# SDR SIMA200407201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2004
- Submitted: April 7, 2004
- Operation: Air carrier
- Aircraft: [N648AE](https://openairdocs.org/aircraft/N648AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145225
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Control Unit
- Part number: 3621005009
- Part serial: 4230
- Condition: Malfunctioned
- Location: Horizontal Stab
- Stage of operation: CL
- 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/SIMA200407201

## Discrepancy

ORD - FLT 4098 - PITCH TRIM EICAS WARNING CAME ON.  PITCH TRIM 12 INOPERATIVE BOTH MAIN AND BACKUP TRIM INOPERATIVE. REGAINED FULL CONTROL OF PITCH TRIM AFTER COMPLETING CHECK LIST.  COMPLIED WITH ETN EM-27-028 R1 AND REPLACED THE HSCU PER THE ETN.  (M)

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