# SDR DALA201805153334

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2018
- Submitted: May 15, 2018
- Operation: Air carrier
- Aircraft: N946DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53354
- Aircraft time: 47,903 hours, 39,164 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Lights
- 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/DALA201805153334

## Discrepancy

DURING A SERVICE CHECK,  FOUND THE VENTRAL DOOR EXIT SIGN AND SOME CEILING LIGHTS INOPERATIVE, DURING AN EMERGENCY LIGHT TEST.  TROUBLESHOT AND FOUND THE BATTERY PACK B5-237 TO BE FAILED.   REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-03 AND WDM 33-51-12.  OPS CHECKED GOOD.

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