# SDR DALA2025102707846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2025
- Submitted: October 27, 2025
- Operation: Air carrier
- Aircraft: [N364NB](https://openairdocs.org/aircraft/N364NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 2002
- Aircraft time: 57,110 hours, 29,569 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Heat Exchanger
- Condition: Cracked
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025102707846

## Discrepancy

SHIP 3164 - PRES - AND EMERGENCY DECLARED DUE TO CAB PR EXCESS CAB ALT ECAM WARNING AT 34,000 FEET. BEGAN DESCENT AND CABIN STARTED TO RECOVER ABOUT 28,000 FEET. CORRECTIVE ACTION: FOUND THE PRIMARY HEAT EXCHANGER WITH A LARGE CRACK, AND THE ACM INLET GASKET LEAKING. REPLACED LEFT PRIMARY AND MAIN HEAT EXCHANGER, AND FLOW CONTROL VALVE. OPS CHECK GOOD. (LP 8017011)

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