As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI-ICE LIGHT ON F/O'S MASTER CAUTION WILL NOT TEST. ACFT GROUNDED. R & R P5-9 WINDOW & PITOT HEAT MODULE AND TESTS NORMAL IAW MM 30-41-41. MASTER CAUTION OPS TEST NORMAL IAW MM 33-11-00. AIR DATA SENSOR HEATER TEST NORMAL IAW MM 30-31-00. ETOP SIGNIFICANT SYS, GROUND VERIFICATION SUCCESSFUL.