# SDR AALA201811199013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2018
- Submitted: November 19, 2018
- Operation: Air carrier
- Aircraft: [N579UW](https://openairdocs.org/aircraft/N579UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6100
- Aircraft time: 16,146 hours, 6,264 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Computer
- Part number: B539AAM0308
- Part serial: 1853
- Condition: Faulty
- Location: Fuel Qty
- Part time: 19,765 hours, 7,764 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201811199013

## Discrepancy

AFTER TAKEOFF,  CREW RECEIVED A FUEL AUTO TRANSFER FAULT ON ECAM,  TEN MINUTES LATER, THE LEFT TANK SHOWS MULTIPLE ERRONEOUS READINGS.  FUEL INIT PAGE CHANGE BACK TO FF & FQ TRIGGERING FUEL USED/FOB DISAGREE ECAM. THIS DIRECTS FUEL LEAK PROCEDURE.  TURNED OFF CENTER TANK L/R TRANSFER WITH RIGHT TANK CONSTANT AT 13,700. UNABLE TO CONFIRM IF FUEL WAS VENTED OUT OF L/R WING. THE AIRCRAFT WAS GROUNDED. REPLACED THE FUEL QUANTITY INDICATING COMPUTER IAW AMM 28-42-34. OPS CHECKED NORMAL.

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