# SDR I5EA2023051100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2023
- Submitted: May 11, 2023
- Operation: Air carrier
- Aircraft: [N916BR](https://openairdocs.org/aircraft/N916BR), registered now
- Make and model: Boeing 737-8AS
- Registry model: [Boeing 737-8AS](https://openairdocs.org/model/boeing-737-8as) (OpenAirDocs)
- Aircraft serial: 29916
- Aircraft time: 66,728 hours, 45,502 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5EA2023051100001

## Discrepancy

CABIN ALT LIGHT ILLUMINATED AT FL390, PRESS CONTROLLER IN ALT MODE PER MEL 21-14-03, CABIN CONTINUED TO CLIMB TO 10,000, CONTINUED TO 11,000 CABIN CONTROLLER IN MAN MODE. EMERGENCY DECENT WITH OUTFLOW VALVE INDICATING CLOSED

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