# SDR CALA2026051116108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2026
- Submitted: May 11, 2026
- Operation: Air carrier
- Aircraft: [N851UA](https://openairdocs.org/aircraft/N851UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1664
- Aircraft time: 72,838 hours, 32,865 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Coupling
- Condition: Leaking
- Location: Hyd System
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026051116108

## Discrepancy

AFTER NR 1 ENGINE RUN. FOUND WET SPOT UNDER THE FMU. SMELLS LIKE FUEL SUSPECT LEAK FROM ENG 1 HYD SUCTION TUBE QUICK DISCONNECT COUPLING,  REPLACED LEAKING HYDRAULIC HALF COUPLER GREEN SUCTION LINE IAW AMM 29-11-39-400-802-A. NEEDS YELLOW HYDRAULICS SERVICED AND GREEN HYRAULIC RES PRESSURIZED,  ENG RUN & LEAK CK RESERVICED GREEN HYDRAULIC SYSTEM IN REF TO AMM 12-12-29-611-001-A HYDRAULIC HALF COUPLER GREEN SUCTION LINE LEAK CHECK OK REF AMM 29-11-39-400-802-A

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