As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED. ON CLIMB OUT PASSING 12000 SMELL OF BURNING PAPER WAS NOTICED AND FO EYES IRRITATED. DECLARED EMERGENCY. NO SYSTEM FIRE WARNING. INSPECTED ENTIRE A/C FOR SMOKE / SMELL FLUID STAINS. CHK GOOD OPENED ALL ACCESS PNLS EVERYTHING NORMAL NO SIGNS OF ELECTRICAL FAILURES ALL SYSTEM OPERATING NORMAL REF AMM 05-51-56 PG 201 AC OK FOR SERVICE