# SDR MASA2024062700065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2024
- Submitted: June 28, 2024
- Operation: Air carrier
- Aircraft: [N950LR](https://openairdocs.org/aircraft/N950LR), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15119
- Aircraft time: 30,238 hours, 25,910 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Message
- Condition: Illuminated
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA2024062700065

## Discrepancy

L BLEED DUCT WARNING MSG, CABIN ALT WARNING CURRENTLY OUT OF SERVICE AND TEROUBLESHOOTING. THE CABIN ALT WARNING WAS A DIRECT RESULT OF THE BLEED VALVES CLOSING AFTER THE MESSAGE PERSISTED FOR MORE THAN 30 SECONDS WITHOUT A CONFIGURATION CHANGE PER THE QRH. ALL MASKS DROPPED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
