# SDR SIMA200433401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2004
- Submitted: January 4, 2005
- Operation: Air carrier
- Aircraft: [N853AE](https://openairdocs.org/aircraft/N853AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145742
- Engine: Allsn AE3007A
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Control Unit
- Part number: 3621005009
- Part serial: 4455
- Condition: Failed
- Location: Horiz Stab
- Part time: 3,321 hours, 2,915 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200433401

## Discrepancy

CREW REPORTED MAIN AND BACKUP PITCH TRIM FAILURE.  REPLACED HORIZONTAL STABILIZER CONTROL UNIT.  OPERATIONAL CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  (SW21200501201)

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