# SDR UPS08853075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: N718UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46018
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Inu
- Condition: Failed
- Location: Nr 1
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS08853075

## Discrepancy

INSPECTION TYPE:N/A EN ROUTE - CAPTAIN'S INS WARNING LIGHT ON EADI AND EHSI - LOST MULTIPLE SYSTEMS.  CREW DECLARED EMERGENCY AND LANDED UNEVENTFULLY.  REMOVED AND REPLACED NR 1 INU IAW MM 34-44-03.  ADJUSTMENT TEST DUE.  NR 1 INU CHECKS OK IN REF TO AMM 34-44-03.

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