Service difficulty report · Autopilot Sys · Bombdr DHC8402

Difficulty date
February 22, 2019
Submitted
February 25, 2019
Operation
Air carrier
Aircraft
N435QX
Make and model
Bombdr DHC8402
Aircraft serial
4232
Aircraft time
23,993 hours, 25,744 cycles
Part
Autopilot Sys
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FLIGHT CREW EXPERIENCED 1 UNCOMMANDED AUTO PILOT DISENGAGE, 1 FAILURE TO CAPTURE ALT WHEN ALT SEL SELECTED, AND 1 UNCOMMANDED ALT OFF AFTER ALT CAPTURE. PLACED ON MEL 34-60-1B. C/W FIM 22-11-00-810-880 FOR AP DISENGAGE, AND INTEROGATED CDS PER AMM 45-00-34-742-801 FOR AP AND FD FAULTS, NONE FOUND. C/E HGS RTS PER MTC 6343510 CLEAR MEL.