As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK, DURING CLIMBOUT BOTH INST WARNING LIGHTS WITH ATT LIGHT ILLUMINATED. CAPT`S ADI ATT AND COMPAS FLAG IN VIEW. CAPTS HSI HDG, FLAG IN VIEW. REMOVED AND REPLACED NR 1 INU IAW 34-41-03. COOLING SYSTEM TESTED OK AND INS NAV TEST OK. (K)