Service difficulty report · Relay · Boeing 757222

Difficulty date
September 29, 2013
Submitted
October 2, 2013
Operation
Air carrier
Aircraft
N551UA
Make and model
Boeing 757222
Aircraft serial
25399
Aircraft time
82,377 hours, 23,813 cycles
Engine
Pwa PW2037
Part
Relay
Condition
Failed
Location
Fuel System
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

RT CENTER TANK FUEL PUMPS AUTOMATIC SHUT OFF SYSTEMS INOPERATIVE. IAW AUTOMATIC SHUT OFF FUNCTIONAL TEST THE RT CENTER FUEL AUTOMATIC FUNCTION SHUT OFF IN 4 SECONDS, THE LIMIT IS 15 PLUS OR MINUS 3 SECONDS. REPLACED RT OVERRIDE PUMP AUTOMATIC SHUT OFF TIME DELAY RELAY K10871 IAW WDM 28-22-11. OPERATIONS CHECKED TO BE ACCOMPLISHED IN SMC3.