# SDR SWIA972154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2000
- Submitted: December 11, 2000
- Operation: Air carrier
- Aircraft: [N207SW](https://openairdocs.org/aircraft/N207SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120266
- Aircraft time: 23,274 hours, 28,709 cycles
- Engine: Pwa PW118B
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Controller
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA972154

## Discrepancy

DESCENDING FROM FLIGHT LEVEL 260 CABIN ALTITUDE LIGHT ILLUMINATED ON THE MAP.  LOST CONTROL OF CABIN ALTITUDE IN BOTH AUTO AND MANUAL MODES.  MASKS DROPPED.     PRESSURIZED AIRCRAFT ON GROUND IN MANUAL MODE.  COULD NOT PRESSURIZE IN AUTO MODE.  REMOVED AND REPLACED ELECTRONIC CONTROLLER IAW MM 21-30-01.  OPS CHECKS GOOD.    PN ON:  22201T011400        SNON:  493       SNOFF:  530

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