What was found
YELLOW HYD SYSTEM RES OVHT. FOLLOWED ECAM & QRH PROCEDURES. YELLOW RES OVHT LIGHT EXTINGUISHED AFTER 45 MIN. EMERGENCY DECLARED FOR LANDING. EARLY ALERT MOCC-EWR MX. REMOVED YELLOW CASE DRAIN FILTER. FOUND FLUID DISCOLORED AND FILTER BADLY CONTAMINATED WITH METAL. PARTS ON ORDER. R&R YELLOW SYS HYDRAULIC PUMP PER MM 29-11-32-4. TSI 29-01/0981 ISSUED TO ASSIST T/S. SYSTEM FLUID DRAINED, FILTERS REPLACED, SERVICED WITH NEW FLUID, FOLLOW-UP WITH EA 6-2900-126744. COMPLETED AMM 12-36-29-0 FROM AND INCLUDING STEP G THRU I IN ADDITION MTSI 745 29-01. INSPECTED NEXT LEG- YEL SYS FILTER DIFF PRESS INDICATORS. NONE TRIPPED. OK FOR SERVICE.