# SDR SIMA20130919002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2013
- Submitted: September 20, 2013
- Operation: Air carrier
- Aircraft: [N640AE](https://openairdocs.org/aircraft/N640AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145183
- Aircraft time: 33,430 hours, 30,074 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pressure Switch
- Part number: 15793101
- Condition: Inoperative
- Location: Rudder Sys
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20130919002

## Discrepancy

AT FL370,  RUDDER SYS 1-2 INOPERATIVE ON EICAS AS WELL AS HYD QTY 1 LOW AUTO PILOT DISENGAGE AND WEREN`T ABLE TO RE-ENGAGE.  HYD QTY 1 BECAME NORMAL WHEN GEAR EXTENDED.  AFTER LANDING ONLY RUDDER SYS 2 INOPERATIVE INDICATED ON EICAS.  R & R RUDDER NR 1 PRESSURE SWITCH IAW AMM 27-23-04.  OPS CHECKED GOOD.

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