# SDR UPS00831247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N811UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46089
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Indicator
- Part number: 6226342024
- Condition: Failed
- Location: Eadi
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: H, G, B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00831247

## Discrepancy

AT CRUISE ALTITUDE, SMOKE IN THE COCKPIT:F/O EADI WENT BLANK, FOLLOWED BY SMOKE FROM UNDER THE GLARESHIELD.  PULLED THE ATT REF Z(F/O)CB AND RT EFIS MASTER.  SMOKE PERSISTED INTERMITTENTLY.  EMERGENCY DESCENT TO AIA.  FOUND THE F/O EADI SHORTED OUT.  REMOVED AND REPLACD THE F/O EADI IND OPS SYS PER MM 34-23-01. OPS GOOD.  RAN ALL ENG'S AND PACKS OPS GOOD.

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