It is generally preferable to remove the damage prior to submitting information to Boeing for review except for dents on metallic and composite structures, and delamination or punctures to composite structure unless removal is already approved by SRM, CMM

Turbine engine tachometers usually measure speed as a percentage of the nominal maximum speed of the turbines.

If this maneuver cannot be performed safely, a warning against attempting it shall be provided.

ldentify a revision to an illustration with a black vertical line in the left margin opposite the revised portion or use a "pointing hand".

This procedure points out that the FAA should be contacted prior to any alterations on airplane to ensure that airworthiness of the airplane is not violated.

This Section should contain a recommendation that airplane operator establishes contact with the dealer or certified service station for service and information.

If the format parameter or rule is inappropriate to the type of airplane, equivalents likely to achieve the same objective may be used.

The priority computer compares the output parameters from the unit with its own available data by means of associated logic.

If the maintenance message does not show in CURRENT STATUS, then there was an intermittent fault.

Do a continuity check at the Alternate Exhaust Fan Receptacle.

The ozone converter prevents damage to the air separation module from oxidation of the membrane material by ozone.