As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER DEPARTURE FROM PIT CREW NOTICED CAPT'S GYROSCOPIC DIRECTIONAL COMPASS SYSTEM WASN'T WORKING CORRECTLY. SO DECEIDED TO RETURN TO PIT. AIRCRAFT LANDED SAFELY WITH NO FURTHER INCIDENT. T/S REPAIRED PINS 5 AND 7 OF CONNECTOR J203 AT NR 1 FLUX DETECTOR. OPS CK GOOD. P/N FREESTOCK