Service difficulty report · Valve · Boeing 757225

Difficulty date
November 6, 2012
Submitted
November 6, 2012
Operation
Air carrier
Aircraft
N942FD
Make and model
Boeing 757225
Aircraft serial
22612
Aircraft time
67,177 hours, 23,924 cycles
Part
Valve
Part number
274N10059
Part serial
1162
Condition
Inoperative
Location
Park Brake Sys
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

PARKING BRAKE TAKES EXCESSIVE AMOUNT OF PRESSURE TO REACH "DETENT". ACFT WILL STILL MOVE WITH "PARKING BRAKE" LIGHT ON EICAS. R & R THE PARK BRAKE VALVE.