As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCD EMERGENCY LIGHT OUT . REMOVED AND REPLACED BULB. OPS CHECK FAIL. REMOVED EMERGENCY LIGHT HOUSING. INSPECTED WIRING AND IDENTIFIED POORLY BONDED GROUND AT TERMINATION OF W734-0002-20. DISSASSMBLED, CLEANED, AND REASSEMBLED TERMINAL AND GROUNDING POINT AND VERIFIED PROPER BONDING. NO OTHER ELECTRICAL FAULTS OBSERVED. REINSTALLED EMERGENCY LIGHT. OPS CHECK SAT.