What was found
ON TEST FLIGHT 9045 AFTER HMV 1/ 2 OUT OF INDIANAPOLIS TEST FLIGHT CREW PERFORMED ALT GEAR EXTENSION CHECK, FIRST ATTEMPT FAILED. CREW DEBRIEFED THAT THEY PERFORMED A NORMAL GEAR EXTENSION-RETRACTION SUCCESSFULLY, TRIED ALT GEAR EXTENSION A SECOND TIME AND WORKED AS IT SHOULD. TEST FLIGHT WAS NOT COMPLETED SUCCESSFULLY BECAUSE OF THIS FAULT. A SECOND TEST FLIGHT WAS FLOWN AND ALL ALTERNATE GEAR EXTENSION CHECKS WERE GOOD, COMPLETING A SUCCESSFUL SECOND TEST FLIGHT. THE AIRCRAFT WAS THEN RELEASED FOR REVENUE SERVICE. NO PARTS WERE REPLACED OR DAMAGED OR FOUND DAMAGED. HGR MECHANIC PERFORMED LANDING GEAR ALTERNATE EXTENSION OPERATIONAL TEST TWICE REF B767 AMM 32-35-00-5 PARAGRAPH 2 AND FEDEX WORK CARD 3202100-00-01. OP'S CHECK GOOD NO DISCREPANCIES NOTED AT THIS TIME.