# SDR 99ZZZX2951

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N520AW](https://openairdocs.org/aircraft/N520AW), registered now
- Make and model: Amd FALCONF
- Aircraft serial: 453
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Indicator
- Part number: 54237138010
- Condition: Failed
- Location: Cockpit
- Part time: 697 hours
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2951

## Discrepancy

IN CRUISE FLIGHT, THE ENGINE INDICATOR  CB 1E2 POPPED OUT.  THE N1, N2, ITT, OIL PRESSURE, AND OIL TEMPERATURE INDICATORS LOST POWER.  THE CREW DIVERTED TO A MAINTENANCE FACILITY WHERE THEY FOUND THE N2 GAUGE SHORTED INTERNALLY.  (THIS FAILURE ALSO CAUSED THE DEEC BATTERY CB 92E2 TO OPEN.  REPLACED N2 INDICATOR P/N 5423-713-80-10.  OPS CHECKED OK.  697 HOURS TT ON N2 GAUGE.

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