# SDR DXTA2012110905178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2012
- Submitted: November 12, 2012
- Operation: Air carrier
- Aircraft: [N428QS](https://openairdocs.org/aircraft/N428QS), registered now
- Make and model: Gulstm GIV
- Aircraft serial: 1328
- Aircraft time: 11,782 hours, 5,842 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Reservoir
- Condition: Contaminated
- Location: Brakes
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2012110905178

## Discrepancy

ON LANDING, DURING BRAKING, LT BRAKE PRESSURE IS APPLIED AND BRAKE GRABS EXCESSIVELY AFTER SHORT DELAY.  PERFORMED INSPECTION OF TIRES, BRAKES, LANDING GEAR AND BRAKE PEDALS. NO DISCREPANCIES FOUND. PERFORMED L/H, R/H BRAKE BLEED PROCEDURE IAW GIV CMP 324265 AND 324266. FOUND MINOR AIR IN LT, RT INBD BRAKES. SERVICED BRAKES AND HYD RESERVOIR. PERFORMED HYDRO MECH. ANOLOG BRAKE OPS TEST IAW GIV CMP 324203. OPS CHECKS GOOD AT THIS TIME.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.