# SDR SWIA202506200016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2025
- Submitted: June 20, 2025
- Operation: Air carrier
- Aircraft: [N506CA](https://openairdocs.org/aircraft/N506CA), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7793
- Aircraft time: 41,803 hours, 41,976 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Regulator Valve
- Part number: 32156222
- Part serial: 476C
- Condition: Warning Message
- Location: Zone 100
- Part time: 7,157 hours, 6,945 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA202506200016

## Discrepancy

R PACK STATUS MESSAGE DURING TAXI. RESET PACK AND EXTINGUISHED. ON DEPARTURE WHEN SWAPPED BLEEDS AND DROPPED APU L PACK HI PRESSURE CAUTION. CABIN ALTITUDE HI CAUTION MESSAGE. REMAINED BELOW 10K FEET. CABIN ALTITUDE CLIMBED TO 9999 FEET. WORKED THROUGH QRH. LANDED IN DENVER.   (FLIGHT 4668)  UPON ARRIVAL, TROUBLESHOT R PACK STATUS MESSAGE. FOUND R PACK CYCLING OFF AND ON CONTINUOUSLY. FOUND RH COMPRESSOR OUTLET TEMP SWITCH CANNON PLUG DISCONNECTED. RE-CONNECTED CANNON PLUG, BUT DID NOT FIX ISSUE. REMOVED AND REPLACED R PACK PRSOV REF CRJ-200 AMM 21-51-43. OPS CHECK GOOD, BUT DID NOT FIX ORIGINAL WRITE UP. PLEASE REFERENCE AML 1631350 FOR L PACK HIGH PRESSURE CAUTION CORRECTIVE ACTION. PLEASE REFERENCE AML 1631351 FOR CABIN ALTITUDE CLIMB TO 9999 FEET CORRECTIVE ACTION. PLEASE REFERENCE AML 1631693 FOR R PACK STATUS MESSAGE DURING TAXI.

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