# SDR GLBA20090410B

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2009
- Submitted: April 11, 2009
- Operation: Air carrier
- Aircraft: [N165YV](https://openairdocs.org/aircraft/N165YV), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE165
- Aircraft time: 21,769 hours, 38,148 cycles
- System (JASC): [7712 · Engine BMEP/Torque Indicating](https://openairdocs.org/jasc/7712)
- Part: Indicator
- Condition: Fluctuates
- Location: Nr 1 Eng Torque
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20090410B

## Discrepancy

DURING FLIGHT NOTICED 2 PERCENT FLUCTUATION ON NR 1 N 1 GAUGE AND FLUCTUATIONS ON NR 1 TORQUE GAUGE CONTINUED UNTIL SHUTDOWN.  MAINTENANCE R & R LT BETA BLOCK AND RIGGED BETA VALVE LOW PITCH STOP PER MM 76-10-00. MAINTENANCE ADDITIONALLY R & R TACH GENERATOR IAW MM 77-10-00. MAINTENANCE ADDITIONALLY R & R N1 GAUGE IAW MM 31-10-00. ALL OPERATIONAL CHECKS WERE GOOD.

---
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.