Service difficulty report · Pump · Boeing 75724APF

Difficulty date
November 21, 2001
Submitted
November 26, 2001
Operation
Air carrier
Aircraft
N453UP
Make and model
Boeing 75724APF
Aircraft serial
25474
Part
Pump
Condition
Leaking
Location
Lt Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

INSPECTION TYPE:N/A LOST LT HYDRAULIC QTY IN FLIGHT LEFT HYD SYS FAILURE IN FLT (LOW QTY) PUMPS ON, NO FLUID FOR 5 MIN. PUMPS OFF FOR 37 MIN, NO FLUID FOR 37 MIN. REPLACED EDP PER MM 29-11-05. OPS CHECK AND LEAK CHECK GOOD. HYD LINES AT PUMP FLUSHED. REPLACED CASE DRAIN AND PRESS FILTERS. SERVICED SYSTEM AND RAN LT ENG. REPLACED CASE DRAIN AND PRESS FILTERS PRECAUTIONARY (FILTERS BOTH TIMES WERE CLEAN) AGAIN. LEAK CHECK GOOD. ALL WORK PERFORMED FOR LT SYS.

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