TM l-1500-328-23
MAINTENANCE TEST FLIGHTS AND OPERATIONAL CHECKS
Definition.
For the purpose of this section, the following
definitions will apply:
a . Maintenance Test Flight. A flight for which the primary
purpose is to determine the airworthiness of the aircraft. That the
airframe, flight controls, power plant, systems accessories and items
of equipment are functioning according to predetermined
specifications during flight.
Removing a component from an aircraft
Removed and reinstalled.
b.
to aid maintenance and installing the same component back on the same
aircraft, in the same location.
Replaced.
Removing a component from an aircraft and installing
C.
a different component in its place.
d. Adjusted.
Changes made to fit regulation specifications, or
any adjustment, correction or modification that affects the
performance of the component.
e . Thrust/Weight Bearing.
Components attached to the airframe
used to physically lift the aircraft or provide thrust to rotate the
aircraft; for example, the forward transmission for the
or
the 90 degree gear box on the
f. Functional Flight Test. A check made by any rated aviator on equip-
ment that does not compromise safety of flight. Functional flight checks may be
used for equipment/systems components replacement/repair that does not deem the
the aircraft unsafe for flight, challenge the airworthiness of the aircraft, or for
component troubleshooting that does not require a test flight IAW the requirements
found in this manual or applicable aircraft specific maintenance manuals.
General.
Maintenance test flights are classified as General Test
Flights and Limited Test Flights.
WARNING
Anytime a flight control component is removed and rein-
stalled,ensure that the adjustable settings were not dis-
turbed and that the component is reinstalled in the same
configuration as when removed. If the component, was replaced
ensure that all rigging checks per the applicable technical
manual are completed.
NOTE
Conduct a test flight anytime an aircraft system or component
has been disturbed and is not covered in this paragraph,
or if there is any doubt about the airworthiness of the
aircraft.
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