# SDR DALA12017190875

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2012
- Submitted: December 27, 2012
- Operation: Air carrier
- Aircraft: N784NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 48109
- Aircraft time: 74,571 hours, 68,711 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/DALA12017190875

## Discrepancy

LT AND RT OVERWING EMERGENCY LIGHTS COME ON WITH EMERGENCY LIGHT SWITCH IS SET TO ARM.  TROUBLESHOT AND FOUND THE OVERWING EMERGENCY LIGHT BATTERY PACK IS BAD.  R & R THE OVERWING EMERGENCY LIGHT BATTERY PACK AND PERFORMED OPS CHECK.  OPS CHECKED GOOD REF WDM A-33-51-01-00A-051H-A, AMM A-33-53-00-401-926A-A AND AMM 33-45-00-501-927A.

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