# SDR GLBA2016060600591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2016
- Submitted: June 6, 2016
- 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: 38,668 hours, 48,597 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: 9038000133
- Part serial: 2912
- Condition: Worn
- Location: Brake System
- Part time: 7,572 hours, 8,708 cycles
- Stage of operation: TX
- 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/GLBA2016060600591

## Discrepancy

PILOT REPORTED THAT THE CAPTAINS SIDE LT BRAKE PEDAL IS NOT HOLDING & WENT TO THE FLOOR.  REPLACED THE CAPTAINS LT BRAKE CYLINDER IAW 32-40-06, PN 90-380001-33 & SN 2912 OFF, SN 3549 ON, BRAKE BLEED & OPERATIONS CHECKED GOOD.

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