SusiAir PILATUS PORTER PC6, Maintenance Program

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MAINTENANCE PROGRAM
PILATUS PORTER PC6
CHAPTER 2
MAINTENANACE PROGRAM
DOCUMENT NO.:
SAP 27
Reissued: 2
Revision: 1
Date: July 2020 Page: 2 - 3
c. The aircraft must be on jacks.
d. Underwing fuel tanks must be removed.
If the measurements taken are outside the permitted tolerances the aircraft
must not be flown until Pilatus Aircraft Ltd advice is received.
A Recorded Aircraft Build Status Form is delivered with each aircraft and gives
the results of the symmetry check that is done before the aircraft leaves Pilatus.
2.2.10 Flight Through Volcanic Ash or Smoke
Do The check before The next flight if The aircraft was flown (or you suspect it
was flown) through volcanic smoke. The purpose of The check is to Find :
a. Abrasion or erosion of surfaces
b. Damage to the aircraft and/or engine
c. Deterioration of the aircraft Systems
d. Quantities of collected volcanic ash
2.3. UNSCHEDULED MAINTENANCE CHECKS – ENGINE
2.3.1 Engine Preservation and Depreservation
Preservation of engines in service depends on the period of inactivity and
whether or not the engine may be rotated during the inactive period. An engine
is considered inactive when it has not been operated either on the ground, or in
flight for a minimum of ten minutes after the oil temperature has stabilized. The
expected period of inactivity should be established and reference made to the
Engine Preservation Procedures following.
2.3.2 Engine Inspection
Unscheduled inspection is done when the engine is subjected to the unusual
stress or operating conditions, or exceeds operating limitations or gives
unsatisfactory performance/handling occur. (Ref. P&WC EMM 72-00-00):
1.
Engine Performance Deterioration.
2.
Engine Overspeed.
3.
Inadvertent Cut-off and Relight During Taxi.
4.
Engine Overtemperature.
5.
Overtorque.
6.
Immersion in water (Send engine to an approved overhaul facility for Light
Overhaul. Indicate immersion in water).