# SDR GLBA20100329G

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2010
- Submitted: March 29, 2010
- Operation: Air carrier
- Aircraft: [N184UX](https://openairdocs.org/aircraft/N184UX), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE184
- Aircraft time: 30,833 hours, 38,912 cycles
- Engine: Pwa PT6A67D
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Circuit Board
- Part number: 1293640919
- Part serial: 654M5L
- Condition: Deteriorated
- Location: Autofeather Sys
- Stage of operation: AP
- 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/GLBA20100329G

## Discrepancy

SUSPECTED AUTOFEATHER - PILOTS REPORTED THAT THE NR 2 ENGINE AUTOFEATHER WAS CYCLING DURING FINAL APPROACH.  MX R & R THE HIGH AND LOW PRESSURE SWITCHES IAW BMM 61-21-01.  MX ADDITIONALLY R & R THE AUTOFEATHER PRINTED CIRCUIT BOARD IAW BMM 20-03-00. OPS CHECK OF THE SYS WAS GOOD.

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