Service difficulty report · Control Unit · Bombdr BD7001A10

Difficulty date
February 6, 2018
Submitted
February 9, 2018
Operation
Air carrier
Aircraft
N146QS
Make and model
Bombdr BD7001A10
Aircraft serial
9615
Aircraft time
3,920 hours, 1,332 cycles
Part
Control Unit
Part number
GW41571257
Part serial
178
Condition
Failed
Location
Brakes
Part time
37 hours, 12 cycles
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

AFTER GEAR SELECTED DOWN, A BRAKE FAULT CAS MESSAGE AND AUTOBRAKE FAIL CAS MESSAGE ILLUMINATED. ON TOUCHDOWN THE LEFT BRAKE DRAGGED AND SHIMMIED. RIGHT BRAKE WAS USED TO STOP PLANE. REMOVED AND REPLACED THE LT OTBD BRAKE CONTROL VALVE AND BCU. OPS AND LEAKS CHECKED SATISFACTORY. WORK PERFORMED IAW AMM 32-43-09, & 32-43-13.