Service difficulty report · Brake Assy · Raythn HAWKER800XP

Difficulty date
September 3, 2007
Submitted
September 5, 2007
Operation
Air carrier
Aircraft
N885QS
Make and model
Raythn HAWKER800XP
Aircraft serial
258743
Aircraft time
1,457 hours, 1,004 cycles
Engine
Garrtt TFE7315BR
Part
Brake Assy
Condition
Malfunctioned
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

WHEN APPLYING BRAKES, LT BRAKE PRESSURE INDICATES 400 TO 500 PSI HIGHER THAN THE RT BRAKE PRESSURE INDICATION. RT BRAKE FEELS SPONGY AND MORE RT BRAKE TRAVEL IS REQUIRED WHEN BRAKING BOTH PEDALS. AT 80 KNOTS ON LANDING ROLL OUT LT BRAKE INDICATED 1000 PSI AND RT BRAKE INDICATED 500 PSI. ALSO, AT SLOW TAXI SPEEDS LT BRAKE INDICATES HIGHER PRESSURE THAN RT BRAKE. ACCOMPLISHED RT BRAKE BLEEDING IAW 800XP AMM 32-40-00. OPERATED BRAKES SEVERAL TIMES BOTH WITH RUDDER PEDALS AND PARKING BRAKE HANDLE. BRAKE FEEL AND PRESS INDICATION MATCH SIDE TO SIDE.