# SDR DALA2025062304684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2025
- Submitted: June 23, 2025
- Operation: Air carrier
- Aircraft: [N596NW](https://openairdocs.org/aircraft/N596NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32996
- Aircraft time: 73,891 hours, 24,462 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Line
- Condition: Faulted
- Location: Zone 100
- Part time: 105,800 hours, 23,508 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025062304684

## Discrepancy

SHIP 5816 -PRES- DUE TO CABIN ALT WARNING. CORRECTIVE ACTION: REPLACED LEFT PACK CONDENSER AND SUPPLY LINE. REPLACED AFT CARGO DOOR SEAL AND CABIN PRESSURE CONTROLLERS 1 AND 2 AND COCKPIT CONTROL PANEL.

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