# SDR CA190715016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft time: 50,899 hours
- Engine: Cfmint CFM563C1
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Bolt
- Part number: 69785621
- Condition: Sheared
- Location: Nr 3 Brake
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190715016

## Discrepancy

(CAN) UPON REMOVING THE BRAKE UNIT ON #3, BOTH STUD SHEAR BOLTS WHERE FOUND TO BE BROKEN AND WERE FOUND INSIDE THE OLD BRAKE UNIT.. THE BRAKE UNIT, ITSELF WAS WORN TO LIMITS AND A FEW BRAKE PADS HAD SHIFTED. NEW SHEAR BOLTS INSTALLED. (TC# 20190715016)

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