Service difficulty report · Control Unit · Boeing 72782C

Difficulty date
April 18, 2001
Submitted
April 18, 2001
Operation
Air carrier
Aircraft
N709DH
Make and model
Boeing 72782C
Aircraft serial
19968
Part
Control Unit
Part number
25858043
Part serial
1130148
Condition
Malfunctioned
Location
Autopilot
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
H

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

What was found

ANYTIME THE AUTOPILOT ELEVATOR IS ENGAGED IN A SYSTEM MODE, THE AIRCRAFT PITCHES ERATICALLY UP AND DOWN. R / R PITCH CHANNEL CONTROL IAW MM 22-11-01. SECURITY CHECK IS GOOD. STATUS-CLOSED.

More about the Boeing 727-82C