# SDR SIMA20180118003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2018
- Submitted: January 19, 2018
- Operation: Air carrier
- Aircraft: [N846AE](https://openairdocs.org/aircraft/N846AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145692
- Aircraft time: 28,453 hours, 24,552 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Control Unit
- Part number: 3621001013
- Part serial: 1238
- Condition: Failed
- Location: Horizontal Stab
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20180118003

## Discrepancy

PITCH TRIM BACKUP INOPERATIVE, WHEN AUTO PILOT ENGAED.  PERFORMED TROUBLESHOOTING IAW FIM. R & R THE HORIZONTAL STABILIZER CONTROL UNIT IAW AMM 27-43-02. OPS CHECKED GOOD.

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