# SDR YENA2026093000914

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2026
- Submitted: September 30, 2026
- Operation: Air carrier
- Aircraft: [N4062J](https://openairdocs.org/aircraft/N4062J), 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: 10839
- Aircraft time: 16,682 hours, 2,483 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: O-Ring
- Condition: Missing
- Location: Control Valve
- 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/YENA2026093000914

## Discrepancy

FLT  387, BOS-BOS. (ETOPS)  AIR L WING LEAK ECAM APPROXIMATELY 8 MINUTES AFTER STARTING NR 1 ENGINE ; FOUND CLAMP FROM NR 1 & 2 OZONE FILTER TO FLOW CONTROL VALVE INSTALLED INCORECTLY & BOTH MISSING O-RING INSTALLED & NEW CLAMPS ON BOTH # 1 & 2 IAW AMM 21-51-41 ALL LEAK & OPS TEST PASSED A/C OK FOR SERVICE AT THIS TIME.

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