What was found
BLUISH HAZE IN CABIN NOTICEABLE BEFORE CABIN DOOR CLOSED; MORE PRONOUNCED AFTER CABIN DOOR CLOSED. REMOVED AND REPLACED BOTH COALESCER BAGS AND LEAK CHECKED; REF MM 21-54. INSPECTED CABIN, NO SMOKE SMELL FOUND. CHECKED C/B'S, CARGO AND APU COMPARTMENTS; PERFORMED 'BURNOUT' PROCEDURE, NO UNUSUAL SMELL NOTED REF MM 21-54.