What was found
(CAN) MAIN ROTOR TRANSMISSION RECEIVED FOR OVERHAUL AFTER NDT INSPECTION 31 OF THE 32 RING GEAR BOLTS P/N 369H5105 WERE FOUND CRACKED UNDER THE BOLT HEADS. (TC NR 20080221006)
- Difficulty date
- December 14, 2007
- Submitted
- November 3, 2008
- Operation
- General aviation
- Make and model
- Hughes 369A
- Aircraft time
- 15,664 hours
- Engine
- Allsn 250C20B
- System (JASC)
- 6330 · Main Rotor Transmission Mount
- Part
- Bolt
- Part number
- 369H5105
- Condition
- Cracked
- Location
- M/R Transmission
- 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.