Service difficulty report · Brake · Boeing 747123

Difficulty date
March 2, 2007
Submitted
March 2, 2007
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
System (JASC)
3242 · Brake
Part
Brake
Condition
Stiff
Location
Mlg
Stage of operation
TX
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

BTB - APPLIED MAX BRAKING EFFORT AT 15 KNOTS GROUND SPEED. A/C CAME TO A SLOW GENTLE STOP. BRAKE PEDAL TRAVEL AND RESISTANCE IS INCONSISTANT WITH NORMAL BRAKING FEEL. T/S HYD BRAKE SYS IAW MM 32-41-00. CLEANED AND LUBED CABLE QUADRANTS. OPS CHECK NORMAL. A/C HAS NORMAL RESPONSE METERING VALVES INSTALLED.