What was found
SMOKE CARGO WARNING DURING CLIMB. PROCEEDED VIA QRH. RETURNED TO FIELD. REMOVED AND REPLACED BOTH LEFT AND RIGHT SMOKE DETECTORS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMOKE CARGO WARNING DURING CLIMB. PROCEEDED VIA QRH. RETURNED TO FIELD. REMOVED AND REPLACED BOTH LEFT AND RIGHT SMOKE DETECTORS.