SDR TRB2004F00003

Service difficulty report · Connector · Aerosp ATR72212

Difficulty date: December 29, 2003
Submitted: February 25, 2004
Operation: Air carrier
Aircraft: N399AT
Make and model: Aerosp ATR72212
Aircraft serial: 399
System (JASC): 3397 · Light System Wiring
Part: Connector
Condition: Burned
Location: Cabin Lights
Stage of operation: TX
How discovered: O
Nature of condition: B
Precautionary procedure: H

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

What was found

DURING ENGINE START A ZAPPING NOISE WAS HEARD, LIGHTS FLASHED, RELAYS CLACKED FOLLOWED BY WHITE/BLUE SMOKE IN COCKPIT, ODOR OF BURNING INSULATION. GPU DC CONNECTOR FOUND BURNED. GPU DC CONNECTOR REPLACED. OPERATIONAL CHECK OF ELECTRICAL SYSTEM CHECKED PROPERLY.

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