As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"ELEC" ANNUCIATOR ILLUMINATED AFTER LANDING. GROUNDED - YES. BITE PROCEDURE ACCOMPLISHED IAW B737-9 AMM 24-31-00 FAULT MSG STAT INV INOP SEEN ON ANNOUNCIATOR PANEL B737-9 FIM TASK 24-31-00-810-811 ACCOMPLISHED FAULT CLEARED. SYSTEM CONSIDERED SERVICEABLE.