Service difficulty report · Pump · Boeing 747238B

Difficulty date
October 11, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N165UA
Make and model
Boeing 747238B
Aircraft serial
21658
Engine
Pwa JT9D7J
Part
Pump
Part number
65066
Condition
Leaking
Location
Nr 4 Hyd Syst
Stage of operation
CR
Nature of condition
K, J
Precautionary procedure
A

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

What was found

LOST NR 4 HYDRAULIC SYSTEM FLUID. *S/D* FOUND HYDRAULIC FLUID LEAKED FROM ENGINE DRIVEN PUMP. REPLACED ENGINE DRIVEN PUMP, CASE DRAIN FILTER AND PRESSURE FILTER.