# SDR ON929ML112602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2002
- Submitted: December 10, 2002
- Operation: Air carrier
- Aircraft: N929ML
- Make and model: Amd FALCON50MYST
- Aircraft serial: 92
- Engine: Garrtt TFE73131C
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Gyro
- Part number: 258733513
- Part serial: 80112556
- Condition: Failed
- Location: Cockpit
- Part time: 9,549 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ON929ML112602

## Discrepancy

AUTOPILOT PITCHES NOSE DOWN WHEN ENGAGED IN CRUISE FLT.  REMOVED NR 1 VERTICAL GYRO AND INSTALLED OVERHAULED UNIT.  OPS CHECK GOOD.

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