As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACM OVERHEAT ANNUNCIATOR ILLUMINATED AFTER TAKEOFF WITH ASSOCIATED LOUD AIR NOISE AND BURNING ODOR. REMOVED ACM OVERHEAT SWITCH. INSTALLED NEW SWITCH. PERFORMED OSP CHECK AND LEAK CHECK. ALL CHECKS GOOD. ALL WORK DONE I.A.W CE-560XL M/M CH.21-51-00.