# SDR SWIA202412031129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2024
- Submitted: December 3, 2024
- Operation: Air carrier
- Aircraft: [N274SY](https://openairdocs.org/aircraft/N274SY), registered now
- Make and model: Emb ERJ 170-200 LL
- Registry model: [EMB ERJ 170-200 LL](https://openairdocs.org/model/embraer-s-a-erj-170-200-ll) (OpenAirDocs)
- Aircraft serial: 17000736
- Aircraft time: 13,892 hours, 11,318 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Slat System
- Condition: Failed
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA202412031129

## Discrepancy

SLAT FAIL CAUTION ON CLIMB OUT. MESSAGE CLEARED ONCE FLAP 1 SELECTED ON APPROACH    (FLIGHT 3858 - FILED CLOSED)    INTERROGATED CMC, FOUND NO ACTIVE FAULTS. BUT FAULT HISTORY FOR PREVIOUS LEG INDICATES 27811021ACE [SLAT SURFACE JAMMED/UNDERSPEED]. REFERENCING ERJ175 FIM 27-80-00, VERIFIED L & R PSU RESOLVERS ARE WITHIN ACCEPTABLE RANGE. R&R'D SFCL REFERENCING ERJ175 AMM 27-53-01. OPS TEST PASSED. FAULT HISTORY NOTED; NOTIFIED MXC. OK FOR CONT'D SVC.

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