Service difficulty report · Pressure Switch · Airbus A320232

Difficulty date
March 27, 2019
Submitted
March 29, 2019
Operation
Air carrier
Aircraft
N497UA
Make and model
Airbus A320232
Aircraft serial
1847
Aircraft time
53,872 hours, 23,437 cycles
Part
Pressure Switch
Part number
3031863001
Part serial
1182
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

Y RSVR LO LVL DISPLAYED ON UPPER ECAM SCREEN. HYD LOW CONFIRMED ON SYS PAGE. FOUND NR 2 ENG YELLOW DRIVEN PUMP PRESS SWITCH LEAKING, REPLACED SWITCH PER AMM 29-13-17, ALSO INSPECTED AND REPLACED CASE DRAIN FILTER ELEMENT, NO METAL FOUND ON ELEMENT OR CASE BOWL PER MM 29-11-43, ALSO REPLACED NR 2 ENG YELLOW HYD DRIVEN PUMP PER MM 29-13-51; REFERENCE L/P 9220086, PERFORMED MM TASK. 29-00-00-280-006-A01 ENGINE PUMP FAILURE OR POSSIBLE CAVITATION CONDITION, ALL PASSED, RAN ENGINE AT IDLE AND PERFORMED OPS TEST OF THE YELLOW HYD SYSTEM, ALL PASSED, ALSO PERFORMED LEAK CHECK OF ALL COMPONENTS CHANGED, NO LEAKS NOTED, ACFT RELEASED BACK TO SERVICE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1286228 SN OFF 1182 IPC REFERENCE # IPC 29-13-51-01B PUMP, HYDRAULIC OFF 31-2914-9-9003 1182 ON 19-2910-9-0003 8364.

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