# SDR S2YA03021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2003
- Submitted: July 30, 2003
- Operation: Air carrier
- Aircraft: N145SK
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE145
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Out Of Adjust
- Location: Pax Door
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/S2YA03021

## Discrepancy

DURING FLIGHT 1070, THE CABIN DOOR ANNUNCIATOR ILLUMINATED AT 2 POUNDS OF DIFFERENTIAL PRESSURE.  THE CREW DID AN AIR TURNBACK.  THE SYSTEM WAS PUT ON MEL AND THE AIRCRAFT RETURNED TO SERVICE.  ON 06/09 MECHANIC CLEARED THE MEL BY ADJUSTING THE LOWER SILL SWITCH.  THE AIRCRAFT WAS RETURNED TO SERVICE WITH NO FURTHER DEFECTS.

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