Service difficulty report · Connector · Boeing 777222

Difficulty date
February 22, 2007
Submitted
February 27, 2007
Operation
Air carrier
Aircraft
N771UA
Make and model
Boeing 777222
Aircraft serial
26932
Aircraft time
45,210 hours, 8,802 cycles
Engine
Pwa PW4077
Part
Connector
Condition
Burned
Location
Rt Mlg Ww
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

CONNECTOR DM29311A BURNED FOR THE NR 2 ACMP (CENTER PUMP) RIGHT WHEEL WELL. PUMP REPLACED. CONNECTOR IS TAPED AND TIED OFF IN THE AREA. REPLACED CONNECTOR AND PINS. SYSTEM OP CHECKS OK FOR SERVICE. SUSPECT PUMP ARMATURE DETERIORATION CAUSED GREATER THAN NORMAL CURRENT FLOW, RESULTING IN BURNED CONNECTOR.