Service difficulty report · Switch · Bombdr DHC8402

Difficulty date
July 25, 2007
Submitted
September 7, 2007
Operation
Air carrier
Aircraft
N409QX
Make and model
Bombdr DHC8402
Aircraft serial
4051
Aircraft time
14,891 hours, 14,867 cycles
Part
Switch
Part number
8209074
Part serial
0691
Condition
Malfunctioned
Location
Nr 2 Bleed Sys
Part time
770 hours, 769 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

SJC FLIGHT NR 2453: NR 2 BLEED HOT CAUTION LIGHT CAME ON DURING APPROACH. CHECKLIST C/W. LIGHT STAYED ON. LIGHT STAYED ON AFTER ENGINE SHUTDOWN. MAINTENANCE INTERROGATED CDS, FAULT CODES PG 2-7005 R BLD ANA, 3BNO DIST DAMPER, 1701 R BLD TEMP SW. REMOVED AND REPLACED NR 2 OVERTEMP SWITCH IAW AMM TASK 36-11-16-400-801. C/W FIM TASK 36-20-00-810-802. OPS TEST OF BLEED AIR SYSTEM CHECKS GOOD. NO OTHER FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE.