# SDR GLBA200901121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2009
- Submitted: January 12, 2009
- Operation: Air carrier
- Aircraft: [N253GL](https://openairdocs.org/aircraft/N253GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE253
- Aircraft time: 25,574 hours, 32,189 cycles
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Switch
- Condition: Out Of Adjust
- Location: Autofeather Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA200901121

## Discrepancy

SIGNIFICANT EVENT, MAINTENANCE ADJUSTED AUTOFEATHER MICROSWITCH IN PEDESTAL IAW 1900D MM 61-21-02. OPERATIONAL CHECK WAS GOOD.  LOTS REPORTED THE RIGHT SIDE AUTOFEATHERED FLIGHT ON FINAL WITH PROPS FULL FORWARD WHEN INCREASING POWER.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.