SDR GTIA010466

Service difficulty report · Autothrust Sys · Doug DC982

Difficulty date
May 31, 2001
Submitted
June 19, 2001
Operation
Air carrier
Aircraft
N812NK
Make and model
Doug DC982
Aircraft serial
48021
Part
Autothrust Sys
Condition
Malfunctioned
Location
Cockpit
Stage of operation
CR
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

FLT 1268 - ACY - AUTO THROTTLES DISCONNECTED WITHOUT COMMAND. TRIED TO RE-ENGAGE AND WOULD NOT STAY ENGAGED. SWITCHED TO NR 2 DFGC AND CADC BOTH ON 2 AND AUTOTHROTTLES REMAINED ENGAGED FOR A WHILE. DURING CLIMB, THE FMA SWITCHED BETWEEN EPR CLIMB CLAMP. ALSO, A/C WOULD NOT CLIMB AT THE SAME SPEED THAT WAS SELECTED IN THE IAW/MACH ANNUNCIATOR. SWITCHED FO CMD TO BOTH ON NR 1 AND CADC BOTH ON NR 2, AND DFGC ON NR 2 AND ALL SYSTEMS WORKED NORMAL. PERFORMED DFGC 1 AND 2 RETURN TO SERVICE CHECK IAW MC-80 MM 22-01-05. NO FAULT FOUND AND SYSTEMS OPS CHECK GOOD. (M)

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