What was found
(CAN) FDR REMOVED TO DO INCIDENT READOUT. NO 'FDR FAIL' CAUTION LIGHTS REPORTED. COULD NOT GET DATA READOUT. THEN DID ATU RETURN TEST WHICH FAILED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) FDR REMOVED TO DO INCIDENT READOUT. NO 'FDR FAIL' CAUTION LIGHTS REPORTED. COULD NOT GET DATA READOUT. THEN DID ATU RETURN TEST WHICH FAILED.