As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLOCK TURN BACK ECAM SMOKE FWD CRG DET FAULT AFT CRG DET FAULT. INSPECTED BOTH ENGINE FOR OIL LEAKS. NO LEAKS NOTED. NO SMELL IN CABIN & CARGO COMPARTMENTS. REPLACED CIDS-DIRECTOR1 PER AMM 23-73-34-400-001-B. ALL TESTS PASSED NO FAULTS NOTED. O.K. FOR SVC.