What was found
TEST FLIGHT-UNABLE TO RESTART NR 1 ENGINE AIRBORNE AFTER SHUTDOWN WHEN FUEL LEVER SELECTED ON N1 INDICATION WENT TO "0", AFTER 20 SECS, WHEN FUEL LEVER SELECTED OFF, N1 INDICATION CAME BACK AFTER 15-20 SECS, START ATTEMPT WAS AT FL 240- 250, 240 KNOTS-280 KNOTS-NEVER HAD EGT RISE. R & R NR 1 MCD IAW AMM 73-20-01-2, ENG FAILS TEST, R & R NR 1 ENG IAW WORKCARD 71T0101-1, LEAKS AND OPS CKD GOOD ON NR 1 ENGINE IAW AMM AND JRH, NO DEFECT NOTED, MINOR REPAIR.