4
Unscheduled Checks - Engine
Checks must be done after the following incidents occur, refer to P&WC EMM.
Table 3 gives the inspections needed for engine exceedances:
−
Engine overspeed (Gas generator or propeller)
−
Overtemperature
−
Overtorque
−
Sudden propeller stoppage
−
Loss of oil pressure
−
CHIP light on.
Table 3 Engine Exceedances - PT6E-67XP
Parameter
Condition
CAS red warning
Maintenance action
Value
Delay (sec)
ITT
After Start
>850
20
EMM 71-00-00 Fig 501
After Start
>870
0
Start
>870
5
Start
>1000
0
Torque
-
>44.34
20
EMM 71-00-00 Fig 503
Prop Owners Manual 61-00-49 Fig 5-4
-
>61
0
Ng
-
>104
0
EMM 72-00-00 Para C1
Np
-
>1730 to
≤1870
20
EMM 72-00-00 Section 12 Para C1
Prop Owners Manual 61-00-49 Fig 5-3
-
>1870
0
Ground
>350 to <900 25
Prop Owners Manual 61-00-49 Fig 5-6
Oil pressure
Ng >72%
≥60 to <90
20
EMM 72-00-00 Section 12 Para R
-
≥40 to <60
20
-
<40
0
-
>135 to ≤200 20
-
>200
0
Oil temp
-
<-40
0
EMM 72-00-00 Section 12 Para Q
-
>105 to ≤110 600
-
≥110
0
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 26 MSN 545, 1001-1719,
1721-1999
12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All
12-B-05-50-00-00A-018A-A
End of data module
UNCLASSIFIED
2021-12-04 Page 8