# SDR MASA2015110612525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2015
- Submitted: November 7, 2015
- Operation: Air carrier
- Aircraft: [N948LR](https://openairdocs.org/aircraft/N948LR), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15118
- Aircraft time: 12,675 hours, 12,444 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Malfunctioned
- Stage of operation: CR
- 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/MASA2015110612525

## Discrepancy

LEFT BLEED DUCT WARNING IN FLIGHT, CABIN ALTITUDE CLIMBED WITH LT PACK OFF, EMERGENCY DECLARED,  RAPID DESCENT CAUSED OXYGEN MASKS TO DEPLOY.   MAINTENANCE IS TROUBLESHOOTING.

---
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.