What was found
FLT # 1002 FLL-FLL. "N996-FLT-1002-FLL-JFK-RTF CARGO THE A/C RETURNED TO THE FIELD IN FLL DUE TO AN AFT CARGO DOOR INDICATION. THE A/C LANDED WITHOUT INCIDENT AND WAITING FOR A GATE. THE TARGET POSITION SENSOR FOR THE DOOR IS FAULTED MX HAS BEEN CONTACTED TO REPAIR OR DIFFER THE INDICATION. (PILOT REPORT: AFT CARGO DOOR IND ( ECAM DOOR PAGE INDICATIONS 3) CARGO DOOR (FWD/AFT & BULK) ). ; PERFORMED TSM 52-32-00-810-801A CLEANED SENSOR (32WV) AND PERFORMED OPS CHECK OF INDICATION. FAULT CLEARED, EXCESSIVE GREASE AND DIRT ON SENSOR. CLEARS MDDR # 6111170 MX-4 UPDATED MCC-NOTIFIED PLACARD REMOVED."