# SDR ZW0A0105601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2001
- Submitted: July 24, 2001
- Operation: Air carrier
- Aircraft: [N979TW](https://openairdocs.org/aircraft/N979TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53629
- Aircraft time: 5,335 hours, 2,890 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: MISC0639
- Location: Fwd Overwing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZW0A0105601

## Discrepancy

THE FWD OVERWING EMERGENCY LIGHTS DID NOT ILLUMINATE WITH THE SWITCH ON.  REPLACED THE BATTERY PACK.  CHECK-C 11-8-00.  --CLOSED--

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