# SDR CNMA20060020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2006
- Submitted: October 25, 2006
- Operation: Air carrier
- Aircraft: N540AX
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46595
- Aircraft time: 83,065 hours, 20,204 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 41447720
- Part serial: 64923
- Condition: Inoperative
- Location: Emergency Light
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CNMA20060020

## Discrepancy

EMERG LIGHT TEST FAILED AT PRE-FLIGHT.  T/S FOUND EMERGENCY LIGHT AT THE NR 4 DOORS INOP.  REMOVED AND REPLACED BATTERY POWER SUPPLY AT THE 4 DOORS.  OPS CHECK GOOD IAW 33-51.

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