# SDR DALA108109995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2010
- Submitted: April 21, 2010
- Operation: Air carrier
- Aircraft: N8978E
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47327
- Aircraft time: 88,501 hours, 80,063 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- 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/DALA108109995

## Discrepancy

DURING LAYOVER CHECK MX FOUND AFT EMERGENCY EXIT SIGN DIDN'T ILLUMINATE DURING LIGHT TEST. MX REPLACED EXIT SIGN BATTERY PACK IAW MM 33-53-00.  SIGN NOW LIGHTS UP. OK FOR SERVICE.

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