As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) F/A NOTICED SMOKE COMING FROM AIRSTAIR DOOR, UNABLE TO FIND CONCLUSIVE CAUSE OF THE ARCING IN THE AIR STAIR. FOUND THE WATER DAMAGE ON ALL 4 LED LIGHT ASSY, PN 2LA285028-01. REPLACED WITH PRE-EO DH8-5210-A08052, AIR STAIR LIGHT ASSY, PN 10-1180-1) DUE TO NIL FOR THE LED LIGHT ASSY. (AIRSTAIR DOOR SHELL RE-INSTALLED SERVICEABLE.