SDR SWAA2018041021082

Service difficulty report · Controller · Boeing 7377H4

Difficulty date: April 8, 2018
Submitted: April 10, 2018
Operation: Air carrier
Aircraft: N494WN
Make and model: Boeing 7377H4
Aircraft serial: 33868
Aircraft time: 47,128 hours, 27,664 cycles
System (JASC): 5610 · Flight Compartment Windows
Part: Controller
Part number: 8300005604
Part serial: 6452
Condition: Arced
Location: Window Heat
Stage of operation: CL
How discovered: O
Nature of condition: J, B
Precautionary procedure: A

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

What was found

DURING CLIMB, AT 13,000 FEET, L1 WINDOW CRACKED, L2 WINDSHIELD OVERHEAT LIGHT ILLUMINATED AND ARCED. ODOR OF ELECTRICAL SMOKE EXPERIENCED BRIEFLY BEFORE REMOVING POWER PER QRH PROCEDURE. AIR TURNBACK. R & R THE LT FRONT WINDSHIELD HEAT CONTROLLER IAW AMM.

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