# SDR UPS00433554

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2000
- Submitted: August 11, 2000
- Operation: Air carrier
- Aircraft: N524UP
- Make and model: Boeing 747-200B
- Registry model: [Boeing 747-200B](https://openairdocs.org/model/boeing-747-200b) (OpenAirDocs)
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Indicator
- Condition: Malfunctioned
- Location: Nr 1,2,3,&4 Engs
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00433554

## Discrepancy

INSPECTION TYPE:N/A, AIR TURNBACK - ALL FOUR ENG N1 INDICATORS NOT EFFECTIVE FOR AIRCRAFT.  REMOVED AND REPLACED INDICATORS.  TPCR FILED FOR PROPER EFFECTIVITY REFERENCE LOG PAGES 418722, 418723, AND 418724.

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