# SDR DALA2026080304465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2026
- Submitted: August 3, 2026
- Operation: Air carrier
- Aircraft: [N502DX](https://openairdocs.org/aircraft/N502DX), 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: 10467
- Aircraft time: 18,706 hours, 4,505 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026080304465

## Discrepancy

HYD - DECLARED EMERGENCY INTO LAX DUE TO LOSS OF THE GREEN HYDRAULIC SYSTEM PRESSURE AND PARTIAL FLUID LOSS BEFORE PUMP WAS ISOLATED AND SHUT OFF. MANUAL GEAR EXTENSION PERFORMED.   REPLACED DAMAGED DRAIN PLUG O-RING AT THE #1 EDP. (LP# 8926528; AIRCRAFT WAS GROUNDED)

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