# SDR CALA9900194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N43537](https://openairdocs.org/aircraft/N43537), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47112
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Broken
- Location: Cockpit
- 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/CALA9900194

## Discrepancy

THE EMERGENCY AISLE PATH LIGHTS DID NOT ILLUMINATE WHEN ON POSITION WAS SELECTED DURING A PREFLIGHT CHECK.  MAINTENANCE FOUND A BROKEN WIRE ON SWITCH IN COCKPIT.  THE SWITCH WIRE WAS REPAIRED AND OPERATION OF THE LIGHTS WAS RESTORED.

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