Service difficulty report · Coupling · Airbus A319131

Difficulty date
May 7, 2026
Submitted
May 11, 2026
Operation
Air carrier
Aircraft
N851UA
Make and model
Airbus A319131
Aircraft serial
1664
Aircraft time
72,838 hours, 32,865 cycles
Part
Coupling
Condition
Leaking
Location
Hyd System
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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