# SDR AC2A2021040413901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2021
- Submitted: April 4, 2021
- Operation: Air carrier
- Aircraft: [N639DS](https://openairdocs.org/aircraft/N639DS), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41262
- Aircraft time: 7,077 hours, 12,954 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Part number: 3G3240V00831
- Part serial: 3993
- Condition: Leaking
- Location: Parking Brake
- Part time: 3,810 hours, 5,803 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2A2021040413901

## Discrepancy

PARKING BRAKE PRESSURE SWITCH LEAKING AT VENT HOLE

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