What was found
SMOKEY SMELL IN CABIN DURING CRUISE AROUND SEATS 9-14, FAS AND PAX NOTICED THE SMELL, CAPTAIN WENT BACK AND SMELT IT IMMEDIATELY. NO VISIBLE SMOKE, ONLY SMELL. ( FLIGHT 3105 - FILED CLOSED) DROPPED ALL PASSENGER CABIN POWER UNIT/DIMMER ASSY PANELS IN REF TO CRJ 700 AMM 33-21-03 FOR CHECKING FOR ANY EVIDENCE OF SMOKE OR SMELL . FOUND ROW 3 C/D PASSENGER CABIN SIDE SIDEWALL / CEILING LIGHTS POWER UNITS WITH SOME SMOKE MARKS AND SMELL . REMOVED AND REPLACED ROW 3 C/D SIDEWALL AND CEILING LIGHTS POWER UNIT / DIMMER REF TO CRJ 700 AMM 33-21-03 .. DROPPED PASSENGER CABIN CEILING CENTER PANELS PANELS FROM ROW 1 THRU ROW 12.LOOKING FOR ANY EVIDENCE SMOKE OR SMELL REF TO CRJ 700 AMM 25-26-05 . FOUND LOT OF DUST ON ROW 4 CELLING PANEL LIGHT FIXTURES INSPECTED AND CLEANED IT NO SMOKE MARKS EVIDENCE FOUND JUST A LITTLE BIT OF SMELL OF SMOKE BUT I BELIEVED CAME FROM THE ROW 3/C/D POWER UNIT/ DIMMER ISSUE THAT IT TRAVELS THRU THE PASSENGER CABIN AND DROPPED ALL CABIN PASSENGER RIGHT SIDE PSU PANELS REF TO CRJ 700 AMM 25-28-01 FOR LOOKING FOR ANY EVIDENCE OF SMOKE OR SMELL. NO EVIDENCE FOUND AROUND THE PSU AREA RE INSTALLED ALL PASSENGER CABIN POWER UNITS/ DIMMER ASSY PANELS PER CRJ 700 AMM