# SDR DALA2024021402193

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2024
- Submitted: February 14, 2024
- Operation: Air carrier
- Aircraft: [N123DW](https://openairdocs.org/aircraft/N123DW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 10234
- Aircraft time: 8,887 hours, 3,824 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Check Valve
- Part number: UNKNOWN
- Condition: Faulted
- Location: Apu Bleed
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024021402193

## Discrepancy

SHIP 1023 - DIV - TO MEM DUE TO AIR APU BLEED LEAK ECAM MESSAGE. DUE TO ICING COULD NOT CONTINUE TO ATL. CORRECTIVE ACTION: FOUND APU CHECK VALVE (7260HM) STICKING AND NOT SEATING PROPERLY. REPLACED APU CHECK VALVE. LEAK CHECK GOOD. (LP 4203536)

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