What was found
FLT # 501, BOS-MSY(AIR RETURN BACK TO BOS). VENT BLOWER FAULT ECAM DURING FLIGHT , SKIN AIR OUTLET VALVE ( SKIN AIR OUTLET VALVE ) ; RESET AVEC C/B'S PER AMM 21-26-00. NO FAULTS., (ITEM RESOLVE UNDER MDDR: 452866) REM/REP SKIN OUTLET VALVE REF AMM 21-26-53. MDDR 452866 CLEARED. MX 4 UPDATED. PLACARD REMOVED. OPS CHK OK.