As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS: FLT 20, LHR-JFK. FLIGHT ATTENDENT CIDS CATION LIGHT COMES ON IT FLICKERS OR RESET ITSELF. CABIN LIGHTS COME ON/OFF WITH ASSOCIATED RH ATTENDENT CID PANEL CAUTION LIGHT ; R & R CIDS #1 IAW AMM 73-34-04 ALL OPS CHECKS GOOD AND SOFTWARE LOADS