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PERIODIC RISE AND FALL IN BOOST PRESSURE AND SPEED (OSCILLATION OF
TURBO CONTROL UNIT)
General note
Step
LIGHTNING STRIKE
General note
An indirect lighting strike is a strike on the aircraft fuselage, the wings or propeller. A direct
lighting strike is a strike which acts directly on the engine.
Different types of damage can be caused depending on the type of lightning strike.
Indirect lightning
Read out the ECU data memory and check the data for details of increased oil tempera-
strike
ture. Perform the corresponding inspections/repairs depending on the functional defects
found.
Step
Effectivity: 916 i A / C24
Edition 0/Rev. 1
MAINTENANCE MANUAL LINE
Non-compliance can result in serious injuries or death!
The engine must not be taken into operation before having corrected the cause of
If the permissible operating limits are exceeded or values fall below the minimum, the
corresponding checks must be also be carried out.
Periodic rise and fall in boost pressure and speed
Procedure
1
Visual inspection of the engine, in particular
• Turbocharger
• Air intake system
2
Check wiring. See
NOTE
If no mechanical damage is detected during the visual inspection,
check the boost pressure control. See chapter 76–00–00 of the
Maintenance Manual Heavy (MMH).
Procedure
1
Inspect the condition of the engine.
2
Inspect the mechanical actuation systems in the engine.
3
Inspect the electrical wiring and components.
BRP-Rotax
m WARNING
deficiency.
NOTICE
Chapter 12–20–00 section Check wiring.
Indirect lighting strike
05–50–00
Page 43
December 01 2023
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