Service difficulty report · Valve · Boeing 7272Q9

Difficulty date
July 22, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Part
Valve
Part number
AV24E1144
Condition
Failed
Location
Parking Brake
Stage of operation
CR
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

AFTER DEPARTURE OUT OF PHX, WHEN PLACING GEAR LEVER FROM UP TO OFF, RED PARKING BRAKE ILLUMINATED. SHORTLY THEREAFTER BOTH ANTI SKIN INOP LIGHTS ILLUMINTED. ABOUT 3 MIN LATER FAIL WARNING PARKING BRAKE C/B POPPED. RESET AND POPPED AGAIN. REMOVED AND REPLACED PARKING BRAKE SHUT OFF VALVE.

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