# SDR CALA2020021200405

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2020
- Submitted: February 12, 2020
- Operation: Air carrier
- Aircraft: [N852UA](https://openairdocs.org/aircraft/N852UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1671
- Aircraft time: 58,091 hours, 25,308 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Clamp
- Condition: Failed
- Location: Cabin Air
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020021200405

## Discrepancy

UNABLE TO PRESSURIZE AIRCRAFT IN CLIMB. OUTFLOW VALVE CONFIRMED CLOSED AND ECAM CAB PR EXCESS CAB ALT DISPLAYED. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN OPEN PACK 2 BAY LOOK FOR LEAKS MAC RELATED WORK ORDER 000000002351443 AND PRTR FOUND TUBE GOING TO ACM  CLAMP CAME APART AND LAYING IN PACK BAY . REINSTALLED CLAMP. AND RAN #2 PACK NO LEAKS NOTED PACK NOW RUN NING CORRECTLY. AMM 21-52-21 MAC METER INITIATED FOR     WITH VENDOR ID V926967 FOUND TUBE GOING TO ACM  CLAMP CAME APART AND LAYING IN PACK BAY . REINSTALLED CLAMP. AND RAN #2 PACK NO LEAKS NOTED PACK NOW RUN NING CORRECTLY. AMM 21-52-21

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