Service difficulty report · Lever · Boeing 757222

Difficulty date
August 20, 2010
Submitted
August 20, 2010
Operation
Air carrier
Aircraft
N593UA
Make and model
Boeing 757222
Aircraft serial
28144
Aircraft time
45,368 hours, 16,962 cycles
Engine
Pwa PW2040
Part
Lever
Part number
530783
Condition
Faulty
Location
Speed Brake
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

SPEED BRAKE HANDLE FORCES OUT OF LIMITS. SPEED BRAKE LEVER STIFF TO OPERATE. NEED TO TROUBLESHOOT THE SPEED BRAKE. FOUND THE PULL FORCE ON THE SPEED BRAKE HANDLE AT 16LBS. MAXIMUM PULL FORCE IS 6LBS. THIS IS OUT OF LIMITS. CHECKED SPEED BRAKE LINKAGE AND FOUND NO BRAKE CLUTCH IS DRAGGING. R & R SPEEDBRAKE, NO BACK CLUTCH IAW MM AND R &R LT BLACK SPEEDBRAKE LVDT. PERFORMED LVDT ADJMNT TEST, AUTOSPEED BRAKE TST, SPDBRK MECHB TEST & SPD BRK LEVER FORCE TST. ALL OPS TEST CHECKED GOOD.