What was found
(AUS) MAIN ROTOR HUB CRACKED IN AREA OF THREADED CUFF AND TRUNNION BOLTHOLE EXTENDING DOWN THE INNER HUB SURFACE - CRACK LENGTH APPROXIMATELY 6.35MM (0.25IN) - FOUND DURING INSPECTION IAW AD/HIL12/22A
- Difficulty date
- April 2, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Hiller UH12E
- Engine
- Lyc VO540C2A
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Rotor Hub
- Part number
- 5143711
- Condition
- Cracked
- Location
- Main Rotor Head
- Component
- Hiller
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.