What was found
(AIRCRAFT NOT GROUNDED) (EMERGENCY DECLARED) (MX REPOSITION FLIGHT) ENGINE #1 ROLLED BACK AND FAILED AFTER TAKEOFF AT APPROXIMATELY 7000 FEET. NO DAMAGE SUSPECTED SAW PUDDLE UNDER THE ENGINE. / REMOVED AND REPLACED #1 ENG. FUEL NOZZLE FILTER SUPPLY TUBE GASKET IAW A320 AMM 73-11-45-000-001-A STEPS 1 THRU 3, 4A(1) AND 4A(4) THRU (7) AND TASK 73-11-45-400-001-A STEPS 1 THRU 4A(11), 4B AND 5. ENGINE RUN UP OPS AND LEAK CHECKS GOOD IAW A320 AMM 71-00-00-710-006."