# SDR SIMA200414203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2004
- Submitted: June 25, 2004
- Operation: Air carrier
- Aircraft: [N620AE](https://openairdocs.org/aircraft/N620AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145102
- Engine: Allsn AE3007C
- System (JASC): [2731 · Elevator Tab Control System](https://openairdocs.org/jasc/2731)
- Part: Control Unit
- Part number: 3621005009
- Part serial: 4355
- Condition: Failed
- Location: Pitch Trim
- Stage of operation: DE
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200414203

## Discrepancy

CREW HAD A DUAL PITCH TRIM FAILURE DURING DESCENT AT 210 KTS AND ALT OF 6,000 FT.  FLAPS WERE AT 9 AND SPEED BRAKES WERE BEING DISENGAGED.  REPLACED HSCU IAW MFG AMM.  OPERATIONAL CHECK GOOD.  AC RETURNED TO SERVICE. (SW21200406970)

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