What was found
LEFT THRUST REVERSER DID NOT DEPLOY ON LANDING. PERFORMED THRUST REVERSER OPS CHECK PER MM 78-31-00. LEFT ENG THRUST REVERSER OPERATES NORMAL, NO LEAKS. NO FAULTS ON TR RELAY MODULE. TROUBLESHOT SUSPECT LEFT THRUST REVERSER DEPLOY RELAY. REMOVED AND REPLACED LEFT THRUST REVERSER DEPLOY RELAY PER WDM 78-34-11. OPERATED THRUST REVERSER AGAIN NO FAULTS NOTED. PERFORMED MCDP TEST 30 PER MM 22-00-03, ALL TESTS PASSED, NO MESSAGES NOTED ACFT UPGRADED TO FULLY CAT CAPABLE.