Service difficulty report · Autopilot Sys · Doug DC873F

Difficulty date
July 31, 2001
Submitted
August 1, 2001
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Part
Autopilot Sys
Part number
2588789901
Condition
Malfunctioned
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
K

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

What was found

AUTOPILOT DOES UNCOMMANDED DISENGAGE, WILL NOSE DOWN WITH ATTEMPTED REENGAGE. TRIM NORMAL AFTER DISENGAGE. REPLACED AUTOPILOT PITCH CHANNEL OPS CHECKS GOOD IAW DC8 MM 22-13-1 PN ON 2588789-901 S/N ON 0180236.

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