As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVERHEAD LIGHTS IN LAV ARE INTERMITTENT. AFTER TURNING LIGHTS ON AND OFF SEVERAL TIMES A BURNING ODOR WAS NOTED. REMOVED RT AND LT OVERHEAD LIGHT PANELS IN LAV. INSPECTED LIGHT AND BALLAST ASSY. FOUND R/H TOP LIGHT TO BE BURNT AND PLASTIC END MELTED. REMOVED LIGHT AND INSTALLED NEW CUSTOMER SUPPLIED LIGHT, CYCLED LAV LIGHTS SEVERAL TIMES. OPS CHECK GOOD. ALL WORK I.A.W. CESSNA CITATION 750 M/M 33-00-33