The installation of a split scraper ring is also a temporary repair and should be replaced when the nose landing gear is disassembled for other maintenance or overhaul.

Detailed information on more complex and specialized subjects may either be included in the basic Maintenance Manual or made available as separate documents at the option of the manufacturer and to the extent the manufacturer determines appropriate.

When it is necessary to order any wire bundles from Boeing, operators should provide the base wire bundle number (61-30396 in this case) and tail number of the airplane where the bundle is to be installed on.

If you use alternative tools or equipment, it is the operator＇s responsibility to make sure that they give the same results and are as safe to the parts and personnel as the tools or equipment specified in the procedure.

These inspection features are mandatory and cannot be changed or deleted without the approval of the FAA Oversight Office that is responsible for the airplane model Type Certificate.

It shall be made clear that when the subject system or equipment is installed, the associated Supplement must be in the Pilot＇s Operating Handbook at all times.

This document shall specify, for a crack inspection, the minimum size crack expected to be discovered or, if no minimum is defined, a statement to this effect.

The cover title and applicable airplane designation shall be prominently displayed on the cover or spine of the Handbook. Other information may be displayed on the cover.

Utilizing an airplane as intended by the manufacturer, combined with sound inspection and maintenance practices, forms the basis for assuring the airplane remains airworthy and safe to operate.

Although this specification conforms to recognized industry practices, it is written in broad general terms and it is recognized that problems will arise which are not treated adequately by the specification.

This letter also provides procedures that can be used to help mitigate moisture ingress into the connector cavity until such time that the moisture problem can be resolved and a service bulletin is available to correct the problem.