Service difficulty report · Pump · Cvac 440

Difficulty date
July 25, 2001
Submitted
August 14, 2001
Operation
General aviation
Make and model
Cvac 440
Aircraft time
66,346 hours
Engine
Allsn 501D13
Part
Pump
Part number
EA501828
Condition
Failed
Location
Hyd System
Stage of operation
DE
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

(CAN) EMERGENCY LANDING WITH SMOKE IN COCKPIT. FOUND ELECTRIC HYDRAULIC PUMP BYPASSING THRU CASE DRAIN AND PUMP DEVELOPING 2,700 PSI ONLY. AFTER INSPECTION AIRCRAFT WAS FERRIED TO MAINTENANCE BASE WITH GEAR DOWN AND PUMP OFF. AC PUMP REPLACED. MULTIPLE GEAR RETRACTION C/O AND FLAP MOVEMENT USING AC HYDRAULIC PUMP. PRESSURE AND TEMPERATURE WITHIN LIMIT. AIRCRAFT RETURN TO SERVICE.