# SDR MASA2021072000162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2021
- Submitted: July 20, 2021
- Operation: Air carrier
- Aircraft: N305GT
- Make and model: Boeing 737-4H6
- Registry model: [Boeing 737-4H6](https://openairdocs.org/model/boeing-737-4h6) (OpenAirDocs)
- Aircraft serial: 27674
- Aircraft time: 47,798 hours, 40,085 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Unsecure
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA2021072000162

## Discrepancy

UNABLE TO TURN OFF EMERGENCY LIGHTS - MX RESECURED PILOTS OVHD PANEL EMER EXIT SW. OPS CK NORMAL. STS MX

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