As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN CRUISE EQUIPMENT COOLING EXHAUST OFF LIGHT ILLUMINATED IN BOTH NORMAL AND ALTERNATE MODES. CREW ABORTED FLIGHT PER SOCC AND RETURNED TO SNA. DEFERRED PER MEL 21-42 VERIFIED ASSOCIATED FAN OPERATES NORMAL. AIRCRAFT REPOSITIONED TO HNL AND EQUIPMENT COOLING EXHAUST FAN LOW FLOW DETECTOR REMOVED AND REPLACED PER AMM 21-27-03-000-802. OPS CHECK OKAY. AIRCRAFT RETURNED TO SERVICE.