# SDR VNAA0012026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2000
- Submitted: January 16, 2001
- Operation: Air carrier
- Aircraft: N434JS
- Make and model: Dorner DO328100
- Aircraft serial: 3051
- Aircraft time: 14,257 hours, 12,722 cycles
- Engine: Pwa PW119B
- Propeller: Hartzl HDE6C3B
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Hydro Mech Unit
- Part number: D59901
- Part serial: S211
- Condition: Failed
- Location: Lt Propeller
- Part time: 8,179 hours, 7,240 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA0012026

## Discrepancy

FLIGHT 4070 ABORTED TAKEOFF AFTER POWER LEVERS WERE ADVANCED AND THE LEFT HAND ENGINE OVER TORQUED.  MAINTENANCE INSPECTED AND REPLACED THE PROPELLER HYDRAULIC UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-00-00.  OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.

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