As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6433 JFK-BNA, ON HEAVY MAINTENANCE CHECK FOUND AFT SERVICE DOOR UPPER EMERGENCY LIGHT INOP. TROUBLESHOT AND FOUND CONNECTOR GL8-L1 LOOSE ON AFT RIGHT SERVICE DOOR EMERGENCY EXIT. RE-SECURED TO LIGHT ASSEMBLY AND OPS CHECK GOOD IAW EMB E190 AMM 33-50-11 AND 33-50-00.