SDR UIEA2018082501790

Service difficulty report · Warning System · Boeing 767375

Difficulty date: August 24, 2018
Submitted: August 27, 2018
Operation: Air carrier
Aircraft: N1217A
Make and model: Boeing 767375
Aircraft serial: 25865
Aircraft time: 89,846 hours, 22,929 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: NR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

LEFT SIDE WINDOW EICAS MESSAGE. PERFORMED FIM 30-41 FAULT TREE 804, TEST AND BITE CHECK GOOD, WDM 30-41-12/D0898A PIN 17-18 RESIST 337.8 OHM PINS 13-14 RESIST 341.4 OHM WITHIN LIMITS. GROUND PINS 3,4,5 CHECK GOOD HEATER ELEMENTS PINS 11 & 16 CHECK GOOD TO GROUND. PERFORMED OPERATIONAL CHECK IAW 30-41-00. OPS CHECK GOOD.