As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF BACKLIGHTING IN ENGINE START PANEL WENT OUT A WHILE LATER SMELLED A CHEMICAL ODOR FOLLOWED BY AN ODOR OF BURNING OR CHANED PAPER. DONNED OXYGEN MASKS AND TROUBLSHOT INDIVIDUAL PACKS TO NO AVAIL. EXAMINED INSPECTED WIRING & SURROUNDING AREAS OF PANEL, NO DEFECTS FOUND. R & R ENGINE START, RAT CONTROL PANEL & LIGHTPLATE IAW AMM 80-11-09 & 33-13-01. OPS CHECKS GOOD.