What was found
IMPELLER CRACKED AT ATTACH POINT TO SHAFT. PILOT REPORTED LOUD NOISE AND LANDED THE HELICOPTER.
- Difficulty date
- May 11, 2009
- Submitted
- June 2, 2009
- Operation
- General aviation
- Aircraft
- N521PD
- Make and model
- Doug MD500E
- Aircraft serial
- 0321E
- Engine
- Allsn 250C20B
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Impeller
- Condition
- Cracked
- Location
- Blower
- Part time
- 439 hours
- Component
- Blower
- Component part number
- 369D25630101
- 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.