SusiAir PILATUS PORTER PC6, Программа технического обслуживания

Страница: 24 / 248

MAINTENANCE PROGRAM
PILATUS PORTER PC6
CHAPTER 2
MAINTENANACE PROGRAM
DOCUMENT NO.:
SAP 27
Reissued: 2
Revision: 1
Date: July 2020 Page: 2 - 2
2.2.3 Tail Down Landing
A tail down landing is when the tail wheel touches the ground before the main
wheels. If loose or cracked paint is found during this check, it may indicate that
the structure of the aircraft is damaged.
2.2.4 Overspeed, more than V
NE
This check must be done if an airspeed of more than the never exceed speed
(V
NE
) is indicated. If loose or cracked paint is found during this check, it can
indicate that the structure of the aircraft is damaged.
2.2.5 Overspeed with Flaps Extended (V
FE
)
This check must be done if an airspeed of more than the maximum permitted
with flaps extended (V
FE
) is indicated. If loose or cracked paint is found during
this check, it can indicate that the structure of the aircraft is damaged.
2.2.6 Engine Overtorque
a. This check must be done if the maximum permitted engine torque for the
PC-6 installation is exceeded (Ref 71-00-00, Maintenance Practices).
b. If the overtorque is more than 53.5 psi during normal operation refer to the
Engine Maintenance Manual.
2.2.7 Sudden Propeller Stoppage or Impact
A sudden propeller stoppage occurs when the propeller rotation stops due to
contact with a hard object.
A propeller strike occurs when either a rotating propeller hits an object, or a
stationary propeller is hit by a moving object.
2.2.8 Lightning Strike
Do this check if the aircraft is hit by lightning or it is suspected that it has been
hit by lightning.
2.2.9 Alignment and Symmetry
These checks are done by taking selected measurements for comparison with
the measurements taken at the same points on the aircraft when the aircraft
was prepared for delivery at the manufacturers.
The checks should only be done under the following conditions:
a. The aircraft must be parked in a hangar for a minimum of one hour before
the check is done.
b. The aircraft must not be exposed to direct sunlight.