MIL-DTL-85383A(AS)
be as simple and practical as possible. Procedures shall require use of the most basic tools
practical Supporting illustrations shall be clearly marked as depicting temporary repairs. Use of
materials requiring unsophisticated fabrication techniques shall be stressed.
3.2.5.3.1 One-time-flight repair. A one-time-flight repair is a temporary repair which is made
to restore limited load-carrying requirements to allow an aircraft to be flown to a repair station for
application of permanent repairs. Instructions for one-time-flight repair shall include all necessary
information on flight restrictions which must be observed during the ferry flight.
3.2.5.4 Permanent repair. A permanent repair is one which may be expected to equal or
exceed the original design life of the repaired structure or component with no adverse effects
upon the structural integrity, fatigue life, safety, or flying characteristics of the aircraft.
3.2.5.5 Critical area repair. Critical area repairs are specific permanent repairs in areas which
are highly stressed, fatigue critical, or corrosion prone in normal usage. Damage in these areas
would affect safety of the aircraft. Information and instructions for critical area repairs shall
include necessary flight restrictions required.
3.2.5.6 Alternate repair. Alternate repairs shall be included when practical. When a repair
involves use of an extrusion, an alternate using sheet, bar, or tubing should be presented. When
new types of material are required, an alternate repair using more common, generally available
material should be included.
3.2.6 Structure repair data arrangement. Technical content WPs in a structure repair manual
shall be presented in the following order:
a. General information WPs.
b. Typical (common) repair data WPs.
c. Specific repair data WPs.
(1) Temporary repair data WPs.
(2) Permanent repair data WPs.
3.2.7 General information WPs. WPs containing general information relative to repair of
aircraft structure and structural components shall be prepared. This shall include but not
necessarily be limited to the following:
a. Aircraft description.
b. Shop practices.
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