Service difficulty report · Hydraulic System · Boeing 747121

Difficulty date
July 1, 2003
Submitted
July 7, 2003
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Part
Hydraulic System
Condition
Failed
Location
Nr 2
Stage of operation
CL
How discovered
O
Nature of condition
S
Precautionary procedure
A

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

What was found

ATB - NR 2 HYD SYSTEM FAILURE. REMOVED & REPLACED NR 2 EDP AS REQUIRED DUE TO OVERHEAT IAW MM 29-11-05. OPS & LEAK CHECK REQUIRED. RAN NR 2 ENG FOR LEAK CHECK OF NR 2 HYD (EDP) PUMP GROUND CK'S NORMAL. OK FOR SERVICE. HYD PRESSURE CHECK NORMAL.