# SDR 9JLA2012011204308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2011
- Submitted: January 12, 2012
- Operation: Air carrier
- Aircraft: N918DG
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500054
- Aircraft time: 125 hours, 85 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: DAP0010006
- Part serial: 229950088
- Condition: Defective
- Location: Brake
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2012011204308

## Discrepancy

THE CREW REPORTED THAT DURING LANDING ROLLOUT THAT THE LT BRAKE WAS VERY "TOUCHY" DURING APPLICATION OF BRAKES. THE BRAKE CONTROL UNIT (BCU) WAS REPLACED WITH A MODIFIED BRAKE CONTROL UNIT.  OPS CHECKS WERE SATISFACTORY. OFF PN DAP00100-06, SN 229950088.

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