# SDR GLBA20100628G

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2010
- Submitted: June 28, 2010
- Operation: Air carrier
- Aircraft: [N255GL](https://openairdocs.org/aircraft/N255GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE255
- Aircraft time: 28,130 hours, 33,618 cycles
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Circuit Board
- Condition: Dirty
- Location: Autofeather Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20100628G

## Discrepancy

SUSPECTED AUTOFEATHER - PILOTS REPORTED THAT THE LT AUTO FEATHER SYS DISENGAGED REPEATEDLY IN ALL POWER SETTINGS. MX REMOVED THE A123 PRINTED CIRCUIT BOARD, CLEANED CONTACTS, RE-INSTALLED THE A123 PRINTED CIRCUIT BOARD IAW MX INSTRUCTION 24-01. MX RAN THE ENGINES WITH THE CREW AND THE SYS OPERATIONALLY CHECKED GOOD IAW BMM 61-21-00.

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