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N4073N in Flight
Reports from Wear Check Canada
RECOMMENDATION |
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Date |
7/22/1998 |
3/13/1999 |
11/27/1999 |
6/12/2000 |
11/11/2000 |
1/13/2001 |
5/20/2001 |
12/2/2001 |
9/29/2002 |
4/25/2004 |
12/30/2004 |
TSN |
419 |
570.1 |
673 |
705.3 |
748.7 |
777.8 |
862.1 |
947 |
1009.3 |
1155.1 |
1191.3 |
TSO |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
n/a |
Time on Oil |
31 |
41 |
39 |
31.8 |
43.4 |
29.1 |
40.9 |
42 |
34.4 |
38.4 |
36.3 |
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CONTAMINATION |
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Silicon |
9.1 |
9.1 |
5.8 |
7.4 |
36 |
37 |
16 |
0 |
14 |
5.1 |
6.6 |
Potassium |
0 |
0 |
2 |
3.8 |
0 |
24 |
1.6 |
1.6 |
0 |
1.9 |
1.5 |
Sodium |
0 |
0 |
0 |
0 |
11 |
1.3 |
0.9 |
1.2 |
0.6 |
1.6 |
1.7 |
Fuel (%) <2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
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< 2 |
< 2 |
< 2 |
Glycol (%) <.01 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
< 0.02 |
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< 0.02 |
< 0.02 |
< 0.02 |
H2O (%) <.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
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< 0.1 |
< 0.1 |
< 0.1 |
Soot |
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Sulfation |
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Nitration |
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WEAR |
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Iron |
17.3 |
36 |
23 |
21 |
34 |
29 |
19 |
61.4 |
30 |
23 |
23 |
Nickel |
1.9 |
0.6 |
0.4 |
0.6 |
1.9 |
0 |
0.4 |
3.4 |
0.8 |
2.3 |
1.5 |
Chromium |
3.3 |
3.7 |
2.1 |
2.1 |
3.4 |
2.4 |
1.5 |
5.6 |
2.5 |
2.1 |
2.1 |
Titanium |
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0.1 |
0.2 |
0.2 |
0.3 |
0.3 |
0 |
0.1 |
0 |
0.1 |
0.1 |
Copper |
3.3 |
12 |
8.8 |
9 |
9 |
12 |
12 |
18.3 |
17 |
7.9 |
6.9 |
Aluminum |
2.1 |
7.3 |
6 |
6.5 |
6.2 |
8.1 |
4.7 |
19 |
6.6 |
5 |
7.1 |
Tin |
1 |
0.6 |
2 |
1.2 |
0 |
0 |
0 |
5.1 |
0.1 |
0.5 |
1.2 |
Lead |
4325 |
4000 |
4152 |
4503 |
5036 |
2922 |
4197 |
4311 |
3587 |
3104 |
3757 |
Silver |
0.1 |
0 |
0.5 |
0.1 |
0.3 |
0.1 |
0.1 |
0 |
0.2 |
0 |
0.3 |
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OIL CONDITION |
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Boron |
0 |
0 |
0 |
0 |
0.4 |
4.6 |
0.7 |
1.2 |
1 |
1.2 |
1.8 |
Barium |
0.3 |
0.3 |
0.2 |
0.2 |
0.5 |
0.3 |
0 |
0 |
0 |
0.2 |
0.2 |
Calcium |
10 |
10 |
1.6 |
50 |
2.2 |
24 |
38 |
40.15 |
4.3 |
9.5 |
4.6 |
Magnesium |
1.8 |
1.8 |
3.1 |
0.9 |
1.2 |
5 |
1.6 |
1.4 |
3.3 |
0.5 |
0.7 |
Molybdenum |
0.6 |
0.6 |
0 |
0.2 |
0.2 |
1.1 |
0.2 |
0.7 |
0 |
0 |
0.4 |
Sodium |
0 |
0 |
0 |
0 |
11 |
1.3 |
0.9 |
1.2 |
0.6 |
1.6 |
1.7 |
Phosphorus |
1050 |
1050 |
889 |
752 |
741 |
1095 |
874 |
1307.5 |
867 |
909 |
904 |
Sulfur |
1130 |
1130 |
875 |
879 |
1048 |
1098 |
817 |
1489 |
1344 |
1422 |
1418 |
Zinc |
9.8 |
9.8 |
5.1 |
7.5 |
4.5 |
17 |
14 |
18.15 |
8.3 |
5.8 |
4.7 |
Visc @ 40C |
0 |
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0 |
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Visc @ 100C |
20 |
20 |
19.9 |
19.8 |
19.6 |
19 |
19.8 |
29.7 |
19.8 |
20 |
19.8 |
Oxidation |
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0 |
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Plotted Chart
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