What was found
AFTER LANDING, RIGHT "ENGINE CONTROL" OVERHEAD PANEL LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED TASK 71-00-00-00-700-807-F00, RESULT OF TEST WAS FAULT 75-30532. REPLACED #2 ENGINE LPTACC VALVE PER B737-800 AMM 75-22-04. LEAK CK OK FAILED ACTUATORS TEST 12. R/R #2 ENG EEC REF MM 73-21-60, TEST PASSED. DURING HIGH POWER RUN #2 ENGINE CONTROL LIGHT ILLUMINATED. EEC LOGGED MSG 75-30432 VBV DEMAND AND POSITION SIGNAL DISAGREE AND 75-30532 LPTACC DEMAND AND POSITION SIGNAL DISAGREE. BOTH DUAL CHANNEL FAULTS. SUSPECT BAD HMU REF FIM 75-22 TASK 801 DUAL CHANNEL FAULT. SEE L/P 60224021 FOR HMU REPLACEMENT. NO FAULTS AFTER HMU REPLACEMENT OF HMU ON L/P 60224021. #2 ENG IDS SERVICEABLE.