Service difficulty report · Shuttle Valve · Bombdr DHC8402

Difficulty date
August 11, 2012
Submitted
August 13, 2012
Operation
Air carrier
Aircraft
N424QX
Make and model
Bombdr DHC8402
Aircraft serial
4006
Aircraft time
24,759 hours, 22,401 cycles
Engine
Pwc PW150A
Part
Shuttle Valve
Part number
60070511
Part serial
AUG01406
Condition
Inoperative
Location
Brake System
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

SPONGY BRAKES. BRAKING IS EQUAL, NO PULLING LT OR RT. BLED ALL FOUR BRAKES WITH MAIN BRAKE SYSTEM IAW AMM TASK 32-42-00-870-801. DURING BLEED PROCESS, FOUND NR 2 FUSE /SHUTTLE VALVE APPEARED TO BE INOPERATIVE. REPLACED NR 2 BRAKE FUSE /SHUTTLE VALVE IAW AMM TASKS 32-42-11-000-801 AND 32-42-11-400-801. LEAK CHECKED GOOD.