What was found
AT GATE DURING ENGINE SHUTDOWN WITH START LEVERS CUTOFF THE #2 ENGINE SHOWED "ENGINE FAILURE" MOMENTARILY. GROUNDED - YES. ACCOMP B737-900 FIM 73-05 TASK 805, STEPS A(3) AND STEPS (13), (17) DEU INPUT MONITORING TEST. ACCOMPLISHED VOLTAGE/GRND/CONTINUITY CHECKS REF B737-900 FIM 73-05 TASK 805 TABLE 210, ALL CHECKS GOOD, RPLCD #2 ENG START LEVER RELAY R568 IN J24 BOX PER STEP E.(21)(G) AND ACCOMP #2 ENG RUN AND SHUTDOWN PROCEDURE REF B737-900 AMM 71-00-00, ALL OPS NRML AND "ENGINE FAILURE" MESSAGE REMAINED EXTINGUISHED. PERFORMED POST-INSTLN CABIN PRESSURIZATION LEAK TEST REF AMM 53-14-01, LEAK TEST GOOD. ETOPS SIGNIF SYS - GRND VERIFICATION SUCCESSFUL.