# SDR YENA2026060100496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2026
- Submitted: June 1, 2026
- Operation: Air carrier
- Aircraft: [N4080J](https://openairdocs.org/aircraft/N4080J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11861
- Aircraft time: 8,442 hours, 1,289 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Accumulator
- Part number: SB209L1A11484
- Part serial: 130765
- Condition: Failed
- Location: Zone 100
- Part time: 8,442 hours, 1,289 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/YENA2026060100496

## Discrepancy

FLT # 1620, BOS-BOS. (ETOPS) "UPON 1ST ENGINE START GOT A HYD BLUE RESERVOIR LOW LEVEL - BLUE PUMP OFF PER ECAM; R+R HYD SYS ACCUMULATOR BLUE SYS OPS CHK GOOD, NO LEAKS AT THIS TIME IAW AMM 29-12-42."

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.