Service difficulty report · Switch · Boeing 737752

Difficulty date
February 6, 2014
Submitted
February 6, 2014
Operation
Air carrier
Aircraft
N714SY
Make and model
Boeing 737752
Aircraft serial
33786
Aircraft time
33,259 hours, 17,223 cycles
Part
Switch
Condition
Malfunctioned
Location
Anti Ice Sys
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 ENGINE BLEED TRIP OFF ILLUMINATED FOLLOWED BY NR 2 ENGINE BLEED TRIP OFF. FOLLOWED BLEED TRIP PROCEDURE. FOUND WING ANTI-ICE SWITCH FAILED TO TRIP OFF DURING TAKE-OFF. SYSTEM RESTORED TO NORMAL. CLEANED AND EXERCISED ANTI ICE SWITCH AND TAI SWITCHES. PERFORMED WING ANTI-ICING OPERATIONAL CHECK. SYSTEM OPS GOOD.