# SDR DALA2022091906202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2022
- Submitted: September 19, 2022
- Operation: Air carrier
- Aircraft: [N383DZ](https://openairdocs.org/aircraft/N383DZ), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8916
- Aircraft time: 9,961 hours, 4,366 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: None
- Condition: None
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022091906202

## Discrepancy

ON DESCENT INTO SLC ECAM MSG CAB PR LO DIF PR. CHKD SAFETY VALVES IAW AMM 21-31 NO DEFECTS NOTED BITE TEST PASSED REF TSM 21-31(226671) CONTINUED TO T/S IN REF TSM 21-31 TASK 810-808 AND TSM 21-31-TASK 810-810 UPON FURTHER VINSPECTION SUSPECT SAFETY OUTFLOW VALVE (6HL) TO BE FAULTING R&R SAFETY VALVE (6HL IN REF A321 AMM 21-31 OPS NORMAL OPS CHECK OUTFLOW VALVE REF TO A321 AMM 21-31 OPS TEST GOOD. (LP# 9006988)

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