Service difficulty report · Fire Loop · Boeing 767322

Difficulty date
September 18, 2008
Submitted
September 24, 2008
Operation
Air carrier
Aircraft
N647UA
Make and model
Boeing 767322
Aircraft serial
25284
Aircraft time
71,113 hours, 11,614 cycles
Engine
Pwa PW4060
Part
Fire Loop
Condition
Faulty
Location
Nr 1 Nacelle
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

L ENG FIRE LOOP 1 ON STATUS PAGE AND FIRE-OVHT SYS ON EICAS, ABORTED TAKEOFF AT 63 KNOTS. RESISTANCE HIGH AT CARD M681 PINS 19 & 20. CHECKED ENG 1 LOOPS . LOOPS OK. FOUND BAD LUG ON FWD BOTTOM LOOP. REPLACED LUG. RESISTANCE CHECKS NORMAL. SYSTEM TESTED OK.