# SDR SIMA20211229002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2021
- Submitted: January 2, 2022
- Operation: Air carrier
- Aircraft: [N221NN](https://openairdocs.org/aircraft/N221NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000525
- Aircraft time: 14,645 hours, 9,705 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Ecu
- Condition: Faulted
- Location: Slat System
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20211229002

## Discrepancy

REF AML 4604436-1, SLAT FAIL MESSAGE ON EICAS DURING CRUISE AND ON LANDING. DECLARED EMERGENCY. -C/A-SLEIGHTED FLAP/SLAT ELECTRONIC CONTROL UNIT FOR T/S PURPOSES. DID NOT FIX PROBLEM. REINSTALLED FLAP/SLAT ELECTRONIC CONTROL UNIT AS REQUIRED IAW EMB 175 AMM 27-53-02. OPS CHECK GOOD. SEE ITEM 3.

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