# SDR EIA2004150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2004
- Submitted: March 9, 2005
- Operation: Air carrier
- Aircraft: N479EV
- Make and model: Boeing 747132
- Aircraft serial: 19898
- Aircraft time: 10,488 hours, 26,906 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Inverter
- Part number: TSG420101
- Part serial: 1848
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIA2004150

## Discrepancy

STANDBY ATTITUDE TUMBLED; NO FLAG IN VIEW; INDICATOR WOULD NOT ERECT; STRONG ELEC SMELL IN COCKPIT; DECLARED EMERGENCY AND DIVERTED TO KJFK.  REMOVED AND REPLACED INDICATOR AND INVERTER.  INSPECT COCKPIT AREA FOR EVIDENCE OF ELECTRICAL SMELL.  NO SUCH SMELL NOTED; SUSPECT SMELL FROM FAILED STANDBY INDICATOR.

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