As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PERFORMANCE TASK CARD 78273000 MESSAGE NR 75-10802 T25 SIGNALS DISAGREE SHORT TIME FAULT DEFERRED, PER T/C 78273000. GROUNDED-YES. EEC NR 2 FAULT HISTORY SHOWS MESSAGE 75-10802 RE-OCCURRING ON LEG 4 AND 8. NO CURRENT FAULTS. REPLACED NR 2 ENGINE PT25 SENSOR. INSTALLATION TEST PASS, REF B737-900 AMM 73-21-02. EEC TEST PASS. ETOPS GROUND VERIFICATION AND REPAIR CONFIRMATION SUCCESSFUL, PER B737-900 FIM 75-33 TASK 805.