What was found
WHILE PERFORMING T/C 78273000, HAD FAULT 75-10391. THE VSV POSITION SIGNAL IS OUT OF RANGE, LONG TERM FAULT, NR 1 ENGINE. REMOVED NR 1 ENG INBD (RT) VSV ACTUATOR IAW AMM 75-31-01-000-802-F00. INSTALLED HEAD-END NIPPLE, ROD-END NIPPLE AND DRAIN PORT NIPPLE FOR NR 1 ENG RT VSV ACT IAW AMM 75-31-01-400-802-F00 6.F (1)(A) THRU(E) 1 AND 2(A). ACCOMPLISHED STEPS (3),(4),(5) OF MM 75-31-01-400-802. ACCOMPLISHED VSV ACTUATOR LEAK TEST NR 1 ENG RT SIDE STEP E(1) THRU (2)(D) OF MM 75-31-01-790-801. PERFORMED PWR PLANT TESTS 3A (IDLE PWR LEAK CHECK) AND TEST 12 (ACTUATORS TEST). NO DISCREPANCIES NOTED.