Service difficulty report · Heater · Boeing 737990ER

Difficulty date
October 17, 2017
Submitted
October 23, 2017
Operation
Air carrier
Aircraft
N462AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
13,785 hours, 4,565 cycles
Part
Heater
Condition
Malfunctioned
Location
Cockpit Window
Stage of operation
CR
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

RIGHT SIDE WINDOW OVERHEAT, RESET TWICE, FOLLOWED QRH. SWITCH REMAINED OFF FOR REMAINDER OF THE FLT. ACFT GROUNDED. TROUBLESHOOT IAW WDM 30-41-11, AND AMM 30-41-21-000-801. RT WINDOW TERMINAL TAB READING 59 OHMS. SWITCHED TAB TO POSITION -1 TO MATCH RESISTANCE. OPS CHECKED NORMAL.