Service difficulty report · Hydraulic System · Boeing 737522

Difficulty date
April 29, 2004
Submitted
May 5, 2004
Operation
Air carrier
Aircraft
N924UA
Make and model
Boeing 737522
Aircraft serial
26645
Aircraft time
34,104 hours, 25,553 cycles
Engine
Ge CFM56*
Part
Hydraulic System
Condition
Malfunctioned
Location
A System
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FLIGHT RETURNED TO THE FIELD WITH A LOSS OF THE A SYSTEM HYDRAULIC PRESSURE. REPLACED THE NR 1 ENGINE DRIVEN HYDRAULIC PUMP.