What was found
AT CRUISE 33,000, RECEIVED A SMOKE INDICATION FOR THE AFT BULK BAY. FOLLOWED ECAM & QRH. DISCHARGED AGENT 1. INDICATION WENT AWAY AFTER. PERFORMED LOWER CARGO SMOKE DET ADJ/TEST IAW AMM. ALL INDICATIONS NORMAL. PERFORMED GVI OF LOWER AFT CARGO & BULK BAY FOR WATER INTRUSION & SMOKE DAMAGE. NO SMOKE FOUND & MINIMAL INDICATIONS OF WATER INTRUSION FROM RESIDUAL MOISTURE ON LOADED CANS. A/C OKAY FOR SERVICE. PERFORMED WIRING CONTINUITY CHECK, WIRING CHECKS GOOD FROM 9WH AND 44WH TO 127VD DIODE MODULE. AS A PRECAUTION, REPLACED DIODE BLOCKS 127VD AND 129VD IAW AWM 26-16-03 & 26-16-04. R & R 9WH, 10WH, 11WH, &44WH SMOKE DETECTORS IAW AMM 26-16-11- 04.