# SDR SIMA200313207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2003
- Submitted: July 11, 2003
- Operation: Air carrier
- Aircraft: [N810AE](https://openairdocs.org/aircraft/N810AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145525
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Switch
- Part number: 83990139
- Part serial: 1139
- Condition: Inoperative
- Location: Thrust Reverser
- Stage of operation: TO
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200313207

## Discrepancy

WHEN BOTH ENGINES WERE ADVANCED FOR TAKEOFF, THE NR 2 ENGINE REACHED N1 OF 70 PERCENT AND THEN DROPPED TO IDLE SPEED, THEN JUMBED BACKUP TO 70 PERCENT N1.  THE CREW NOTICED A YAW MOTION ON THE AIRCRAFT.  THE TAKEOFF WAS ABORTED.  MAINTENANCE REMOVED AND REPLACED THE ENGINE TWO THRUST REVERSER LOWER DEPLOY SWITCH IAW EMB MM.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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