# SDR GLBA2005603

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2005
- Submitted: December 1, 2005
- Operation: Air carrier
- Aircraft: N297UX
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120297
- Aircraft time: 180,903 hours, 20,119 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: S, J
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA2005603

## Discrepancy

25K AT REDUCED POWER FOR CRUISE, CABIN ALTITUDE ROSE RAPIDLY, SWITCHED PACKS TO NORMAL, CABIN ALTITUDE STABILIZED FOR 5 MINUTES THEN LOST CABIN CONTROL, OXYGEN MASKS DEPLOYED, MEL'D SYSTEM CONTROL NR 22377.

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