What was found
PILOT REPORTED GRINDING SOUND DURING START, FOUND STARTER GENERATOR SHAFT SHEARED. FOUND COMPRESSOR DID ROTATE FREELY WHEN CHECKED. REPLACED WITH SERVICABLE STARTER GENERATOR. CAUSE OF SHAFT FAILURE NOT KNOWN.
- Difficulty date
- June 17, 2011
- Submitted
- June 21, 2011
- Operation
- Air carrier
- Aircraft
- N507AM
- Make and model
- Snias AS350B3
- Aircraft serial
- 4711
- Aircraft time
- 595 hours
- Engine
- Tmeca ARRIEL2B1
- Engine time
- 595 hours
- System (JASC)
- 2435 · Starter-Generator
- Part
- Shaft
- Condition
- Sheared
- Location
- Starter Gen
- Component
- Starter Gen
- Component part number
- 515030
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.