# SDR UG8A2016091601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2016
- Submitted: September 21, 2016
- Operation: Air carrier
- Aircraft: N349J
- Make and model: Raythn HAWKER900XP
- Aircraft serial: HA0012
- Aircraft time: 4,388 hours, 3,305 cycles
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake Assy
- Part number: AHA1897
- Part serial: 051909E
- Condition: Locked
- Location: Mlg
- Part time: 4,388 hours, 3,305 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/UG8A2016091601

## Discrepancy

NR 4 BRAKE ASSEMBLY LOCKED UP ON GEAR.  DURING TOWING, AFTER ACFT ARRIVAL, NOISE WAS NOTED COMING FROM THE BRAKES.  SHORTLY AFTER, THE NR 4 BRAKE LOCKED.  DISASSEMBLY REVEALED THE BRAKE HEAT PACK HAD COME APART AND LOCKED UP THE WHEEL.

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