As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CABIN READING LIGHTS LT BANK AND CABIN LATERIAL LIGHTS NOT WORKING - CAUSE 115VAC SERVICE BUS AND 28 VDC GROUND HANDLING BUS WIRES SHORTED TO GROUND AND EACH OTHER CAUSING BURNT WIRES AT FRAME 20 L/H BEHIND OVERHEAD BIN BETWEEN 71VC AND 751VT, THE CAUSE OF THE PROBLEM IS UNCLEAR , BUT IT APPEARS TO BE A WIRE THAT HAD RUBBED ON A GROUNDING STRAP. INVESTIGATION ON GOING. (TC# 20141128006)