# SDR ASOA201101064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2011
- Submitted: May 27, 2011
- Operation: Air carrier
- Aircraft: [N828AS](https://openairdocs.org/aircraft/N828AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7213
- Aircraft time: 30,911 hours, 27,372 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Panel
- Part number: 2116746
- Part serial: 57C0029
- Condition: Intermittent
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA201101064

## Discrepancy

DURING CLIMBOUT, ACFT FAILED TO PRESSURIZE. CABIN WAS CLIMBING AT SAME RATE AS ACFT.   WE GOT CABIN ALT CAUTION .  RAN QRH.  PRESSURIZATION DID NOT RESPOND IN MANUAL MODE.  ACFT DELTA P WAS AT ZERO.  RETURNED TO LAND.   ACFT RETURNED TO DEPARTURE AFTER T/O -- EMERGENCY DECLARED AS A PRECAUTION.  REMOVED AND REPLACED PRESSURE CONTROL PANEL , OP CHECKS GOOD IAW AMM 21-31-10.  NO FURTHER DEFECTS, ACFT PRESSURIZED NUMEROUS TIMES WITH APU AND ENGINE BLEEDS.

---
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.