# SDR SIMA20260704001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N776MS](https://openairdocs.org/aircraft/N776MS), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000050
- Aircraft time: 55,268 hours, 36,564 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Warning Message
- Condition: False Activation
- Location: Zone 700
- Stage of operation: LD
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20260704001

## Discrepancy

BRAKE RT & LT FAULT MESSAGE DISPLAYED ON EICAS WHEN MLG EXTENDED. WENT AROUND AND RAN QRH PROCEDURE. BOTH LEFT AND RIGHT BRAKE PEDALS WERE VERY DULL AND AIRCRAFT WAS STRUGGLING TO STOP WITH FULL PRESSURE APPLIED AND BRAKES DID NOT SEEM TO BE APPLYING EVENLY AS AIRCRAFT WAS PULLING LEFT AND RIGHT WHEN BRAKING. EXITED THE RUNWAY AND AIRCRAFT WAS TOWED TO THE GATE. EMERGENCY DECLARED. CMC FAULT CODE 32411020BCM. PERFORMED MAIN BRAKE PRESS TRANSDUCER FUNCTIONAL CHECK, MAIN BRAKE AND EMER/PARK BRAKE OPS CHECKS AND PERFORMED LOW AND HIGH-SPEED TAXI CHECKS WITH FLIGHT CREW PER EMB 170 AMM 32-41-00-720-802-A, 32-41-00-710-801-A, AND 32-44-00-710-801-A. FUNCTIONAL, OPS, AND TAXI CHECKS GOOD, NO DISCREPANCIES NOTED

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