# SDR GLBA20110630F

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2011
- Submitted: June 30, 2011
- Operation: Air carrier
- Aircraft: [N153GL](https://openairdocs.org/aircraft/N153GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE153
- Aircraft time: 33,661 hours, 44,321 cycles
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Switch
- Part number: 1103P2641
- Condition: Inoperative
- Location: Autofeather
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20110630F

## Discrepancy

PILOT REPORTED THAT WHILE REDUCING POWER FROM 1200 LBS TORQUE TO IDLE NR1 ENGINE TRIED TO AUTOFEATHER.  MX R & R LT & RT LOW PRESSURE AUTOFEATHER SWITCHES & RIGGED LT & RT ENGINE TORQUE IAW AIM CH 7, SECTION 7.5 & BMM 61-21-01, OPS CK GOOD.

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