# SDR DHL2001801005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2001
- Submitted: May 15, 2001
- Operation: Air carrier
- Aircraft: N801DH
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46033
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Gyro
- Part number: 258733511
- Part serial: 79101034
- Condition: Erratic
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2001801005

## Discrepancy

CAPT ADI ERRATIC INTERMITTENT +/- 5 DEG PITCH WITH GYRO FLAG AND BOW TIE ANNUNCIATOR ILLUMINATED. REMOVED AND REPLACED NR 1 VERTICAL GYRO.  OPS CHECKS GOOD IAW DC-8 MM 34-25-1.

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