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DC9 Stage 3 Modification Program
Airweld, Inc.'s DC9 Stage 3 Modification Program is designed to allow DC9
aircraft to operate in compliance with FAR 36 Stage 3 noise reduction
requirements through the modification of engines, thrust reversers, and
associated cowls and hardware parts. Airweld's program has numerous benefits
including:
- Significant modification cost savings over the competition.
- Continued maintainability through use of McDonnell Douglas interchangeable
parts;
- Customer controlled procurement costs of Pratt & Whitney parts.
The Customer Will:
- Provide the prerequisite DC9-30 series aircraft equipment as required by
Airweld's STC;
- Provide serviceable DC9-30 series engine thrust reversers, upper and lower
engine cowl doors, and forward pylon aprons to Airweld, Inc. for
modification to STC requirements;
- Comply with Pratt & Whitney prerequisite Service Bulletins (SB 5947,
SB 5948, SB 6326) for all engines installed on the DC9-30 series aircraft to
be modified including, but not limited to, the installation of P & W
designed and FAA approved re-spaced inlet guide vanes and exhaust mixer
assemblies as required by Airweld's STC;
- Provide for the installation of 40 degree maximum flap stop as provided by
Airweld's STC;
Airweld Will:
- Provide modifications to serviceable DC9-30 series aircraft engine upper
and lower cowl doors and forward pylon aprons, supplied by the customer, to
the requirements of Airweld's STC;
- Provide modifications to serviceable DC9-30 series aircraft engine thrust
reversers, supplied by the customer, to the requirements of Airweld's STC
when such thrust reversers are found to be Stage 2 noise compliant;
- Provide parts required to mate nose cowl EPR and anti-ice systems to the
Stage 3 modified engines, when such nose cowls are found to be Stage 2 noise
compliant;
- Provide 40 degree maximum flap stop kits for installation per requirements
of Airweld's STC;
- Provide on-site technical representation, as requested by the customer
during re-installation of the modified components;
- Provide supplements as may be required for Airplane Flight Manual,
Structural Repair Manual, Illustrated Parts Catalog, and Maintenance Manual
to ensure continued maintenance and airworthiness of the aircraft.
Please contact Airweld, Inc. for more information, including prices and
delivery terms.
Inquire about the Airweld Stage 3 Program
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