Service difficulty report · Check Valve · Airbus A321211

Difficulty date
September 22, 2026
Submitted
September 25, 2026
Operation
Air carrier
Aircraft
N185UW
Make and model
Airbus A321211
Aircraft serial
1666
Aircraft time
78,331 hours, 30,488 cycles
Engine
Cfmint CFM565B3P
Part
Check Valve
Part number
2293B020000
Part serial
22302
Condition
Cracked
Location
Nr 1 Engine
Stage of operation
DE
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: ENGINE 1 STALL MESSAGE ON ECAM AT BEGINNING OF DESCENT FROM FL360 - THE ENGINE RECOVERED ITSELF WITHIN A FEW SECONDS AND THE ENGINE OPERATED NORMALLY FOR REMAINDER OF THE FLIGHT - MAINTENANCE THE INLET PRESSURE CHECK VALVE HAD 2 CRACKED HOLES AND REPLACED IT PER AMM 36-11-41 *AALA202609258964* - MAINTENANCE ALSO FOUND THE VBV POSITION SENSOR FEEDBACK ROD JAMNUT WORN CAUSING EXCESSIVE PLAY AND REPLACED THE FEEDBACK ROD PER AMM 75-31-70 *AALA202609253874* - A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED

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