# SDR DJFA20120802001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2012
- Submitted: August 13, 2012
- Operation: Air carrier
- Aircraft: [N444FL](https://openairdocs.org/aircraft/N444FL), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK292
- Aircraft time: 6,722 hours, 5,727 cycles
- Engine: Pwa JT15D5
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Master Cylinder
- Part number: 45AS38401011
- Part serial: 2236
- Condition: Inoperative
- Location: Lt Brakes
- 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/DJFA20120802001

## Discrepancy

DURING TAXI, CREW REPORTED LT BRAKE PEDAL ON BOTH SIDES TO BE INEFFECTIVE WITH ANTI-SKID ON AND OFF.  MX FOUND THE LT MASTER CYLINDER FAILED.  BOTH MAIN WHEEL BRAKES AND THE LT BRAKE MASTER CYLINDER WERE REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.