File Name & Location 12/05/2015, Page 1 STATUS OF F/A - 18 E/F NLG RIG TESTING.
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Transcript of File Name & Location 12/05/2015, Page 1 STATUS OF F/A - 18 E/F NLG RIG TESTING.
File Name & Location
18/04/23, Page 3
List of WC-Co-Cr coated parts in NLG F/A-18E/F
• Drag Brace Assembly• 74A430503-2001 Pin Drag Brace, Shock Strut• 74A430802-2003 Pin Trunnion, Drag Brace• 74A430804-2007 Piston Drag Brace• 74A430809-2007 Piston Head Drag Brace• NLG Assembly• 74A430601-2003 Cylinder Assembly Shock Strut• 74A430602-2003 Piston Shock Strut• 74A430603-2001 Pin, Torque Arm Apex Shock Strut• 74A430607-2005 Pin, Torque Arm• 74A430609-2001 Pin-Trunion, Shock Strut
File Name & Location
18/04/23, Page 6
STATUS OF OF F/A-18E/F NLG RIG TESTING
ID Task Name Duration Start % Complete Finish
1 CHCAT F/A-18E/F NLG Test Program 805 days Fri 5/12/00 60% Thu 6/12/03
2 F/A-18E/F Drag Brace Testing 691 days Fri 5/12/00 58% Fri 1/3/03
3 Receive Test Article 0 days Mon 12/18/00 0% Mon 12/18/00
4 Test Procedures 0 days Fri 8/11/00 100% Fri 8/11/00
5 Purchase & Install Control System 16 wks Fri 5/12/00 100% Thu 8/31/00
6 Test Set Up for Fatigue Axial Load 3 wks Tue 12/12/00 100% Mon 1/1/01
7 Calibration of Instrumentation 12 days Tue 1/2/01 100% Wed 1/17/01
8 Instrumentation Setup 3 wks Thu 1/18/01 100% Wed 2/7/01
9 Perform 20% Fatigue 3 wks Thu 2/8/01 100% Wed 2/28/01
10 Strip, Inspect, ATP 2 wks Thu 3/1/01 100% Wed 3/14/01
11 Perform 20% Endurance 3 wks Thu 3/15/01 100% Wed 4/4/01
12 Strip, Inspect, ATP 2 wks Mon 5/28/01 100% Fri 6/8/01
13 First Life Completion 32 wks Mon 6/11/01 100% Fri 1/18/02
14 Strip inspection 6 wks Mon 1/21/02 0% Fri 3/1/02
15 Second Life Completion 40 wks Thu 4/19/01 10% Fri 11/8/02
16 Test Report 8 wks Mon 11/11/02 0% Fri 1/3/03
Qtr 2 Qtr 3 Qtr 4 Qtr 1 Qtr 2 Qtr 3 Qtr 4 Qtr 1 Qtr 2 Qtr 32000 2001 2002
File Name & Location
18/04/23, Page 7
STATUS OF F/A - 18 E/F NLG RIG TESTING
ID Task Name Duration Start % Complete Finish
17 F-18 E/F Full Scale Fatigue Test 739 days Mon 8/14/00 62% Thu 6/12/03
18 Test Procedures 0 days Wed 8/30/00 100% Wed 8/30/00
19 Purchase & Install Control System 16 wks Mon 8/14/00 100% Fri 12/1/00
20 Purchase Loading Actuators 12 wks Fri 12/15/00 100% Thu 3/8/01
21 Purchase Servo Valves 12 wks Fri 12/15/00 100% Thu 3/8/01
22 Purchase Load Cells 12 wks Fri 12/15/00 100% Thu 3/8/01
23 Design Test Rig Frame Assembly 7 wks Mon 11/13/00 100% Fri 12/29/00
24 Manufacture of Test Frame 12 wks Mon 1/1/01 100% Fri 3/23/01
25 Manufacture of Bed Plate 12 wks Thu 11/30/00 100% Wed 2/21/01
26 Design Test Rig Dummy Wheels 6 wks Mon 1/1/01 100% Fri 2/9/01
27 Manufacture of Dummy Wheels 13.8 wks Mon 2/12/01 100% Thu 5/17/01
28 Receive Test Article 0 days Wed 8/15/01 100% Wed 8/15/01
29 Test Rig Set-Up 12 days Fri 12/21/01 90% Mon 1/7/02
30 Control System Set Up 3 wks Fri 1/11/02 80% Thu 1/31/02
31 Instrumentation and Calibrations 3 wks Fri 2/1/02 100% Thu 2/21/02
32 Fatigue Testing 20% 8 wks Fri 2/22/02 0% Thu 4/18/02
33 Inspection 4 wks Fri 4/19/02 0% Thu 5/16/02
34 Fatigue Testing 40% 8 wks Fri 5/17/02 0% Thu 7/11/02
35 Inspection 4 wks Fri 7/12/02 0% Thu 8/8/02
36 Fatigue Testing 60% 8 wks Fri 8/9/02 0% Thu 10/3/02
37 Inspection 4 wks Fri 10/4/02 0% Thu 10/31/02
38 Fatigue Testing 80% 8 wks Fri 11/1/02 0% Thu 12/26/02
39 Inspection 4 wks Fri 12/27/02 0% Thu 1/23/03
40 Fatigue Testing 100% 8 wks Fri 1/24/03 0% Thu 3/20/03
41 Inspection 4 wks Fri 3/21/03 0% Thu 4/17/03
42 Report 8 wks Fri 4/18/03 0% Thu 6/12/03
Qtr 3 Qtr 4 Qtr 1 Qtr 2 Qtr 3 Qtr 4 Qtr 1 Qtr 2 Qtr 3 Qtr 4
0 2001 2002
File Name & Location
18/04/23, Page 8
Drag Brace Assembly Test
• Retract - Extend Endurance
• Ground Load Fatigue
File Name & Location
18/04/23, Page 9 Drag Brace Assembly Test
Retract - Extend Endurance
0
5000
10000
15000
20000
25000
30000
Accumulated noof cycles 14950
Required no ofcycles 29880
File Name & Location
18/04/23, Page 10 Drag Brace Assembly TestGround Load Fatigue
0
2000
4000
6000
8000
10000
12000
Accumulated no ofcycles 6000
Required no ofcycles 12000
File Name & Location
18/04/23, Page 11
NLG Fatigue Test
• test frame installation ongoing
• test gear assembly completed
File Name & Location
18/04/23, Page 13
EXAMPLE
• CL601 MLG SHOCK STRUT PISTON (17114) AND ATTACHMENT PINS(P/N17207)
File Name & Location
18/04/23, Page 14 EXAMPLE
• BOMBARDIER CL601RJ MAIN LANDING GEAR PISTON P/N 17114 BEFORE INSTALLATION
File Name & Location
18/04/23, Page 15 EXAMPLE
• BOMBARDIER CL601RJ MAIN LANDING GEAR PISTON P/N 17114 AFTER 1764 CYCLES / 2203 HRS
File Name & Location
18/04/23, Page 16
VISUAL INSPECTION RESULTS
• No evidence of seal leakage• HVOF coating in good condition with slight
discoloration at wow static sealing circumference• There was no abnormal bearing wear• Rod seal indicates some wear (TBD)
File Name & Location
18/04/23, Page 18
Attachment pin after first “A”check 500hrsP/N 17207-1 HVOF coated
File Name & Location
18/04/23, Page 19 Visual inspection of attachment pin after first “A”check 500hrs
P/N 17207-1 HVOF coated
• Some evidence of material transfer from mating bushing (Be-Cu)
• Dry film lube worn off indicating lack of lubrication
• There was no indication of coating wear or distress
File Name & Location
18/04/23, Page 20
Attachment pin after 1764 cycles and 2203 hrsP/N 17207-1 HVOF coated
File Name & Location
18/04/23, Page 21 Visual inspection of attachment pin after 1764 cycles and 2203 hrsP/N 17207-1 HVOF coated
• Coating shows slight wear marks which can be cleaned up within drawing requirements
• There was some material transfer from mating spherical bushing (Be-Cu)
• Dry film lubricant partially worn off• No evidence of corrosion or pitting
File Name & Location
18/04/23, Page 23
CF-18A/B MLG AXLE LEVER ASSEMBLYP/N 74A410509-2004 - new application