What was found
ON SHORT FINAL, L HYD QTY WENT TO ZERO. AS WE WERE FULLY CONFIGURED, WE OPTED TO LAND AND STOP ON THE RUNWAY. PTU KICKED IN ABOUT 150 AGL. WE CAME TO A STOP RAN THE QRH AND SHUT OFF BOTH LT ENG AND LT ELEC HYD PUMPS, PER QRH PROC. TOTAL RUN TIME OF LT HYD PUMPS W/NO FLUID LESS THAN 3 MINS. NO EMER WAS DECLARED BUT EQUIPTMENT WAS ROLLED AS A PRCAUTION. FAULT TRACED TO NWS FLEXIBLE HOSE FROM BULKHEAD TO NLG (SUPPLY HOSE). HOSE REPLACED AND TIGHTENED IAW MM 20 -11-00-2. LEAK CHECK CARRIED OUT SATIS. AS PER AMM 12-12-01-3 LEFT SYSTEM PRESSURISED, ALL FLIGHT CONTROL SURFACES OPERATED AT LEAST 3 TIMES. SYSTEM REPLENISHED TO FULL. NLG STEERING TESTED IAW AMM 32-51-00-3 SATIS.