Service difficulty report · Pump · Boeing 74747UF

Difficulty date
February 11, 2007
Submitted
February 27, 2007
Operation
Air carrier
Aircraft
N409MC
Make and model
Boeing 74747UF
Aircraft serial
30558
Aircraft time
28,623 hours, 4,395 cycles
Engine
Ge CF680C2B2
Engine time
32,382 hours, 4,845 cycles
Part
Pump
Part number
4205401
Part serial
179339
Condition
Unserviceable
Location
Hyd System
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

HYD QTY LOW NR 2 EICAS MSG QTY 0. FOUND HYD FLUID LEAKING FROM NR 2 EDP (FLUID STILL IN SYSTEM). REMOVED AND REPLACED NR 2 EDP PER MM 29-11-08, OPS, LEAK CHECK OK AND ALL INDICATION ON PRESSURE NORMAL. REMOVED AND REPLACED NR 2 CASE DRAIN FILTER PER MM 29-11-14 CHECKED OK PER MM 29-11-14.

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