AD C9-8408

Published 1999-05-21 · 4 models · 125 US-registered tails affected · Federal Register

Airworthiness Directives; McDonnell Douglas Helicopter Systems (MDHS) Model 369E, 369FF, 500N, and 600N Helicopters Federal Register ↗

Applicability · by US fleet size

MCDONNELL DOUGLAS HELICOPTER 369E TCDS H3WE 83 tails
MCDONNELL DOUGLAS HELICOPTER 500N TCDS H3WE 27 tails
MCDONNELL DOUGLAS HELICOPTER 600N TCDS H3WE 14 tails
MCDONNELL DOUGLAS MDHS 369E 1 tails

Compliance instructions

Required actions, compliance times, parts/serial numbers and methods of compliance are in the Federal Register publication — not paraphrased here. Read AD on Federal Register ↗