As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT ENGINE NR 2 LOOP-A LIGHT ILLUMINATED WITH SINGLE STROKE CHIME (SSC) ON MASTER WARNING PANEL (MWP). RAN ABNORMAL PROCEDURE AND TEST WAS SUCCESSFUL. DEFERRED NR 2 ENGINE A-LOOP AS PER MEL 26-12-01-1 CAT-B. ASSIGNED DMI 16774 PLACARD PANEL. REMOVED AND REPLACED FAULTY A-LOOP SENSOR, (FORWARD PYLON DETECTOR ASSEMBLY), AS PER M/M 26-12-12. OPS CHECKED GOOD. THIS CLEARS DMI 16774.