Service difficulty report · Control Unit · Bombdr DHC8402

Difficulty date
August 12, 2010
Submitted
August 16, 2010
Operation
Air carrier
Aircraft
N419QX
Make and model
Bombdr DHC8402
Aircraft serial
4145
Aircraft time
9,241 hours, 9,925 cycles
Part
Control Unit
Part number
6007045
Part serial
OCT060188
Condition
Malfunctioned
Location
Anti Skid Sys
Part time
9,241 hours, 9,925 cycles
Stage of operation
LD
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

BRAKES ARE INEFFECTIVE WHEN USED WITH HEAVY BRAKING. UPON IMMEDIATE INSP, FOUND THE OTBD BRAKES TO BE MUCH COLDER THAN THE INBD, THE CDS REVEALED NO FAULTS. R & R THE ANTI-SKID CONTROL UNIT AS A PRECAUTIONARY MEASURE IAW AMM TASKS 32-46-01-000-801 & 32-46-01-400-801, FUNCTIONAL TEST GOOD. TAXIED ACFT & PERFORMED MANY BRAKE APPLICATIONS. ALL 4 BRAKES WERE WARM AFTER TAXING. RETURNED TO SERVICE.