Service difficulty report · Pressure Switch · Cessna 560CESSNA

Difficulty date
July 31, 2007
Submitted
August 1, 2007
Operation
Air carrier
Aircraft
N361QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600361
Aircraft time
10,789 hours, 8,667 cycles
Engine
Pwa JT15D5
Part
Pressure Switch
Condition
Malfunctioned
Location
Mlg Brakes
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON FINAL APPROACH THE BRAKE LOW PRESSURE AND ANTI SKID INOP LIGHT ANNUNCIATORS ILLUMINATED FOR ABOUT 10 SECONDS AND THEN EXTINGUISHED. DURING TAXI THE LIGHTS ILLUMINATED AGAIN AND BOTH THE CAPTAIN AND F/O BRAKES BECOME EXTREMELY MUSHY. AFTER ABOUT 10 SECONDS THE BRAKE PUMP CYCLED AND BRAKE PRESSURE WAS RESTORED. REMOVE & REPLACE BRAKE SYSTEM HIGH/LOW PRESSURE SWITCH. OPS & LEAK CHECKS GOOD IAW CE560MM 32-42-00.