Service difficulty report · Autopilot Sys · Lear 35A

Difficulty date
January 8, 2018
Submitted
May 29, 2018
Operation
Air carrier
Aircraft
N995DP
Make and model
Lear 35A
Aircraft serial
35A600
Aircraft time
13,842 hours, 10,542 cycles
Part
Autopilot Sys
Condition
Malfunctioned
Stage of operation
NR
How discovered
O
Nature of condition
F
Precautionary procedure
B, J, A

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

What was found

AUTOPILOT CREATING ERATIC MOVEMENTS IN THE FLIGHT CONTROL COLUMN WHEN ENGAGED IN NAV OR HEADING MODE. ALSO OCCURS WITH ALTITUDE HOLD ON. CONTROL WHEEL MOVES RAPIDLY LEFT/RIGHT IN A ROCKING MOTION.

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