Lockheed Martin Corporation · NYSE:LMT
Lockheed Martin — Technical Presentation (2010)
43 slides from Lockheed Martin's technical presentation, 2010
Slide 1: 2010 C-130 Air Vehicle Update
2010 C-130 Air Vehicle Update Notra Lail – C-130 Lead Subsystems Engineer notra.lail@navy.mil 252-464-5693 NAVAIR / In Service Support Center Cherry Point, NC
Slide 2: Major Focus
Major Focus •KC-130T experienced a right hand (RH) Main Landing Gear (MLG) Torque Strut failure during landing. –Similar to C-130T incident last year where crack initiated at an indentation that breeched the cadmium plate on the forward, lower, inboard area of the MLG torque strut.
Slide 3: Torque Strut Failure
- ss OPERATORS CONp,, > Ga 2009 : =~ Torque Strut Failure
Slide 4: Example of Torque Strut Failure
Example of Torque Strut Failure Indentation
Slide 5: Torque Strut Failure
Torque Strut Failure • Investigation is in progress. −Pending Actions: – Adding additional inspections, or more detailed inspections of torque strut assy.
Slide 6: Torque Strut Failure
Torque Strut Failure Structural repair of damaged airframe is being assessed.
Slide 7: C-130 Subsystems Update
C-130 Subsystems Update
Slide 8: Airframe and Accessory Bulletins (AFB and AYB)
Airframe and Accessory Bulletins (AFB and AYB)
Slide 9: AFB 338 CNI-AP NO. 2 Harness Inspection
AFB 338 CNI-AP NO. 2 Harness Inspection • Title: Inspection of the CNI-SP 16MA001 Harness Assembly for Wire Chafing Conditions • Purpose: One time inspection of the CNI-SP 16MA001 harness assembly for wire chafing on the forward end of the CNI-SP NO. 2 unit against surrounding structure in the cente
Slide 10: AFB 352 Fire Extinguisher System Plumbing
AFB 352 Fire Extinguisher System Plumbing • Title: Inspection of Fire Extinguisher System Plumbing, KC-130J • Purpose: Inspect fire extinguisher plumbing to confirm and ensure that all fire extinguisher plumbing is connected correctly by pressure testing the system. • Result: No results reported.
Slide 11: AFB 360 Proper Wing Joint Bolt Protrusion
AFB 360 Proper Wing Joint Bolt Protrusion • Title: Inspection for Proper Wing Joint Bolt Protrusion, KC-130J • Purpose: Verify that wing joint bolts had proper protrusion through the barrel nut and were fully engaged within the threads of the barrel nut. • Results: No reporting required.
Slide 12: AFB 364 Hydraulic System Suction Boost Pump and Connectors
AFB 364 Hydraulic System Suction Boost Pump and Connectors • Title: Inspection of Booster & Utility Hydraulic System Suction Boost Pump and Aircraft Mating Connectors, KC-130J • Purpose:. To inspect for corrosion and contamination on connectors. Resulted from RAF report of a boost pump fire due to s
Slide 13: AYB 1245 In-flight Hose Assemblies For Proper Marking
AYB 1245 In-flight Hose Assemblies For Proper Marking • Title: Inspection of FR-300 In-flight Hose Assemblies For Proper Marking (legacy and KC- 130J) • Purpose: Ensure all legacy and KC-130J in-flight refueling hose assemblies have the correct location of preset trail and emergency trail indication
Slide 14: AFB 1311 MLG Wheel Assembly Tie Bolts
AFB 1311 MLG Wheel Assembly Tie Bolts • Title: Inspection of C-130 MLG Wheel Assembly Tie Bolts • Purpose: To magnetically inspect the MLG wheel assembly for tie bolts, P/N GY1810-60 (CAGE 52A70 or 73842), that are incorrectly made from titanium (Ti 6Al-4V or Ti 6-4) and are weaker than the correct
Slide 15: Engineering Investigations
Engineering Investigations
Slide 16: Hose Reel Assembly
Hose Reel Assembly EICN: WC2EI-C130-0006-10M Problem: Hose retracted to the 10 foot mark, then rapidly departed out of the tunnel, separating from the aircraft. Preliminary Findings: − Preset trail drum position was set at 2:00 vise 4:30 clock position. − S109 drogue position switch actuated when ha
Slide 17: Hose Reel Assembly
Hose Reel Assembly Causal Factor: Incorrect adjustment of servo spool and S109 switch, incorrect sequencing of line select keys during operation
Slide 18: Nose Landing Gear (NLG) Strut
Nose Landing Gear (NLG) Strut EICN: WC2EI-C130-0009-10S Problem: A cracked NLG Actuator Attach Collar was discovered during aircraft wash Preliminary Findings: − Collar failed in overload. − No indentations or other mechanical damage found − Fillet radius on the fractured side of the lug ranged 0.03
Slide 19: Nose Landing Gear (NLG) Strut (con't)
Nose Landing Gear (NLG) Strut (con’t)
Slide 20: Nose Landing Gear (NLG) Strut (con't)
Nose Landing Gear (NLG) Strut (con’t)
Slide 21: Nose Landing Gear (NLG) Strut (con't)
Nose Landing Gear (NLG) Strut (con’t) Causal Factor: NLG actuator attach collar failed in overload starting at the 0.25 inch fillet radius transitioning between the aft lug and upper mount. Correlation between incorrect radius and failure unknown.
Slide 22: Flap Motor
Flap Motor EICN: WC2EI-130J-0002-09S Problem: Flaps did not extend when control lever was moved from 0-50 percent flaps during landing. Hydraulic system was functioning properly Preliminary Findings: − Two piston rods failed in single point overload. − Motor was properly lubricated and could be free
Slide 23: Vertical Stabilizer Diffuser
Vertical Stabilizer Diffuser EICN: WC2EI-C130-0002-10S Problem: During replacement of the vertical stabilizer anti- icing boot, maintainers discovered pieces of diffuser assembly lying in base of leading edge. Cracks were also found in the leading edge inner skin. Preliminary Findings: − Hole approx
Slide 24: Vertical Stabilizer Diffuser (con't)
Vertical Stabilizer Diffuser (con’t) Causal factor: Diffuser, P/N 351613-6, failed due to fatigue from incorrect crimping of nozzles. − Vendor corrected manufacturing issue in May 2006. − P/N 351613-6 diffusers with serial number of 1983 and above were manufactured after the vendor manufacturing imp
Slide 25: 10.07.2009
10.07.2009
Slide 26: Things Falling Off Aircraft (TFOA)
Things Falling Off Aircraft (TFOA)
Slide 27: TFOA
TFOA • Isolites • Splash Guard and Clamp
Slide 28: TFOA Isolites
TFOA Isolites • Various changes (ex, steel bolts with self-locking nuts) as a means of retaining the isolites • Changes have failed to solve TFOA issues with isolites, because of operational environment of receivers plugging and handling of paradrogue • Looking at alternate retaining methods or ways
Slide 29: TFOA MLG Splash Guard and Clamp
TFOA MLG Splash Guard (aka, Dust Boot) and Clamp • Clamp is a common hose clamp with no locking device. Vibration causes clamp to gradually loosen and the splash guard departs during flight. • Lockheed incorporated clamp, P/N 365C62-344SH, with a locking device that will prevent vibrational loosenin
Slide 30: C-130 Structures Update
C-130 Structures Update Lauri Ventry – C-130 Lead Structures Engineer NAVAIR / In Service Support Center Cherry Point, NC lauri.ventry@navy.mil 252-464-8603 Fax: 252-464-8624
Slide 31: KC-130J Blown Tire
KC-130J Blown Tire • Damage to the RH MLG fairing occurred as a result of a tire blow out.
Slide 32: KC-130J Blown Tire
KC-130J Blown Tire • Damage was cut away to allow the MLG to retract. • Temporary repair for a one-time flight from Forward Observation Base to Main Operating Base.
Slide 33: KC-130J Blown Tire
KC-130J Blown Tire Following slides will show the build up of the MLG fairing and the final repair.
Slide 34: KC-130J Blown Tire
KC-130J Blown Tire
Slide 35: KC-130J Blown Tire
KC-130J Blown Tire
Slide 36: KC-130J Blown Tire
+4 KC-130J Blown Tire
Slide 37: Final repair
+ Final repair
Slide 38: KC-130J vs. KC-135
KC-130J vs. KC-135 • KC-130J collided with a tail boom of a KC-135. Damage was to the leading edge of the RH outer wing.
Slide 39: KC-130 vs. KC-135
“S Sy ) KC-130 vs. KC-135
Slide 40: KC-130 vs. KC-135
+4 KC-130 vs. KC-135
Slide 41: KC-130 vs. KC-135
KC-130 vs. KC-135
Slide 42: KC-130 vs. KC-135
+4 ar "> KC-130 vs. KC-135
Slide 43: KC-130 Final Repair
KC-130 Final Repair • The upper spar cap was spliced IAW the structural repair manual. • The leading edge assembly and wing tip assembly was replaced.