Service difficulty report · Actuator · Bombdr DHC8402

Difficulty date
February 23, 2018
Submitted
February 26, 2018
Operation
Air carrier
Aircraft
N400QX
Make and model
Bombdr DHC8402
Aircraft serial
4030
Aircraft time
39,515 hours, 41,505 cycles
Part
Actuator
Part number
C1486592
Part serial
1166
Condition
Malfunctioned
Location
Rt Te Flaps
Part time
32,750 hours, 33,773 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J, F
Precautionary procedure
L

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

What was found

ON FINAL APPROACH WHILE SELECTING FLAPS 5, THE FLAP INDICATOR, INDICATED BETWEEN 0 DEGREES AND 5 DEGREES AND THE FLAP DRIVE CAUTION LIGHT ILLUMINATED. AFTER RUNNING THE E/A CHECKLIST AND PUTTING THE FLAPS TO 0 DEGREES, THE FLAPS RETRACTED NORMALLY AND THE FLAP DRIVE CAUTION EXTINGUISHED. PERFORMED A GO-AROUND. ON SUBSEQUENT APPROACH, THE FLAPS EXTENDED TO 35 DEGREES NORMALLY AND A NORMAL LANDING WAS ACCOMPLISHED. REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 2 FLAP ACTUATOR IAW 27-52-16-000-801, AND 27-52-16-400-801, OPS AND FUNCTIONAL CHECKED GOOD, NO DEFECTS NOTED. RETURNED TO SERVICE.