As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED 'A/P P/RST' BRIEFLY ILLUMINATED ON BOTH CAPTAIN AND FIRST OFFICER ANNUNCIATOR PANELS DURING TAKEOFF AT APPROXIMATELY 100 KNOTS. CONTINUED TAKEOFF. AUTO PILOT ENGAGED NORMALLY. GROUNDED - YES. REMOVED AND REPLACED FCC 'A' PER B737-800 AMM 22-11-33/401. OPS CK'D FCC 'A' REF MM 22-11-33-400-801. OPS NML. ETOPS SIGNIFICANT SYS-GND VERIFICATION SATISFACTORY.