What was found
MR DRIVE RING BOLT FOUND TO BE SHEARED DURING ANNUAL INSPECTION OF MR HEAD AND DRIVE SYSTEM
- Difficulty date
- September 24, 2018
- Submitted
- September 27, 2018
- Operation
- Air carrier
- Aircraft
- N900UM
- Make and model
- Doug MD900
- Aircraft serial
- 00112
- Aircraft time
- 3,557 hours, 14,067 cycles
- System (JASC)
- 6200 · Main Rotor System
- Part
- Bolt
- Part number
- MS21250H05008
- Condition
- Sheared
- Location
- Main Rotor
- 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.