SDR IPXA2018011125340

Service difficulty report · Terminal · Boeing 76734AF

Difficulty date: January 11, 2018
Submitted: January 12, 2018
Operation: Air carrier
Aircraft: N352UP
Make and model: Boeing 76734AF
Aircraft serial: 37875
Aircraft time: 13,951 hours, 4,924 cycles
System (JASC): 3397 · Light System Wiring
Part: Terminal
Condition: Burned
Location: Light Switch
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

DURING DECENT, AFTER TURNING ON EXTERIOR LIGHT SWITCHES, THERE WAS A STRONG BURNING ODOR COMING FROM THE OVERHEAD PANEL. AFTER SWITCHES TURNED OFF, THE ODOR WENT AWAY. DURING TROUBLESHOOTING, FOUND BURNING EVIDENCE AT THE TERMINAL LUG FOR THE LEFT RUNWAY OFF LIGHT SWITCH S1.

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