SDR 2022F00187

Service difficulty report · Fire Loop · Lear 55LEAR

Difficulty date
April 9, 2022
Submitted
April 14, 2022
Operation
General aviation
Aircraft
N277AL
Make and model
Lear 55LEAR
Aircraft serial
55104
Aircraft time
17,497 hours, 15,894 cycles
Part
Fire Loop
Condition
Activated
Location
Zone 400
Stage of operation
CL
How discovered
V
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

ON THE MORNING OF MARCH 9TH 2022, LEAR 55 N277AL DEPARTED KMAF. ON CLIMB APPROACHING 10,000 FT, THE LH ENGINE FIRE LIGHT FLASHED. THE CAPTAIN SCANNED THE ALL OF THE ENGINE INSTRUMENTS AND NOTICED THE LH ENGINE EGT WAS APPROACHING 930 DEGREES. THE CAPTAIN REDUCED POWER AND CONTACTED ATC TO REQUEST A RETURN TO MAF. AFTER ANOTHER SCAN OF ENGINE INSTRUMENTS, THE EGT HAD DROPPED BUT THEN THE FIRE LIGHT FLASHED AGAIN. HE THEN PULLED THE FUEL SHUT OFF AND SHUT THE LH ENGINE DOWN THEN DECLARED AN EMERGENCY. THE AIRCRAFT LANDED SAFELY AT MAF WITH NO OTHER ISSUES. THE CREW INSPECTED THE LH ENGINE COWLING AND PYLON THERE WAS NO SIGN OF FIRE OR OVER TEMP. THE AIRCRAFT WILL REMAIN AT MAF UNTIL AN ATI MAINTENANCE CREW CAN BE DISPATCHED FOR THE R&R OF THE LH ENGINE.