What was found
PDIS 782 34-11 4300 23FEB21 MDT FACT U LOG PAGES: 2980148 FO AIR DATA INSTRUMENTS WENT BLANK DURING TO ROLL. R/I 23FEB21 05:38 MDT U REASON CODE: PREMATURE REMOVAL/INSTALLATION OFF MPN: 4040800-912 POS: 2 SRL: 90032121 TAG NBR: 6852G2 ON MPN: 4040800-912 CPN: 3414864 SRL: 90022096 TAG NBR: 5627C1 FACT 23FEB21 05:38 MDT U FOUND RIGHT AIR DATA COMPUTER FAULTED, REMOVED AND REPLACED RIGHT ADC REF AMM 34-12-01-4. ACCOMPLISHED TEST 30 REF AMM 22-10-00-5. NO CURRENT FAULTS NOTED AT THIS TIME. OPS CHECK GOOD.