Service difficulty report · Spoiler Sys · Bombdr DHC8402

Difficulty date
August 1, 2020
Submitted
August 3, 2020
Operation
Air carrier
Aircraft
N402QX
Make and model
Bombdr DHC8402
Aircraft serial
4032
Aircraft time
44,411 hours, 47,034 cycles
Part
Spoiler Sys
Condition
Malfunctioned
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

ON CLIMB OUT ACCELERATING THROUGH APPROX 190KIAS, THE "SPOILER OUTBD" CAUTION LIGHT ILLUMINATED. PER EA CHECKLIST MAINTAINED MAX 200KIAS AFTER LEVEL OFF AT FL240, THE CAUTION LIGHT EXTINGUISHED AND NEVER ILLUMINATED AGAIN. REMOVED FROM SERVICE. NO FCS FAULTS FOUND IN CDS PRESENT FAULTS. NO RELATED FAULTS IN HISTORY. PERFORMED OPS CHECKS OF ROLL SPOILER SYSTEM REF AMM TASK 27-61-00-710-801, NO DEFECTS NOTED. RAN AIRSPEED FROM 160KTS TO 190KTS REPEATEDLY WHILE MAKING ROLL SPOILER INPUTS, NO CAUTION LIGHT NOTED AT SPEED CUT-OVER TO INBD SPOILERS ONLY. REMOVED AND REPLACED PRESSURE SWITCH FOR OUTBD ROLL SPOILERS REF AMM TASK 27-61-28-000-801 AND 27-61-28-400-801 AS A PRECAUTIONARY MEASURE. OPS AND LEAK CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.