# SDR DHL2000717117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2000
- Submitted: August 15, 2000
- Operation: Air carrier
- Aircraft: [N717DH](https://openairdocs.org/aircraft/N717DH), registered now
- Make and model: Boeing 727-23
- Registry model: [Boeing 727-23](https://openairdocs.org/model/boeing-727-23) (OpenAirDocs)
- Aircraft serial: 19389
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Gyro
- Part number: 199111A
- Part serial: 7031180
- Condition: Erratic
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2000717117

## Discrepancy

CAPT ADI STICKS AND PITCHES UP AND DOWN ERRATICALLY 5-7 DEGREES AND GYRO FLAG COMES INTO VIEW INTERMITTENTLY DURING FLIGHT.  REPLACED NR 1 VERT GYRO WITH A SERVICABLE UNIT.

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