# SDR YENA2024070800945

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2024
- Submitted: July 8, 2024
- Operation: Air carrier
- Aircraft: [N4077J](https://openairdocs.org/aircraft/N4077J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 11604
- Aircraft time: 2,348 hours, 357 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Selector
- Part number: 74438311
- Part serial: 744383IN00340
- Condition: Unknown
- Location: Fuel Transfer
- Part time: 1,398 hours, 204 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2024070800945

## Discrepancy

FLT#1621, LHR-BOS. (ETOPS) 'FUEL ACT XFR FAULT ( AUTO TRANSFER SYSTEM (ACT) 1), 2) ADDITIONAL CENTER TANK(S) (ACT) ); PILOT REPORTED THAT AFTER REFUEL PROCEDURE, ACT XFR FAULT CLEARED AND XFR FUNCTION WORKED NORMALLY ON FLIGHT TO BOS ( SEE DEFECT 4028937, ITEM 1 (INFO NOTED BY MX.)). REMOVED AND REPLACED REFUEL PRESELECTOR AS PRECAUTIONARY DUE TO PFR AND AVIATAR REPORTS.OPS CHECK GOOD. REF AMM 28-42-21. MX-4 UPDATED AND PLACARD REMOVED.'

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