AD NO.
2021-12-17
SUBJECT
ATA 53 – Fuselage – Structural failure of the seat track attachment
APPLICABILITY
Model ATR42-300, -320, and -500 airplanes, all manufacturer serial numbers, except manufacturer serial numbers 001 through 362 inclusive. (2) ATR72-101, -102, -201, -202, -211, -212, and -212A airplanes, all manufacturer serial numbers.
ISSUED BY
FAA