Service difficulty report · Wire Harness · Lear 45LEAR

Difficulty date
May 28, 2007
Submitted
May 31, 2007
Operation
Air carrier
Aircraft
N611FX
Make and model
Lear 45LEAR
Aircraft serial
2037
Aircraft time
1,317 hours, 997 cycles
Engine
Alidsg TPE331201A
Engine time
1,317 hours, 997 cycles
Part
Wire Harness
Part number
30607572
Condition
Damaged
Stage of operation
CR
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

LEFT ITT IRRATIC DURING FLIGHT. ENGINE WAS SHUTDOWN IN FLIGHT. LEFT ITT IRRATIC DURING FLIGHT. ENGINE WAS SHUTDOWN IN FLIGHT. EMERGENCY DECLARED FOR LANDING. PILOT REPORTED THAT THE LEFT ITT EXCEEDED 1014* TWICE AND THE PILOT PERFORMED AN IN-FLIGHT SHUTDOWN. BOTH N1 INDICATIONS WERE MATCHED. BOTH FF INDICATIONS WERE MATCHED. PILOT FURTHER REPORTED THAT THE LEFT ITT INDICATION FOLLOWING ENGINE SHUTDOWN WAS 940* AND REMAINED SO UNTIL TOUCHDOWN. MX REVIEWED THE ECTM DOWNLOAD AND THE DEEC SAW THE ITT OUT OF RANGE. RECOMMENDED REPLACING THE ENGINE HARNESS PART NUMBER 3060757-1 OR -2. ENGINE HARNESS REPLACED AND GROUND POWER RUNS PERFORMED. NO FURTHER DEFECTS NOTED.