Service difficulty report · Unknown · Doug DC983

Difficulty date
March 30, 2016
Submitted
April 1, 2016
Operation
Air carrier
Aircraft
N418NV
Make and model
Doug DC983
Aircraft serial
49615
Aircraft time
56,677 hours, 47,717 cycles
Part
Unknown
Condition
Not Reported
Location
Autolpilot Sys
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

ON CLIMB OUT WITH DFGS SWITCH ON NR 1 POSITION FLIGHT & DIRECTOR FAILED ON NR 1 SIDE WITH A BLANK FMA DISPLAY AUTOPILOT & AUTO THROTTLE FAIL. RAN QHR 31.3 & 31.8, LOST NR 2 FMA & FLIGHT DIRECTOR WHEN DFGS SWITCHED TO NR 2. FMA & FLIGHT DIRECTOR RETURNED AT 1000 FT. ALL PERFORMED WORK ORDERS 00294046 & 00294157. PERFORMED RTS TEST TO BOTH DFGC 1 & 2 BOTH PASSED GO IAW 22-01-05. OPERATED AP 1 & 2, FLIGHT DIRECTORS 1 & 2, SYS OPERATED NORMAL IAW 22-01-01 & WDM 22-16-11 PGS 1 - 4.

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