Service difficulty report · Pressure Switch · Boeing 767322

Difficulty date
June 27, 2013
Submitted
July 25, 2013
Operation
Air carrier
Aircraft
N664UA
Make and model
Boeing 767322
Aircraft serial
29236
Aircraft time
52,664 hours, 13,934 cycles
Engine
Pwa PW4056
Part
Pressure Switch
Condition
Faulty
Location
Fuel System
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

RIGHT CENTER FUEL PUMP RUNNING WITH ENGINE SHUTDOWN. ISSUE IS FUEL LOW PRESSURE RT INDICATION IN SWITCH ONLY. PUMP IS NOT RUNNING WITH SWITCH OUT AND SYS OPERATES NORMALLY. PERFORMED OPS CHECK OF CENTER BOOST PUMP, TRANSFERRED FUEL INTO CENTER TANK, OPS RT PUMP ALL INDICATIONS NORMAL. FAULT REOCCURRED. FOUND PRESSURE SWITCH AT FAULT, R & R PRESSURE SWITCH IAW AMM, NO DEFECTS NOTED AND MEL REMOVED.