
Garrtt TPE33111U
Propeller
Mcauly 4HFR34C652
Part
Pump
Part number
PV304426
Condition
Worn
Location
Hyd System
Part time
2,020 hours, 2,235 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

(CAN) AFTER START HYDRAULIC PRESSURE WAS AT 0. PUMP REPLACED AND IT WAS FOUND THAT THE DRIVE SPLINES WERE WORN OUT ON THE HYDRAULIC PUMP. PUMP SPLINES ARE SOFTER THAN THE ENGINE DRIVE.