MAINTENANCE MANUAL EXTRA 300/SC
CHAPTER 05
PAGE 36
PAGE DATE: 1. August 2014
05-50-00 UNSCHEDULED MAINTENANCE
CHECKS
Unscheduled checks are only performed after abnormal
events, which could possibly have caused damage to the
aircraft or impaired the airworthiness.
I M P O R T A N T In case of abnormal events or any exceedance of given
limitations (load factor, never exceed speed, etc.) the
manufacturer has to be contacted to find appropriate
maintenance procedures. Therefore the procedures de-
scribed in the following could be subjected to changes.
05-50-01 Violent Stopping of the Engine (Propeller
Strike)
In a case where the propeller has struck the ground or the
engine has been stopped violently (shock loading), the com-
plete engine has to be disassembled and checked by an
authorized company. The crankshaft might be damaged. Re-
fer to the Lycoming AEIO-580-B1A Mainternance and Over-
haul Manual.
The propeller has to be checked and repaired by an author-
ized company according to MT-propeller instruction. Refer
to MT-propeller "Operation- and Installation Manual E-
124".
Magnetos must be overhauld according to Magneto Mainte-
nance and Overhaul Manual (See Chapter 01).
05-50-02 Hard Landing
After an extremely hard landing or other unusual loads on the
landing gear, perform a check as described in the following,
even when there are no obvious signs of damage: If there are
indications that structural parts are damaged, the manufac-
turer has to be consulted for possible and suitable repair
methods.
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