# SDR ABXA040037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2004
- Submitted: January 21, 2004
- Operation: Air carrier
- Aircraft: N900AX
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47380
- Aircraft time: 57,204 hours, 61,301 cycles
- System (JASC): [2422 · AC Inverter](https://openairdocs.org/jasc/2422)
- Part: Inverter
- Part number: ASH7341
- Part serial: TM1743
- Condition: Defective
- Location: Emergency Power
- Part time: 8,004 hours, 6,611 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA040037

## Discrepancy

DURING PRE-FLIGHT, TURNED EMERGENCY POWER SWITCH ON AND AC EMERGENCY BUS OFF LIGHT CAME ON.  REMOVED AND REPLACED EMERGENCY AC POWER INVERTER IAW DC-9 MM.  OPS CHECKED GOOD.

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