As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT EQ EXH FAN 1 INOP. TRANSFER TO MDDR 153546(<P>PER FIM 21-26 FT 805 FOUND R ECS FAN CONTROL CARD TO BE AT FAULT. MDDR REMAINS OPEN # 153546 <SPAN>MEL 21-58-05 CAT C</SPAN></P> / <P>20SEP21 - LP 1207811 - ITEM 5 - CVG - REMOVED AND REPLACED M862 CIRCUIT CARD ASSY IAW AMM 20-10-01. OPS CHECK GOOD IAW AMM 21-58-00. NO DEFECTS NOTED. THIS CLEARS MDDR 153546.</P>)