As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 698 EMERGENCY LIGHTS IN CABIN ILLUMINATE AT RANDOM. LIGHTS CAME ON ONCE ON CLIMBOUT ONCE ON DESCENT AND ONCE ON LANDING. CORRECTIVE ACTION: TESTED SYS PER B757 AMM 33-51 CKD ALL TEST SWITCHES IN CABIN AND COCKPIT AND NLG SYS GND CKS OK. (4176408)