# SDR SWIA200514731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2005
- Submitted: March 23, 2005
- Operation: Air carrier
- Aircraft: N587SW
- Make and model: Cndair CL6002B19
- Aircraft serial: 7062
- Aircraft time: 23,695 hours, 21,677 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Condition: Damaged
- Location: Cabin Air
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200514731

## Discrepancy

IN CRUISE AT FL340, CABIN ALT BEGAN TO DECREASE.  DESCENDED TO FL240 AND CABIN CONTINUED TO DESCEND RAPIDLY.  CABIN ALTITUDE REACHED 16,000 FT AND PAX O2 MASKS DROPPED.  DIVERTED TO GJT.  REPLACED LT PACK SUPPLY DUCT.  OPERATIONAL CHECK NORMAL IAW MM 21-31-16-710-801, 21-51-13, 21-51-00-710-801.

---
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.