As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CEILING LIGHTS INOPERATIVE. NO CIDS 1 DATA INTERMITTENT. PFR SHOWED CIDS 1 AS INTERMITTANT. CIDS 1 WILL NOT GO INTO BITE. REPLACED CIDS 1 CONTROLLER. BITE TEST IS GOOD. ALL INDICATIONS NOW NORMAL. REPLACED ACARS MU PER AMM, OPS CHECKED OKAY.