Service difficulty report · Computer · Lear 60LEAR

Difficulty date
July 18, 2024
Submitted
July 21, 2024
Operation
General aviation
Aircraft
N198H
Make and model
Lear 60LEAR
Aircraft serial
60198
Aircraft time
12,562 hours, 8,685 cycles
Part
Computer
Part number
501170802
Condition
Intermittent
Location
Nlb Steering
Part time
12,568 hours, 8,688 cycles
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

ON THE MORNING OF 7/18/2024, N198HB FLIGHT # CYO198, WAS DEPARTING KBCT. ON TAKEOFF ROLL, THE CAPTAIN REPORTED THE AIRCRAFT SUDDENLY REQUIRED EXTRA LEFT RUDDER INPUT TO KEEP THE AIRCRAFT STRAIGHT. HE ADDED MORE TO ATTEMPT THE TAKEOFF BUT DECIDED TO ABORT. HE FELT IT WAS TOO MUCH, SOMETHING WAS WRONG WITH THE STEERING SYSTEM. HE TAXIED SAFELY BACK TO THE FBO ALSO NOTICING EXTRA LEFT RUDDER WAS NEEDED TO KEEP THE AIRCRAFT STRAIGHT. HE STATED THAT THE LANDING/TAXI INTO KBCT WAS NORMAL. LOCAL MAINTENANCE WAS SET UP TO CHECK THE AIRCRAFTS STEERING SYSTEM. ANOTHER TAXI/FUNCTIONAL CHECK WAS COMPLETED AND WHAT THE CAPTAIN EXPERIENCED WAS VERIFIED. A RE CALIBRATION OF THE NOSE WHEEL STEERING COMPUTER WAS COMPLETED. THE AIRCRAFT WAS TAXI CHECKED AGAIN AND STEERING FUNCTIONS WERE ALL NORMAL. THE AIRCRAFT HAD AN EMPTY REPOSITION FLIGHT THAT WAS COMPLETED WITH NO ISSUES REPORTED. IT HAS COMPLETED TWO MORE FLIGHTS WITH NO OTHER STEERING ISSUES REPORTED.