Service difficulty report · Control Valve · Bombdr BD7001A12

Difficulty date
August 4, 2025
Submitted
August 5, 2025
Operation
Air carrier
Aircraft
N177QS
Make and model
Bombdr BD7001A12
Aircraft serial
70106
Aircraft time
2,769 hours, 916 cycles
Part
Control Valve
Condition
Faulted
Location
Zone 700
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

WHEN WE PUT THE LANDING GEAR DOWN RECIEVED AN ICAS MESSAGE. AUTO BRAKE FAIL AND BRAKE 50% DEGRADE. THE MESSAGEFROM THE MX LOG SAID RIGHT OUT BOARD BRAKE CONTROL VALVE CONTROL ERROR. FAULT CODE 32-43-00. SEE PICTURES TECHS REMOVED THE RH OUTBOARD BRAKE CONTROL VALVE AND INSTALLED AN OPERATOR SUPPLIED REPAIRED BRAKE CONTROL VALVE. OPS CHECKS GOOD LEAK CHECK GOOD. NO FURTHER DISCREPANCIES NOTED. WORK PERFOMRED PER GL-7500 AMP BD700-A-J32-43-07-000AA-520A/720A-A