The AAIB are positively meteoric in their response compared to some boards, e.g.
Report on serious incident near Gullfaks B at Tampen HTZ 1. April 2010 with Sikorsky S-92A, LN-OQE operated by CHC Helikopter Service AS | aibn
5 years to report that: "It was discovered that the seat had detached from the rails because the forward slide stops were missing"