What was found
ON TAXI, LT ENG ROLLED BACK TO COMPLETE FAILURE. NO MESSAGES, NO POPPED C/B`S, ALL ELECTRIC, IGNITION & PNEUMATIC SWITCHES IN NORMAL POSITION. ONLY INDICATIONS WERE: FAILED ENGINE, OIL, HYD, & GEN LIGHTS ILLUMINATED. ENVIRONMENTAL CONDITIONS AT TIME WERE VERY GUSTY, WINDS IN EXCESS OF 30KTS, INSPECTED HMU RED & YELLOW BYPASS PINS. INSPECTED & REPLACED LT ENGINE FUEL FILTER. INSPECTED HMU & FADEC CONNECTORS. PERFORMED AN E13 CONNECTOR CHECK TO HMU. PERFORMED LT ENGINE STALL CHECK, & POWER ASSURANCE RUN. REPOSITIONED FADECS 1A & 2B FOR MX. PERFORMED HMU OPS TEST. DOWNLOADED FADEC'S & SENT FOR EVALUATION. ALL TESTS PASSED. DONE IAW MM 73-20-01, 72-00-00, 76-10-05, MM 71-000, 71-008.