What was found
SHORTLY BEFORE TAKEOFF, NR 1 ENGINE CONTROL LIGHT COME ON. ACFT GROUNDED. PERFORMED ELECTRONIC ENGINE CONTROL BITE REF 73-00, TASK 801 FOUND FAULT CODE 75-10581. REF FIM 75-23, TASK 801. PERFORMED TEST 12 ACTUATORS TEST. TEST PASSED: NO FAULTS, FAULT IS INTERMITTENT. RE-PERFORMED ELECTRONIC ENGINE CONTROL BITE NO RECENT FAULTS GROUND VERIFICATION SUCCESFUL. TSR ACCOMPLISHED, REF FIM 75-23, TASK 801. ELECTRONIC ENGINE CONTROL BITE SHOWS NO CURRENT OR PAST FAULTS. ACTUATORS TEST SHOWS NO FAULTS. GVI SHOWS NO DEFECTS REF WDM 75-31-12. RESISTANCE CHECKS FROM DP909 TO TBV DP0907 CHANNEL A: D-R/31.6 OHMS, W-R/ 31.3 OHMS, D-W/ 62.8. DP1010 TO DP1007 RESISTANCE CHECKS CHANNEL B: D-R/31.4 OHMS, W-R/31.1 OHMS, D-W/62.0 OHMS. NO DEFECTS NOTED. HMU RECEPTACLES DP0501/DP0601 PINS 20-40 SHOW 15 OHMS. RE-ACCOMPLISHED ELECTRONIC ENGINE CONTROL GROUND TEST. NO FAULTS. R & R NR 1 ENGINE HMU IAW T/C 'S N8473000 & N8473001, NO FAULTS NOTED GROUND VERIFICATION ACCOMPLISHED.