# SDR 99ZZZX527

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Duncan Aviation Inc, repair station JGVR194F](https://openairdocs.org/faa-repair-station/JGVR194F/duncan-aviation-inc.md) (OpenAirDocs)
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake
- Part number: 66003309
- Condition: Mismanufactured
- Location: Mlg
- Component: 9543992
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX527

## Discrepancy

ORDERED AND RECEIVED FROM LEARJET, ROTATING DISC, P/N 943992.  THE KEY SLOTS WERE BEVELED.  BOMBARDIER LEARJET AND AIRCRAFT BRAKING SYSTEMS WERE CALLED AND WERE INFORMED THE KEY SLOTS SHOULD NOT BE BEVELED, BUT SQUARE.

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