As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST FLIGHT DIRECTOR DURING PUSHBACK AC RETURNED TO THE GATE AND MAINTENANCE GROUNDED ACFT AND TRANSFERED POWER FD CAME BACK C/W MCDP GROUND TEST 30 IAW AMM 22-00-01. ALL INDICATIONS NORMAL A/C REMAINS CAT 3B OPERATIONAL RETURNED AC TO SERVICE