What was found
DURING FLIGHT SYSTEM A HYDRAULICS APPEARED TO BE LOSING QUANTITY. LEVELS DROPPED FROM 98% TO 75%. SUSPECTED HYDRAULIC LEAK, DECLARED AN EMERGENCY & LANDED NORMALLY. AFTER LANDING. INDICATIONS WENT BACK TO NORMAL. FOUND BOTH THE A & B QTY AT 98% ON FLT DECK AND FULL ON RESERVIOR INDICATORS. PERFORMED FIM 29-30-00-810-807, INITIAL EVALATION, NO DEFECTS NOTED. PERFORMED FIM 29-30-00-810-815, NO DEFECTS NOTED. RAN BOTH ENGINES AT IDLE IAW MM 71-00-00, CYCLED REVERSERS, FLIGHT CONT & FLAPS/SLATS WITH NO ABNORMAL HYD QTY INDICATIONS. REF: FLEET TEAM DIGEST 737NG-FTD-01003.