Service difficulty report · Switch · Bombdr DHC8402

Difficulty date
October 14, 2009
Submitted
October 19, 2009
Operation
Air carrier
Aircraft
N431QX
Make and model
Bombdr DHC8402
Aircraft serial
4164
Aircraft time
5,871 hours, 6,369 cycles
Part
Switch
Part number
8209076B
Part serial
1029
Condition
Malfunctioned
Location
Bleed 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

DURING CLIMB, NR 1 BLEED HOT CAUTION LIGHT ILLUMINATED. PERFORMED EMERY/ABNORMAL CHECKLISTS. WITH NR 1 BLEED SWITCH OFF, NR 1 BLEED HOT CAUTION REMAINED ILLUMINATED. REMOVED AND REPLACED NR 1 ENG BLEED OVER TEMPERATURE SWITCH IAW AMM TASK 36-11-16-000-801, AND INSTALLED IAW AMM TASK 36-11-16-400-801. GROUND RAN ACFT, CAUTION LIGHT DID NOT RETURN. NO OTHER DEFECTS NOTED.