# SDR 6CBA2026010826001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2026
- Submitted: January 8, 2026
- Operation: Air carrier
- Aircraft: [N513PS](https://openairdocs.org/aircraft/N513PS), registered now
- Make and model: Pilats PC24
- Aircraft serial: 513
- Aircraft time: 1,956 hours, 1,406 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Valve
- Part number: 9594751129
- Part serial: 0336
- Condition: Faulty
- Location: Parking Brake
- Part time: 1,956 hours, 1,406 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/6CBA2026010826001

## Discrepancy

DURING CRUISE FROM KTEX TO KGPI, THE CREW NOTED THE MAIN/EMERGENCY BRAKE PRESSURE TO BE DROPPING.  THE CREW DECIDED TO DIVERT TO KAPA.  DURING APPROACH, THE CREW NOTED A MAIN BRAKE FAIL CAS WITH A TRIPPED ECB.  THE ECB TRIPPED IMMEDIATELY AFTER THE FIRST ATTEMPT TO RESET IT.  THE CREW MADE A SUCCESSFUL LANDING WITHOUT FURTHER INCIDENT.  TECHNICIANS REPLACED THE PARKING BRAKE VALVE P/N 959.47.51.129 S/N OFF 0336, S/N ON 0347, AND THE BRAKE PUMP MOTOR P/N 960.30.01.173 S/N OFF 0431, S/N ON 0235 MOD B.

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