# SDR GLBA2017030700638

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2017
- Submitted: March 7, 2017
- Operation: Air carrier
- Aircraft: [N231YV](https://openairdocs.org/aircraft/N231YV), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE231
- Aircraft time: 39,169 hours, 49,133 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Condition: Contaminated
- Location: Brake System
- Stage of operation: NR
- 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/GLBA2017030700638

## Discrepancy

SIG EVENT - THE CREW REPORTED THAT THE CAPTAIN'S LEFT HAND BRAKE WAS SPONGY AND INEFFECTIVE. MAINTENANCE BLED THE CAPTAIN'S LEFT HAND BRAKE IAW BEECH 32-40-05. OPS CHECK GOOD.

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