The FAA is adopting a new airworthiness directive (AD) for
Rolls-Royce Corporation (formerly Allison Engine Company) AE
3007A1, AE 3007A1/1, AE 3007A1/3, AE 3007A3, AE 3007A1E,and
AE 3007A1P turbofan engines, with 1st to 2nd stage turbine spacers,
part number (P/N) 23069627, 23070989, 23072849, or 23075364
installed. This AD reduces the life limit for 1st to 2nd stage
turbine spacers, P/N 23072849, to a certain lower life limit, based
on engine model.This AD also requires a one-time fluorescent
penetrant inspection (FPI) of 1st to2nd stage turbine spacers P/Ns
23069627, 23070989, 23072849, and 23075364 before reaching the
spacer life limit, within specified cycles-since-new (CSN), and
requires replacement of the spacer if found cracked, or with bent
or missing aft tangs. This AD i