# SDR GLBA20110603A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2011
- Submitted: June 6, 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: 33,529 hours, 44,164 cycles
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Switch
- Part number: 5038912147
- Part serial: 1091
- Condition: Inoperative
- Location: Autofeather Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20110603A

## Discrepancy

PILOT REPORTED THAT THE AUTOFEATHER CYCLED ABOUT 5 TIMES ON FINAL APPROACH INTO DEN, RPM DROPPED FROM 1700 TO 1400 ON NR 1 ENGINE AND RETURNED TO 1700 AFTER ADDING POWER. MAINTENANCE REPLACED THE LT AFX LOW PRESSURE SITCH AND RIGGED THE RH ENGINE , FCU DEAD BAND PROP LOW PITCH SOLENOID AND BETA VALVE, OPS CK GOOD REF AIM CH 7 61-21-00 AND T.C. 1900-7180-10.

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