# SDR CALA9900014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N12539
- 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: 45792
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Part number: 4T1110B
- Condition: Intermittent
- Location: Cockpit Ovhd
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9900014

## Discrepancy

EMERGENCY FLOOR PATH LIGHTS INTERMITENT FROM COCKPIT SWITCH.  REMOVED AND REPLACED COCKPIT SWITCH PER MM 33-00-00.

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