Service difficulty report · Brake Sys · Bombdr DHC8402

Difficulty date
April 5, 2016
Submitted
April 8, 2016
Operation
Air carrier
Aircraft
N438QX
Make and model
Bombdr DHC8402
Aircraft serial
4243
Aircraft time
15,623 hours, 16,640 cycles
Part
Brake Sys
Part number
216052
Condition
Weak
Location
Mlg
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

ON LANDING FO NOTED THAT THE BRAKES DID NOT SEEM TO BE RESPONDING TO PEDAL INPUTS. CAPTAIN NOTICED THAT BRAKES DID NOT SEEM TO GRAB. AT THE GATE THE BRAKES FELT SPONGY. ACFT DID NOT PULL IN ANY DIRECTION. FOUND ALL BRAKES ROUGHLY THE SAME TEMPERATURE UPON ARRIVAL. TAXIED ACFT. CONFIRMED BRAKES SOMEWHAT WEAKER THAN NORMAL, GRABBY AND PEDALS A LITTLE SPONGY. C/W GVI OF PEDAL LINKAGE UNDER PANEL 121AL. NO DEFECTS NOTED. BLED ALL FOUR BRAKES IAW AMM 32-42-00-870-801. REMOVED AIR FROM ALL 4 BRAKE ASSEMBLIES. BRAKES 1 AND 3 HAD LARGER QUANTITIES OF AIR. TAXI TESTED ACFT. FOUND BRAKES WORKING NORMALLY FROM BOTH POSITIONS. NO FURTHER DEFECTS NOTED.