What was found
RECURRING MALFUNCTION. ORIGINAL DISCOVERY T2PL6D00D5PN2 09/27/25 CLOSED WO T2PL6D00D5PN5 09/30/25. THIS FLIGHT, 09/30/25, AGAIN OBSERVED CAS MESSAGE "FUEL SCAV FAIL-R" (A) DURING DESCENT. QRH PROCEDURE EXTINGUISHED CAS MESSAGE. CORRECTIVE ACTION: REMOVED SUSPECTED DEFECTIVE FUEL SENSING UNIT AND INSTALLED CUSTOMER SUPPLIED NEW SENSING UNIT P/N 722888-2-0 5/N 01384 IAW AMM 28-40-20. PERFORMED OPS CHECK PER AMM 28-40-20 ,OPS CHECK NORMAL