As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD THREE INTERIOR EMERGENCY LIGHTS LOCATED AIRCRAFT LEFT TURN ON AND OFF INTERMITTENTLY IN FLIGHT. LIGHTS REMAINED ON EVEN WITH THE EMERGENCY LIGHT SWITCH IN THE OFF POSITION. GROUNDED - YES. REMOVED & REPLACED M2335 POWER SUPPLY/BATTERY PACK. OPS CK GOOD. REF WDM 33-51-11-4, WDM 33-51-12-5, AMM 33-51-06.