# SDR SIMA201902198001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2019
- Submitted: February 19, 2019
- Operation: Air carrier
- Aircraft: N800AE
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145425
- Aircraft time: 32,826 hours, 29,857 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Control Unit
- Part number: 3621001013
- Part serial: 1424
- Condition: Failed
- Location: Hor Stab Trim
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201902198001

## Discrepancy

PTRIM MAIN INOP WARNING MESSAGE DURING DECENT.-C/A-FOLLOWED FIM TASK 27-43-00-810-801-A. REMOVED AND REPLACED  HORIZONTAL STABILIZER CONTROL UNIT IAW EMB 140 AMM 27-40-01. OPC FAILED, MESSAGE REMIANS ON EICAS. FURTHER T/S REQUIRED. PERFORMED CMC DOWNLOAD AND FOUND "CTRL WHEEL TRIM SW FAULT" MESSAGE. REMOVED AND REPLACED  FO CONTROL YOKE PITCH TRIM SWITCH IAW EMB 140 AMM 27-40-03 OPC FAILED. FURTHER T/S REQUIRED. CLEANED AND INSPECTED CANNON PLUG P1085 AND P1086. RESECURED AND PERFORMED OPERATIONAL CHECK OF HORIZONTAL STABILIZER TRIM SYSTEM IAW EMB AMM 27-40-00. OPC GOOD NO FURTHER DEFECTS NOTED. HORIZONTAL STAB SWITCH ASSY P/N 145-63000-401

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