SDR DXTA2018093001482

Service difficulty report · Not Reported · Emb EMB505

Difficulty date: September 30, 2018
Submitted: October 1, 2018
Operation: Air carrier
Aircraft: N374QS
Make and model: Emb EMB505
Aircraft serial: 50500289
Aircraft time: 2,751 hours, 2,162 cycles
System (JASC): 2440 · External Power System
Part: Not Reported
Condition: Malfunctioned
Location: Cockpit
Stage of operation: TX
How discovered: O
Nature of condition: B
Precautionary procedure: D

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

What was found

WITH THE AIRCRAFT POWERED WITH A GPU, WE RECEIVED AN OVERVOLTAGE OF 30V AND THE GPU AUTOMATICALLY DISCONNECTED. AT THE SAME TIME A STRONG ACRID, BURNING, ELECTRICAL SCENT WAS SMELLED IN THE COCKPIT. THERE WERE NO UNUSUAL CAS MESSAGES DISPLAYED NOR POPPED CIRCUIT BREAKERS. THE AIRCRAFT WAS IMMEDIATELY POWERED DOWN.

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