# SDR AALA202412032271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2024
- Submitted: December 3, 2024
- Operation: Air carrier
- Aircraft: [N189UW](https://openairdocs.org/aircraft/N189UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1425
- Aircraft time: 74,948 hours, 28,879 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Compensator
- Part number: 201490101
- Part serial: 325
- Condition: Warning Message
- Location: Zone 500 Fuel
- Part time: 71,813 hours, 27,777 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/AALA202412032271

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A LEFT WING OVERFLOW ECAM MESSAGE DISPLAYED AND TURNED OFF LEFT TRANSFER PER ECAM PROCEDURES. MAINTENANCE REPLACED THE LEFT HAND DUAL COMPENSATOR PER AMM 28-42-46 (AALA202412032271), AS WELL AS THE LEFT HAND OVERFLOW SENSOR PER AMM 28-46-16. (AALA202412031911). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.

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