Service difficulty report · Brake Sys · Bombdr DHC8402

Difficulty date
March 27, 2010
Submitted
March 31, 2010
Operation
Air carrier
Aircraft
N417QX
Make and model
Bombdr DHC8402
Aircraft serial
4086
Aircraft time
15,378 hours, 15,201 cycles
Engine
Pwc PW150A
Part
Brake Sys
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

BRAKES INEFFECTIVE DURING LANDING W/A/C WEIGHT AROUND 61,000 LBS. BRAKES ARE SLIGHTLY MORE EFFECTIVE AT LOWER WEIGHTS. MODERATE BRAKING WAS APPLIED AT THE HIGHER WEIGHT FOR APROX 4,000' WITH A LITTLE EFFECTIVENESS. ON THE POST FLIGHT BRAKES FELT COLD. PERFORMED FUNCTIONAL TEST OF MLG BRAKING AND ANTI SKID SYS. NO DEFECTS NOTED, PERFORMED OPS CHECK OF BRAKE FUSE/SHUTTLE VALVES SYS NO DEFECTS NOTED, PERFORMED BRAKE BLEED OF 1-4 BRAKES , NO AIR IN LINES NOTED. PERFORMED TAXI , APPLIED BRAKES AT MORE AGGRESSIVE RATE THAN NORMAL, NO DEFECTS NOTED. DURING BRAKING EQUAL WITH NO PULLING. ACFT CLEARED FOR RETURN TO SERVICE. NO PARTS REPLACED.