# SDR DEMA2020020720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2020
- Submitted: February 7, 2020
- Operation: Air carrier
- Aircraft: [N723FX](https://openairdocs.org/aircraft/N723FX), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B0456
- Aircraft time: 12,441 hours, 10,856 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Caliper
- Condition: Torn
- Location: Rt Brake
- Component: Brake Assy, Cleveland
- Component part number: 03018200
- Stage of operation: TX
- How discovered: O
- Nature of condition: K
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DEMA2020020720

## Discrepancy

PILOT BEGAN TO TAXI FOR TAKEOFF AND REALIZED HIS RIGHT BRAKE WAS UNRESPONSIVE. PILOT RETURNED TO GATE. UPON INSPECTION, FOUND BRAKE CALIPER PISTON PACKING TORN CAUSING LOSS OF BRAKE FLUID. BRAKE CALIPER WAS REMOVED, DISASSEMBLED, CLEANED, REASSEMBLED WITH NEW PACKINGS, AND RE-INSTALLED ON AIRCRAFT. BLED BRAKES. OPS CHECK GOOD AND AIRCRAFT RETURNED TO SERVICE.

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