SusiAir PILATUS PORTER PC6, Maintenance Program

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Form ASI-PC6 Engine Depreservation (Engine Inactive 91 Days To One Year)
Reissued: 2
Revision: 1
Date: July 2020 Page 1 of 1
MAINTENANCE PROGRAM
PILATUS PORTER PC6
Ref. EMM PT6A-27 Chapter 72-00-00
PILATUS PC6 – ENGINE DEPRESERVATION
(Engine Inactive 91 days to one year)
Aircraft
Registration
: ……………. Job Number : …………….
Aircraft S/N : …………….
NO. DESCRIPTION TASK NO. MECH. ENG. RII
1. Remove all moisture barriers, desiccant bags and humidity indicators. N/A
2. Open previously sealed openings. N/A
3. Check for any obstructions N/A
4.
Inspect all external engine cases, flanges, accessories and hardware for
evidence of corrosion.
N/A
5.
Remove the compressor inlet screen and inspect the inlet case and
visible flanges internally for evidence of corrosion. If corrosion is found,
inspect the accessory gearbox and the reduction gearbox internally for
corrosion with a borescope.
N/A
6.
If corrosion is outside limits, remove the engine and overhaul for
inspection after storage. Slowly rotate the propeller by hand and check for
any stiffness, audible scraping, binding or rubbing.
N/A
7. Service the engine oil system. 72-00-00 N/A
8.
Depreserve the fuel system.
NOTE: During motoring, check for stiffness, audible scraping, binding or
rubbing.
72-00-00 N/A
9.
After the engine run, inspect all gas generator and exhaust case drain
valves for presence of oil. If oil is evident, overhaul the engine for
inspection after storage.
N/A
10. Inspect all fuel filters. Clean or replace as necessary. N/A
11.
Inspect the oil filter, reduction gearbox strainer and chip detector(s) for
contamination. If contamination is evident, and the engine has no
previous recent contamination history, remove and overhaul the engine.
79-20-04. N/A
MAINTENANCE RELEASE
I hereby certify that aircraft parts and component mentioned above has been inspected and maintained in
accordance with the Maintenance Program and meets requirements of applicable Civil Aviation Safety
Regulations that is determined to be in an airworthy condition.
Name : .......................................
Signature : .......................................
Authorization Card’s No. : .......................................
Date : .......................................