Service difficulty report · Pump · Boeing 757222

Difficulty date
October 31, 2010
Submitted
November 5, 2010
Operation
Air carrier
Aircraft
N596UA
Make and model
Boeing 757222
Aircraft serial
28749
Aircraft time
50,193 hours, 14,009 cycles
Engine
Pwa PW2037
Part
Pump
Part number
1B30517913
Part serial
702
Condition
Leaking
Location
Nr 1 Engine Oil
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

EXCESSIVE OIL DRIPPING FROM NR1 ENG COWL. RAN ENG AND FOUND A PIN HOLE IN THE FWD OTBD SECTION OF THE OIL PUMP SPRAYING OIL. APPROX 1 IN FWD OF THE SCAVENGE OUT LINE. REPLACED LUBE AND SCAVENGE PUMP. RAN NR1 ENG, NO LEAKS NOTED. FOUND LT RUDDER PCA LEAKING FROM FWD END. REPLACED ACTUATOR.