Service difficulty report · Pump · Airbus A310324

Difficulty date
May 14, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Airbus A310324
Engine
Pwa PW4152
Part
Pump
Part number
6506606
Condition
Failed
Location
Nr 2 Hyd
Stage of operation
CR
Nature of condition
G, K
Precautionary procedure
H

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

What was found

(CAN) DURING CRUISE ECAM INDICATION OF LOW PRESSURE ON THE #2 HYDRAULIC PUMP FROM THE GREEN SYSTEM. PUMP SELECTED OFF. SHORTLY AFTER CREW NOTICED THE GREEN SYSTEM QUANTITY DECREASING AND SUBSEQUENT ECAM WARNING. AFTER LANDING, INVESTIGATION REVEALED THAT THE #1 AND #2 PUMPS HAD FAILED. THE #2 RETURN FILTER AND H.P. FILTER WERE OKAY EXCEPT THE CASE DRAIN HAD A FEW PARTICLES OF BRASS. THE #1 PUMP HAD CRACKED AT THE AFT PLATE FACE CAUSING FLUID LOSS AND THE #2 PUMP FAILURE. BOTH PUMPS SENT TO AIR FRANCE FOR INVESTIGATION.

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