Service difficulty report · Shutoff Valve · Bombdr DHC8402

Difficulty date
February 15, 2007
Submitted
March 19, 2007
Operation
Air carrier
Aircraft
N424QX
Make and model
Bombdr DHC8402
Aircraft serial
4006
Aircraft time
12,990 hours, 9,624 cycles
Part
Shutoff Valve
Part number
8209712
Part serial
200101337
Condition
Inoperative
Location
Engine
Part time
12,646 hours, 12,734 cycles
Stage of operation
AP
How discovered
V
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

PDX - NR 1 AND NR 2 BLEED HOT LIGHTS ILLUMINATED ON 2-3 MILE FINAL. LIGHTS EXTINGUISHED WHEN BLEEDS SELECTED OFF PER EMERGENCY CHECKLIST. MAINTENANCE REMOVED AND REPLACED NR 1 AND NR 2 ENGINE HPSOV. GROUND RAN BOTH ENGINES THROUGH ALL POWER SETTINGS FAULT DID NOT RE-OCCUR. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.