Service difficulty report · Warning System · Doug DC983

Difficulty date
October 10, 2015
Submitted
October 12, 2015
Operation
Air carrier
Aircraft
N891GA
Make and model
Doug DC983
Aircraft serial
49423
Aircraft time
58,896 hours, 50,828 cycles
Part
Warning System
Condition
Activated
Location
Cockpit
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

FLAP SETTING AT 24' FOR TAKEOFF, RESULTED IN GEAR WARNINGS AFTER LIFTOFF UNTIL SELECTED UP. POSITIONED ACFT ON JACKS IAW AMM 07-11-00, SET FLAPS TO 24, GEAR DOWN THROTTLES AT IDLE, NO WARNINGS AURAL OR VISUAL NOTED. RETRACTED LG, FLAP 24' THROTTLES AT IDLE, GEAR WARNINGS SOUNDED. CANCELED WARNINGS WITH GEAR HORN OFF SWITCH. POSITIONED THROTTLES FWD, RETURNED TO IDLE, GEAR WARNINGS SOUNDED. POSITIONED THROTTLES FWD WARNINGS STOPPED. EXTENDED GEAR, RETARDED THROTTLES, NO WARNINGS SOUNDED. EXTENDED FLAPS TO SEVERAL POSITIONS, NO WARNINGS SOUNDED. OPERATIONALLY CHECKED GOOD IAW AMM 32-60-00 SECTION 1 A - E. SEE LOG PAGE 594809 FOR OTHER MX PERFORMED. CHECKED CONTINUITY OF LT & RT THROTTLE LG WARNING SWITCHES, CHECKED GOOD, SWITCHES OPERATED NORMALLY IAW WDM 32-61-00.

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