SDR EIAA980227

Service difficulty report · Fire Loop · Boeing 747273C

Difficulty date
July 13, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N470EV
Make and model
Boeing 747273C
Aircraft serial
20653
Part
Fire Loop
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
IN
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

CTS - AFTER TAKEOFF NR 1 ENGINE A LOOP OFF-SCALE WITH FAULT LIGHT ILLUMINATED. SWITCHED TO B LOOP, TESTED NORMAL. THEN IN CRUISE B LOOP INDICATED FAULT. PERFORMED IN FLIGHT SHUTDOWN. OIL PRESSURE NOT BELOW 10 PSI. REPAIRED B LOOP UPPER ELEMENT CONNECTOR, OPS CHECKED GOOD PER MM 26-11-0. REPLACED A-13 CARD DUE TO PRECAUTIONARY MEASURE. PERFORMED WINDMILL INSPECTION PER MM 72-00-00, NO DEFECTS NOTED. (M)