# SDR SWIA201439905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2014
- Submitted: November 13, 2014
- Operation: Air carrier
- Aircraft: [N584SW](https://openairdocs.org/aircraft/N584SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120352
- Aircraft time: 31,505 hours, 43,157 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Valve
- Condition: Failed
- Location: Brake Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201439905

## Discrepancy

WHILE TAXIING AT NORMAL TAXI SPEED WITH ANTI-SKIDS ON, BRAKES FELT SPONGY.  FELT LIKE ACFT WOULD NOT COME TO A STOP UNTIL TAXI SPEED IS VERY LOW AND THEN THE BRAKES FINALLY GRAB BRINGING THE ACFT TO A JOLTING STOP. R & R BLUE SYSTEM BRAKE CONTROL VALVE IAW AMM. PN 39651-2, SN ON 305, SN OFF 734.

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