# SDR SIMA20251214002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2025
- Submitted: December 15, 2025
- Operation: Air carrier
- Aircraft: [N783LC](https://openairdocs.org/aircraft/N783LC), registered now
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000018
- Aircraft time: 42,840 hours, 32,685 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Seal
- Condition: Failed
- Location: Flap Sys
- Stage of operation: LD
- 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/SIMA20251214002

## Discrepancy

FLAP FAIL OCCURRED UPON RETRACTING FLAPS FROM POSITION 1 TO POSITION 0. EMERGENCY DECLARED. PERFORMED FLAP SYSTEM OPS TEST IAW AMM 27-50-00-710-801. REINSTALLED LT INBD FLAP OTBD AERODYNAMIC SEAL IAW 57-51-02 OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.