What it approves
Upgrades mechanical systems (torque tube, latches) of Main Deck Cargo Door, and incorporates National Aircraft Services, Inc. (NASI) STC ST01438CH that adds a vent door system with locking feature, and upgrades cargo door monitoring and warning system. This STC and the NASI STC also upgrades Maintenance Program and Documents for Continued Airworthiness for maintaining cargo door installation and rigging for mechanical, electrical, and cargo door monitoring and warning system.
ADs that name this STC · 3
An AD can apply because an STC is installed, or mention one in its text.
AD 2002-16-19Main Deck Cargo Door Hinge · Upgrades mechanical systems (Federal Express STC SA1767SO or SA1768SO)AD 2002-07-09Lower Skin Panel at the Lower Row of Fasteners in Lap Joints of the Fuselage · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 moreAD 98-26-18Main Cargo Deck · Upgrades mechanical systems (Federal Express STC SA1767SO or 2 others)