AD NUMBER: 2004-01-10
MANUFACTURER: Eurocopter
Deutschland
SUBJECT: Airworthiness Directive 2004-01-10
SUMMARY: This amendment adopts a new airworthiness
directive (AD) for Eurocopter Deutschland (Eurocopter) Model
MBB-BK-117 A-1, A-3, A-4, B-1, B-2, and C-1 helicopters with a
certain tailrotor (TR) transmission or intermediate (INT) gearbox
installed. This action requires inspecting the magnetic plug of the
TR transmission and INT gearbox for metal particles before the
first flightof each day. Replacing an unairworthy TR transmission,
INT gearbox, or bearings with airworthy parts is also required
within 30 days after the effective date of this AD. This amendment
is prompted by a report of production-r