What was found
AFTER TAKEOFF, CAPAIN'S HSI AND ADI GOES DARK WHEN HYD PUMP CYCLES IN FLIGHT. MAINTENANCE REPLACED 69PC RELAY, OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, CAPAIN'S HSI AND ADI GOES DARK WHEN HYD PUMP CYCLES IN FLIGHT. MAINTENANCE REPLACED 69PC RELAY, OPS CHECKS GOOD.