Service difficulty report · Valve · Bombdr DHC8402

Difficulty date
January 4, 2011
Submitted
January 10, 2011
Operation
Air carrier
Aircraft
N420QX
Make and model
Bombdr DHC8402
Aircraft serial
4147
Aircraft time
9,848 hours, 10,740 cycles
Engine
Pwc PW150A
Part
Valve
Part number
4100S00504
Part serial
3392
Condition
Failed
Location
Zone 300
Part time
7,406 hours, 8,129 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

DEICE PRESS CAUTION ILLUMINATED IN FLIGHT BOTH BOOTS ON RT HORIZ STAB ILLUMINATED AT SAME TIME. DEICE PRESSURES NORMAL ON ALL CYCLES. INTERROGATED CDS ICE & RAIN PAGE & FOUND LOW PRESSURE 5B FAIL MESSAGE. C/W FIM TASK 30-10-00-810-814. INSPECTED RT INBD HORIZ STAB L/E- NO DEFECTS NOTED. R & R DDV NR5 IAW TASKS 30-11-16-000-801 & 400-801. CLEARED FAULT & C/W OPS CHECK OF AIRFRAME DEICING SYS- OPS CHECKS GOOD. FAULT REMAINS CLEARED. RETURNED TO SERVICE.