# SDR AALA201805163001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2018
- Submitted: May 16, 2018
- Operation: Air carrier
- Aircraft: [N116AN](https://openairdocs.org/aircraft/N116AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6070
- Aircraft time: 14,610 hours, 2,980 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Control Unit
- Part number: 300420601
- Part serial: 3505
- Condition: Faulty
- Location: Fuel Transfer
- 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/AALA201805163001

## Discrepancy

CENTER TANK LEFT TRANSFER FAULT. AIRCRAFT DIVERTED,  ON ARRIVAL IT WAS NOTED A LARGE AMOUNT OF FUEL DRAINING FROM THE RIGHT WING. MAINTNENANCE ACCOMPLISHED TSM 28-26-00-810-809-A.  REPLACED THE FUEL LEVEL SENSING CONTROL UNIT NR 1 IAW AMM 28-46-34, BITE TESTED NORMAL.  ACCOMPLISHED AN OPS TEST OF THE MAIN TRANSFER SYSTEM IAW AMM 28-26-00-710-001-A.  AIRCRAFT WAS GROUNDED

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