▁ 2 9 ▁January ▁ 1 9 2 7 . ▁Five ▁games ▁were ▁drawn ▁and ▁went ▁to ▁re plays ▁in ▁the ▁following ▁mid week ▁fi xture , ▁of ▁which ▁one ▁went ▁to ▁a ▁second ▁re play . ▁ ▁Fif th ▁round ▁proper ▁The ▁matches ▁were ▁scheduled ▁for ▁Saturday , ▁ 1 9 ▁February ▁ 1 9 2 7 . ▁There ▁was ▁one ▁re play , ▁played ▁in ▁the ▁next ▁mid week ▁fi xture . ▁ ▁Six th ▁round ▁proper ▁The ▁four ▁Six th ▁Round ▁t ies ▁were ▁scheduled ▁to ▁be ▁played ▁on ▁Saturday , ▁ 5 ▁March ▁ 1 9 2 7 . ▁There ▁were ▁two ▁re plays , ▁played ▁in ▁the ▁following ▁mid week ▁fi xture . ▁ ▁Sem i - final s ▁The ▁semi - final ▁matches ▁were ▁played ▁on ▁Saturday , ▁ 2 6 ▁March ▁ 1 9 2 7 . ▁Card iff ▁City ▁and ▁Ar sen al ▁went ▁on ▁to ▁meet ▁in ▁the ▁final ▁at ▁W emble y . ▁ ▁Final ▁ ▁The ▁ 1 9 2 7 ▁FA ▁Cup ▁Final ▁was ▁won ▁by ▁Card iff ▁City , ▁who ▁beat ▁Ar sen al ▁ 1 – 0 . ▁It ▁is ▁most ▁remembered ▁for ▁Ar sen al ▁goal keeper ▁Dan ▁Lewis ' ▁mistake ▁which ▁led ▁to ▁the ▁only ▁goal ▁of ▁the ▁game . ▁It ▁was ▁also ▁the ▁first ▁ever ▁Cup ▁Final ▁to ▁be ▁broadcast ▁by ▁BBC ▁Radio . ▁Comment ators ▁were ▁D erek ▁McC ul lo ch ▁and ▁George ▁All ison , ▁who ▁would ▁later ▁manage ▁Ar sen al .