What was found
INTERNAL SPLINES ON HYDRAULIC PUMP WORN EXCESSIVELY CAUSING HYDRAULIC PUMP TO START TO FAIL. PUMP OVERHAULED 432.8 HOURS PRIOR TO FAILURE. REASON FOR FAST SPLINE WEAR UNKNOWN. (X)
- Difficulty date
- July 5, 2000
- Submitted
- July 21, 2000
- Operation
- General aviation
- Aircraft
- N50Q
- Make and model
- Bell 206B3
- Aircraft serial
- 3419
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Gear
- Part number
- 8505261
- Condition
- Worn
- Location
- Hyd Pump
- Component
- Hydraulic Pump
- Component part number
- 206076022101
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.