# SDR SWIA200211432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2002
- Submitted: November 8, 2002
- Operation: Air carrier
- Aircraft: N197SW
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120186
- Aircraft time: 32,122 hours, 40,171 cycles
- Engine: Pwa PW118A
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 2091G010800
- Part serial: 400
- Condition: Malfunctioned
- Location: Cabin Pressure
- Part time: 6,010 hours, 6,783 cycles
- 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/SWIA200211432

## Discrepancy

AUTO PRESSURIZATION UNABLE TO CONTROL PRESSURE.   CONTRACT MAINTENANCE PERFORMED MX PROCEDURE FOR DEFERRAL.  NEXT FLIGHT RETURNED TO GJT WITH MANUAL PRESSURIZATION INOPERATIVE REMOVED AND REPLACED ELECTRO OUTFLOW VALVE IAW MM 21-30-03.   OPS CHECK GOOD.

---
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.