SDR ASAA2022031037672

Service difficulty report · Unknown · Boeing 7379

Difficulty date: March 10, 2022
Submitted: March 14, 2022
Operation: Air carrier
Aircraft: N924AK
Make and model: Boeing 7379
Aircraft serial: 43333
Aircraft time: 1,108 hours, 299 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: TX
How discovered: V
Nature of condition: M
Precautionary procedure: O

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

What was found

R1 WINDOW OVERHEAT ILLUMINATED ON GROUND. ACCOMPLISHED QRH, RESOLVED OVERHEAT. GROUNDED - YES. ACCOMPLISHED WINDOW HEAT CONTROL UNIT SYSTEM TEST REF B737-9 AMM 30-41-11-710-801. PERFORM BITE TEST ON R1 WINDOW GROUND VERIFICATION , TEST PASSED. FAULT HISTORY SHOWED WHCU LRU. REF AMM 30-41-11-740-002.

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