What was found
DURING A NORMAL 4500 HOUR TRANSMISSION OVERHAUL THE LOWER CASE WAS FOUND CRACKED ON ALL 4 SUPPORT WEBS, CAUSING THE CASE TO BE UNAIRWORTHY.
- Difficulty date
- March 20, 2001
- Submitted
- April 25, 2001
- Operation
- Air carrier
- Aircraft
- N16EP
- Make and model
- Bell 206B
- Aircraft serial
- 3081
- Engine
- Allsn 250B*
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Case
- Part number
- 206040150029
- Part serial
- B129150
- Condition
- Cracked
- Location
- Transmission
- Part time
- 7,456 hours
- 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.