# SDR SIMA20140528002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2014
- Submitted: May 29, 2014
- Operation: Air carrier
- Aircraft: [N641AE](https://openairdocs.org/aircraft/N641AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145191
- Aircraft time: 35,561 hours, 31,750 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 22250N030301
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140528002

## Discrepancy

DURING CLIMB OUT ON FLIGHT 3362 CREW REPORTED A LOUD SQUEAL HEARD IN COCKPIT.  AT FLT 20,000, CABIN ALT 2600, CABIN RATE AT 0, CAB DELTA P AT 6.6 CABIN RATE DID NOT CHANGE.  DECLARED EMERGENCY FOR CABIN PRESS THE ACFT WAS REMOVED FROM SERVICE.  BONDED LOWER SECTION OF DV SEAL IAW ETN-EM-56-034, AMM 56-11-00 & R & R DIGITAL CONTROLLER IAW AMM 21-31-01 OPERATIONS CHECKED GOOD.  THE ACFT RETURN SERVICE.

---
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.