What was found
VENT EXTRACT FAULT DISPLAYED ON UPPER ECAM. EXTRACT FAN 18HQ FAULTED, NO VENT SYSTEM CAUTION. COMPLIED WITH MEL 2126D, FAN CB PULLED AND COLLARED, STICKER APPLIED PER MEL. TROUBLESHOT PER TSM TASK -810-810-A. UPDATED PARTS LIST WITH POSSIBLE PARTS. REPLACED EXTRACT FAN 18HQ. OPS CHECK OKAY.