# SDR RAIA2009122600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2009
- Submitted: December 29, 2009
- Operation: Air carrier
- Aircraft: N812HK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145373
- Aircraft time: 22,816 hours, 19,636 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Trim Switch
- Part number: 3621001013
- Condition: Malfunctioned
- Location: Horiz Stab
- Stage of operation: CR
- 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/RAIA2009122600001

## Discrepancy

CREW REPORTED THE MAIN PITCH TRIM AS BEING INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED THE PITCH TRIM SWITCHES AND THE HSCU.  SYSTEM OPS CHECKED 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.