SDR ASAA2017092422010

Service difficulty report · Anti-Ice System · Boeing 737990ER

Difficulty date: September 24, 2017
Submitted: September 27, 2017
Operation: Air carrier
Aircraft: N471AS
Make and model: Boeing 737990ER
Aircraft serial: 41703
Aircraft time: 11,990 hours, 3,972 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Anti-Ice System
Part number: 56100026
Part serial: 14212H3793
Condition: Inoperative
Location: R2 Window
Part time: 11,996 hours, 3,975 cycles
Stage of operation: NR
How discovered: O
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

R2 WINDOW OVERHEAT ANNUNCIATOR ILLUMINATES WHEN SWITCHED ON. GROUNDED - YES. REMOVED R2 WINDOW, REF AMM 56-12-11-000-801. WINDOW CODE FOR NEW WINDOW IS H15 AND VERIFIED PROPER TAP LOCATION AT TERMINAL BOARD TB5014-1, REF AMM 30-41-21-000-801. INSTALLED NEW R2 WINDOW, REF AMM 56-12-11-400-801, AND ADJUSTED WINDOW, REF AMM 56-12-11-820-801. OPS CHECK GOOD.