# SDR QZJA20221213007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2022
- Submitted: December 16, 2022
- Operation: Air carrier
- Aircraft: [N289RT](https://openairdocs.org/aircraft/N289RT), registered now
- Make and model: Cessna 525A
- Registry model: [Cessna 525A](https://openairdocs.org/model/cessna-525a) (OpenAirDocs)
- Aircraft serial: 525A0093
- Aircraft time: 5,331 hours, 4,258 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Switch
- Part number: MS252531
- Condition: Faulted
- Location: Mlg Handle
- Part time: 5,331 hours, 4,258 cycles
- Stage of operation: DE
- How discovered: C
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QZJA20221213007

## Discrepancy

BRAKES FAILED TO FUNCTION ON LANDING. RECEIVED MASTER CAUTION AND "LOW ACCUMULATOR PRESSURE CAS MESSAGE. USED EMERGENCY PNEUMATIC SYSTEM TO BRING AIRCRAFT TO A STOP. INSPECTED AND FOUND MICROSWITCH IN LANDING GEAR HANDLE AT FAULT.

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