FAA has issued airworthiness directive 2022-15-03 for all Pratt & Whitney PW1519Gs, PW1521Gs, PW1521G-3s, PW1521GAs, PW1524Gs, PW1524G-3s, PW1525Gs, PW1525G-3s, PW1919Gs, PW1921Gs, PW1922Gs, PW1923Gs and PW1923G-As, requiring repetitive borescope inspections of certain low pressure compressor rotor 1s until replacement of electronic engine control full authority digital electronic control software with updated software; a borescope inspection after installation of the updated software if certain onboard maintenance message fault codes are displayed and meet specified criteria; and, depending on the results of the inspection, replacement of the rotors, plus other actions, effective Aug. 19, 2022.