# SDR AMCR200300004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2003
- Submitted: October 28, 2003
- Operation: General aviation
- Aircraft: N526AC
- Make and model: Braero BAE125800A
- Aircraft serial: 258169
- Aircraft time: 4,643 hours, 3,160 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Valve
- Part number: AC69784
- Part serial: RR126
- Condition: Leaking
- Location: Nlg Brake
- Part time: 4,643 hours, 3,160 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/AMCR200300004

## Discrepancy

CREW NOTICED THAT WHEN THEY ENGAGED THE PARKING BRAKE, A VERY LOUD SQUEALING NOISE COMING FROM THE NOSE AREA, WHICH IS THE LOCATION OF THE EMERGENCY PRESSURE REDUCING VALVE. CHANGED VALVE, PROBLEM SOLVED. SUSPECT INTERNAL LEAKAGE OF VALVE.

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