What was found
ON CLIMBOUT, AT 11000 FEET RECEIVED ECAM BLUE HYDRAULIC SYSTEM OVERHEAT WARNING, TURNED BACK TO LAS. MAINTENANCE TROUBLESHOT SYSTEM PER TSM 29-12-00-810-806 AND IDENTIFIED THE BLUE ELECTRIC HYDRAULIC PUMP AS BAD. REMOVED AND REPLACED BLUE HYDRAULIC SYSTEM ELECTRIC PUMP IAW AMM 29-12-51-401, OPERATIONAL CHECK AND LEAK CHECK WERE GOOD. VENDOR TEARDOWN OF BLUE HYDRAULIC SYSTEM ELECTRIC PUMP S/N MX616661 CONFIRMED FAILURE OF UNIT. THE STATOR (P/N 973545), BEARING (P/N 732029), SPRING WASHER (P/N 849209), RETAINING RING (P/N 388180), CONNECTOR (P/N 681950), PACKINGS, SHIMS, AND SEALS WERE ALL FOUND WORN BEYOND LIMITS. REPLACED ALL WORN PARTS AND TESTED PUMP IAW CMM 29-21-20, REV. 4.