Service difficulty report · Switch · Bombdr DHC8401

Difficulty date
January 10, 2005
Submitted
January 13, 2005
Operation
Air carrier
Aircraft
N412QX
Make and model
Bombdr DHC8401
Aircraft serial
4059
Aircraft time
7,243 hours, 7,786 cycles
Part
Switch
Condition
Malfunctioned
Location
Leak Overtemp
Stage of operation
CL
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

NR 1 BLEED HOT CAUTION ILLUMINATED ON TAKEOFF ROTATION. NR 1 BLEED SELECTED AFT PER CHECKLIST. LIGHT WENT OUT WHEN NR 1 BLEED SELECTED OFF. THERE WAS AN UNUSUALLY HOT SMELL/ODOR NOTED TOWARD LATER PORTION OF TAKEOFF ROLL. MAINTENANCE REPLACED NACELLE DUCT LEAK OVERTEMP SWITCH. GROUND RAN NR 1 ENGINE, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.