Related by context. Frequent words. (Click for all words.) 55 fuselage cracks 53 horizontal stabilizer 52 hairline cracks 51 fuselage 51 corrosion 49 gusset plates 49 delamination 48 airworthiness directives 47 Safety Bureau ATSB 46 welds 45 landing gear 45 Boeing #s 45 airworthiness directive 45 structural defects 44 Rosenker 44 Rolls Royce engines 44 Rolls Royce Trent 43 cracks 43 valve stems 43 pitot tubes 43 airworthiness 43 Pitots 43 EASA 43 rapid decompression 43 structural deficiencies 42 vertical stabilizer 42 corroded 42 thrust reverser 42 fuselages 41 NTSB 41 AAIB 41 depressurized 41 ZA# 41 Cracks 41 gussets 41 airframe 41 sticky pedals 40 gap filler 40 Mark Rosenker 40 Civil Aviation Safety 40 rudder 40 fasteners 40 thermal tile 40 weld 40 heat shield 39 undercarriages 39 mechanical malfunction 39 structural 39 Sumwalt 39 structural integrity 39 ship hull 39 misalignment 39 wing flaps 39 Qantas Airbus A# 39 Transportation Safety 39 turbine blades 39 turbine disc 39 airfoil 39 Air Accidents Investigation 38 Corrosion 38 Airbus A#s 38 KC #s 38 rotor blade 38 rivets 38 Pitot tubes 38 ruptures 38 structural soundness 38 tank foam insulation 38 Steve Chealander 38 earth crust 38 Acela trains 38 trusses 38 rotting wood 38 runway incursion 37 discontinuities 37 turbine blade 37 steel truss 37 rupture 37 thrust reversers 37 thermal tiles 37 vanes 37 Prius brakes 37 Hazard Investigation Board 37 eddy 37 inspection 37 pinholes 37 propellers 37 aluminum alloys 37 Q#s 37 unwanted acceleration 37 turboprops 37 DGAC 36 rudders 36 Airbus A# superjumbos 36 truss bridge 36 inspections 36 F/A-#s 36 fuselage sections 36 Inspection 36 stick shaker 36 Airbus A#