Table 2 Master Maintenance Plan Task List (Continued from previous page)
Task number
Item Name
Task Description
Interval
Data Module Refer-
ence
*27-50/390
Flap cove rib fittings
Eddy current inspec-
tion
Threshold
30,000 FH /
39,000 LDG
Repeat
10,000 FH /
12,000 LDG
12-B-27-51-01-00A-
353A-A
or
12-B-27-51-02-00A-
353A-A
or
12-B-27-51-03-00A-
353A-A
*27-50/391
Flap aft links
Eddy current inspec-
tion
Threshold
30,000 FH /
39,000 LDG
Repeat
10,000 FH /
12,000 LDG
12-B-27-51-01-00A-
353A-A
or
12-B-27-51-02-00A-
353A-A
or
12-B-27-51-03-00A-
353A-A
*27-50/392
Flap bellcranks
Eddy current inspec-
tion
Threshold
30,000 FH /
39,000 LDG
Repeat
10,000 FH /
12,000 LDG
12-B-27-51-01-00A-
353A-A
or
12-B-27-51-02-00A-
353A-A
or
12-B-27-51-03-00A-
353A-A
*27-50/414
Flaps
Life limit
25,000 FH /
30,000 LDG
-
*27-50/437
Inboard flap
drive arms (P/N
527.52.12.153 or P/N
527.52.12.154)
In-situ inspec-
tion/check
600 FH / 12 Months
See Note 3
12-B-27-51-00-00A-
313A-A
27-50/443
Flap up and down
limit switches
Servicing
300 FH / 12 Months
12-B-12-20-07-00A-
902A-A
*27-50/451
Flap tension rods
(P/N 527.52.12.135,
527.52.12.136,
527.52.12.137)
Life limit
20,000 FH /
27,000 LDG
-
27-50/475
Flaps
Retract to 0° as nec-
essary to close the
inspection
Job Close Up
-
*27-50/485
Flap actuators (black
anodized) (P/N
978.73.20.309)
Life limit
20,000 FH /
27,000 LDG
-
27-50/495
Flap actuators (black
anodized) (P/N
978.73.20.309)
Backlash check
2,400 FH /
3,200 LDG /
24 Months
12-B-27-50-03-00A-
313A-A
27-50/506
Flap actuators (black
anodized) (P/N
978.73.20.309)
Overhaul
5,000 FH /
7,000 LDG
-
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-05-40-00-00A-000B-A
UNCLASSIFIED
2021-12-04 Page 26