The hole in the two oil door hinge brackets can become worn due to the metal to metal contact between the bolt and the brackets. To prevent this, a plastic bushing is being introduced to extend the useful life of the brackets.
REVISION DESCRIPTION / NEW DOCUMENTATION:
RV-14 KAI Page 45-24 REV 1: Added bushing for oil door hinge. Removed AN310-3, AN3-4, and cotter pin. Replaced with MS21042-3 and AN3-4A.