# SDR HNAA2017060600198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2017
- Submitted: June 6, 2017
- Operation: Air carrier
- Aircraft: N337EN
- Make and model: Dhav DHC8311
- Aircraft serial: 284
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Propeller
- Condition: Malfunctioned
- Stage of operation: LD
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2017060600198

## Discrepancy

WHEN PROPELLER LEVERS AT MAX FOR LANDING, RPM SPLIT MORE THAN 30 RPM. NR 1 ENGINE 1175 AND NR 2 AT 1120 RPM.  GROUND RAN AIRCRAFT IAW GROUND RUN UP MANUAL AT MIN AND MAX POWER ALL PARAMETERS WITHIN LIMITS, OPS CHECKED GOOD, OK FOR SERVICE.

---
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.