Service difficulty report · Accumulator · Airbus A320232

Difficulty date
July 11, 2022
Submitted
July 11, 2022
Operation
Air carrier
Aircraft
N426UA
Make and model
Airbus A320232
Aircraft serial
510
Aircraft time
87,746 hours, 34,571 cycles
Part
Accumulator
Part number
NA
Condition
Leaking
Location
Y System
Stage of operation
UK
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

*EMERGENCY DECLARED* HYDRAULIC QUANTITY LOW RIGHT OR YELLOW SYSTEM YELLOW HYD QUANTITY 0 IS THE AREA OF CONCERN. UPON ARRIVAL, CHECKED YELLOW SYSTEM QUANTITY AND SOME FLUID REMOVED YELLOW SYTEM ACUMALATER REF MM29-13-42-000-001-A. PTU YELLOW ACCUMULATOR WAS LEAKING FROM TOP OF ASSY METAL NUT AND LEVEL INDICATION STILL SHOWING. ENOUGH TO OPEN AND CLOSE BOTH DISCONECTED FROM UNION. ACCUMULATOR WAS MAIN CAUSE OF LEAK. CARGO DOORS. LEAK APPEARS TO BE INSIDE THE R/H PANEL WHERE THE MANUAL GEAR HANDLE IS LOCATED. THE ACCUMULATOR VIEWED UP INBD REPLACED 2 EA PACKING REF IPC 29-13-03-06B ITEM 160, 190. NOTED. RE-INSTALLED YELLOW ACCUMULATOR REF AMM TASK 29-13-42-400-001-A, BLEEDING OF THE YELLOW HYDRAULIC SYSTEM DOWNSTREAM OF THE ENGINE PUMP REF AMM TASK 29-00-00-870-007-A LEAK CHECK GOOD , NO LEAK

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