# SDR YENA2021112200776

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N4022J](https://openairdocs.org/aircraft/N4022J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 10303
- Aircraft time: 909 hours, 140 cycles
- System (JASC): [2297 · Auto Flight System Wiring](https://openairdocs.org/jasc/2297)
- Part: Fcu
- Part number: C12850AC03
- Part serial: C12850016052
- Condition: Failed
- Location: 2ca
- Part time: 909 hours, 140 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021112200776

## Discrepancy

(ETOPS) FLT 20, LHR-JFK. P1-TSI R/R FCU DUE TO PREVIOUS WRITE-UP, PLEASE REMOVE AND REPLACE THE FCU PER AMM 22-81-012. PLEASE MARK THE OLD UNIT AS SOS. ; (RESOLVED ON W/O: 1146268 TASKCARD: NR-00001 )  R/R FCU REF AMM 22-81-12/

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