AD NUMBER: 2004-13-01
MANUFACTURER: Dowty Aerospace Propellers
SUBJECT: Airworthiness Directive 2004-13-01
SUMMARY: This amendment supersedes an existing
airworthiness directive (AD) that applies to Dowty Aerospace
Propellers (Dowty) Type R334/4-82-F/13 propeller assemblies. That
AD currently requires a one-time ultrasonic inspection of propeller
hubs, part number (P/N) 660709201, for cracks. This amendment
requires initial and repetitive ultrasonic inspections of propeller
hubs,P/N 660709201, that are installed on airplanes, and for hubs
and propellers in storage, initial ultrasonic inspection of
propeller hubs before placing in service. Propeller hubs, P/N
660709201, are installed on Type R321/ 4-82-F/8, R324/4-82-F/