FAA has issued airworthiness directive 2023-12-18 for certain Boeing 747-8s and -8Fs, requiring inspection of each free flange of the stringers at the stringer splice for the presence of radius fillers at fastener locations, an inspection for cracking of the stringers and stringer splice fittings at certain stringer splice locations, and applicable on-condition actions, effective Aug. 11, 2023.
FAA has issued airworthiness directive 2023-12-08 for certain Boeing 747-8s, requiring repetitive inspections of the stringers and end stringer splice assemblies for any crack, shim or gap, and applicable on-condition actions, effective Aug. 11, 2023.
FAA has issued airworthiness directive 2023-12-21 for all Rolls-Royce Deutschland Trent 1000-A2s, -AE2s, -C2s, -CE2s, -D2s, -E2s, -G2s, -H2s, -J2s, -K2s and Trent -L2s revising the maintenance or inspection program to incorporate more restrictive airworthiness limitations, effective Aug. 15, 2023.