Service difficulty report · Control Unit · Boeing 737890

Difficulty date
November 11, 2016
Submitted
November 14, 2016
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
37,184 hours, 11,039 cycles
Part
Control Unit
Part number
8300005604
Part serial
5057C
Condition
Faulted
Location
Window Heat
Part time
49,440 hours, 19,259 cycles
Stage of operation
AP
How discovered
V
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON SHORT THE RIGHT "SIDE" WINDOW OVERHEAT LIGHT ILLUMINATED, SWITCH PLACED IN THE OFF POSITION ON CRW ACCOMPLISHED AFTER LANDING & "ON" ILLUMINATED APPROXIMATELY 5 MINNUTES. ACFT GROUNDED. PERFORMED RESISTANCE CHECKS ON RIGHT SIDE WINDOW SENSORS. WITHIN RANGE IAW WDM 30-41-12-2. REMOVED AND REPLACED THE CONTROL UNIT IAW AMM 30-41-11.