Service difficulty report · Pump · Boeing 757223

Difficulty date
March 20, 2010
Submitted
October 22, 2010
Operation
Air carrier
Aircraft
N699AN
Make and model
Boeing 757223
Aircraft serial
27051
Aircraft time
48,954 hours, 16,661 cycles
Part
Pump
Condition
Leaking
Location
Rt Engine
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

DFW - DURING CRUISE, CREW NOTED SEVERAL EICAS MESSAGES RELATING TO RIGHT HYDRAULIC QUANTITY, RIGHT HYDRAULIC PUMP, AND RIGHT HYDRAULIC PRESSURE. EMERGENCY DECLARED LANDED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND LEAK IN FILTER MODULE AREA OF RIGHT ENGINE PYLON. REPLACED RIGHT ENGINE HYDRAULIC PUMP AND CASE DRAIN/PRESSURE FILTERS. SYSTEM GROUND CHECK NORMAL OPERATION.