SusiAir PILATUS PORTER PC6, Maintenance Program

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Form ASI-PC6 Engine Overtorque Inspection
Reissued: 2
Revision: 1
Date: July 2020 Page 1 of 2
MAINTENANCE PROGRAM
PILATUS PORTER PC6
Ref. AMM Pilatus Porter PC6 Chapter 05-51-08, EMM PT6A-27 Chapter 72-00-00
PILATUS PC6 - ENGINE OVERTORQUE INSPECTION SHEET
Aircraft
Registration
: ……………. Job Number : …………….
Aircraft S/N : …………….
NO. DESCRIPTION TASK NO. MECH. ENG. RII
ENGINE COMPARTMENT
1
Structure
N/A
Examine
2
Engine mount ring
N/A
Examine
3
Support struts
N/A
Examine
4
Fireproof bulkhead
N/A
Examine
5
Fuselage attachment longerons
N/A
Examine
6
Engine shockmounts
N/A
Examine
7
Check engine/aircraft indicating system. If satisfactory, refer to Chapter
71-00-00, ADJUSTMENT/TEST and do the following.
71-00-00
N/A
8
If the overtorque is in Area B:
a. Remove and inspect RGB chip detector, oil strainer and main oil
filter. If metallic debris is found, refer to FAULT ISOLATION.
72-10-00,
79-20-02
N/A
b. Turn the propeller by hand and listen for unusual noises coming
from the reduction gearbox or PT bearings (Ref. Para. A.(4). For
unusual noises, slow propeller acceleration on start or abrupt
deceleration on shutdown, send power section to an approved
overhaul facility for Light Overhaul. Indicate torque observed
and duration.
N/A
c. Run at 80% TO power for ten minutes. Remove and inspect
RGB chip detector, oil strainer, and main oil filter. If no metallic
debris is found, return engine to service and check RGB chip
detector daily for one week (25 hours minimum).
72-10-00,
79-20-02
N/A
d. Inspect main oil filter after one week (25 hours minimum, 65 hours
maximum). If no metallic debris is found, return to standard
inspection intervals.
79-20-02 N/A
9
If the overtorque is in Area C, send PSM to an approved overhaul
facility for Light Overhaul. Indicate torque observed and duration.
N/A
10 Refer to Aircraft Maintenance Manual for related aircraft checks. N/A