- Difficulty date
- November 23, 2025
- Submitted
- November 24, 2025
- Operation
- Air carrier
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11679
- Aircraft time
- 6,856 hours, 1,275 cycles
- Part
- Fmc
- Part number
- 74434113
- Part serial
- 2QN
- Condition
- Faulted
- Location
- Zone 100
- Part time
- 8,906 hours, 1,530 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 133, BOS-SFO. (ETOPS) ECAM FUEL ACT XFR FAULT ( CAUTION ON ECAM 5) ACT XFR FAULT (ACT) ); PER TECH SUPPORT REMOVED AND REPLACED AFMC (2QN) IAW AMM 28-51-35. OPS CHK GOOD. ACCOMPLISHED PRIMING OF ACT FUEL PUMPS & ACT FUEL TRANSFER IAW AMM 28-00-00. OPS CHK GOOD. NO FAULTS/MSGS. THIS CLEARS MDDR. PLAC REMOVED. MX-4 UPDATED. MCC NOTIFIED.