# SDR DALA2023053004332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2023
- Submitted: May 31, 2023
- Operation: Air carrier
- Aircraft: [N822NW](https://openairdocs.org/aircraft/N822NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1627
- Aircraft time: 35,194 hours, 4,445 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023053004332

## Discrepancy

SHIP 3322 REPORTED CLIMB TO FL330 FROM FL270 CLIMBING TROUGH FL 31.6 RECEIVED CAB PR SAFETY VALVE OPEN ECAM MSG. AP@8.7 DESCENDED TO FL 29.0 ECAM CLEARED. CORRECTIVE ACTION: OPS TEST OF CAB SAFETY VALVE C/O. LOAD 16 ACMS REPORT SHOWS MAX DIF PRESS AT 8,7 PSI. CPC#1 AND #2 TESTED. NO FAULTS FOUND. (4659588)

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