Service difficulty report · Wire Harness · Lear 45LEAR

Difficulty date
May 28, 2007
Submitted
July 16, 2007
Operation
Air carrier
Aircraft
N611FX
Make and model
Lear 45LEAR
Aircraft serial
2037
Aircraft time
1,317 hours, 997 cycles
Engine
Garrtt TFE7312
Engine time
1,317 hours, 997 cycles
Part
Wire Harness
Part number
30607572
Condition
Unknown
Location
Itt Indicator
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

PILOT REPORTED THAT THE LT ITT EXCEEDED 1014 DEGREES TWICE AND THE PILOT PERFORMED AN IN-FLIGHT SHUTDOWN. BOTH N1 INDICATIONS WERE MATCHED. BOTH FF INDICATIONS WERE MATCHED. PILOT FURTHER REPORTED THAT THE LT ITT INDICATION FOLLOWING ENGINE SHUTDOWN WAS 940 DEGREES AND REMAINED SO UNTIL TOUCHDOWN. MX REVIEWED THE ECTM DOWNLOAD AND THE DEEC SAW THE ITT OUT OF RANGE. HE RECOMMENDS REPLACING THE ENGINE HARNESS PN 3060757-1 OR -2. ENGINE HARNESS REPLACED AND GROUND POWER RUNS PERFORMED. NO FURTHER DEFECTS NOTED.