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AIRWORTHINESS LIMITATIONS
1. Life Limited Components A. General This section lists all components that have retirement (scrap) times controlled by FAA Engineering.
The retirement times (frequency) are not subject to change by Gulfstream operators.
Structural component life limitations are categorized into two groups: Serialized and Non-Serialized Components.
Serialized components are de fined as being fully interchangeable from one aircraft to another without modi fication or alteration and are contained in T able 1.
Non-serialized components are de fined as not interchangeable among other aircraft and are specifically associated with the original aircraft serial number and are contained in T able 2.
FAR 43.10 Disposition of Life Limited Aircraft Parts provides acceptable guidelines/criteria for use with and/or disposition of life limited parts. After April 15, 2002 each life limited part must be controlled and life status integrity substantiated by part number and serial number. Disposition of Parts Removed identi fies acceptable record keeping methods, including marking instructions per FAR 45.16. and transfer of Life Limited Parts identi fies responsibilities and guidelines for the sell or transfer of life limited parts.
B. Baseline Life Limited Components Tables Main landing gear assemblies (1159L30001 and 1159L40001) have the same life limit, therefore components used in either assembly also have the same life limits.
Nose landing gear assemblies (1159L20004, 1159L30004-11, 1159L30004-13A and 1159L30004-
15) have different life limits; however, the assemblies use common parts. The life limit of individual parts are determined by the life limit of the assembly they are installed in.
EXAMPLE: A nose landing gear assembly 1159L30004-15 has a life limit of 19,000 landings, therefore all sub assembly components will have a 19,000 landing life limit. Sub assembly components installed on a 1159L30004-15 (19,000 ldgs) cannot be used on 1159L30004-13A (21,700 ldgs) to gain an additional 2700 landings.
Replacement parts will have their life limit identi fied individually without being life limited by the original assembly.
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NOSE LANDING GEAR 1159L30004-13A (21,700 LDGS) 1159L20004 (29,000 LDGS) 1159LM30700 Cylinder 1159LM30700 Cylinder 1159LM30520 Piston 1159LM30520 Piston 1159ODL30520 Piston 1159ODL30520 1159LM30585 Drag Brace 1159LM30585 Drag Brace 1159LM30544 Axle 1159LM30544 Axle 1159LM30548 Upr T or Arm 1159LM30548 Upr T or Arm 1159LM30553 Lwr T or Arm 1159LM30553 Lwr T or Arm 1159LM30690 Trunnion 1159LM30690 Trunnion 1159LM30667 Downlock 1159LM30667 Downlock 1159L30004-15 (19,000 LDGS) 1159L30004-11 (20,000 LDGS) 1159LM30700 Cylinder 1159LM30700 Cylinder 1159LM30520 Piston 1159LM30520 Piston 1159ODL30520 Piston 1159ODL30520 Piston 1159LM30585 Drag Brace 1159LM30585 Drag Brace 1159LM30544 Axle 1159LM30544 Axle 1159LM30548 Upr T or Arm 1159LM30548 Upr T or Arm 1159LM30553 Lwr T or Arm 1159LM30553 Lwr T or Arm 1159LM30690 Trunnion 1159LM30690 Trunnion 1159LM30667 Downlock 1159LM30667 Downlock C. Serialized Interchangeable Life limited Components — General Information This section provides the maximum approved lives of serialized parts considered interchangeable from one serial number aircraft to another without modi fication or alteration. Components must not remain in service past its speci fied life. Component lives must be counted gradually for each part from its first entry into service. These parts must be controlled by part number and serial number and must have an appropriate record keeping system to maintain life status integrity.
Service life achieved on any structural part may be less than that permitted by the published limitation as a result of structural repairs from corrosion or in-service events. Repairs and re-calculated life limitations must be considered on a case by case basis. Contact Gulfstream T echnical Operations for assistance.
The base part numbers given are those that have been subjected to certi fication testing and/or analysis and identi fied as a Safe Life designed component. These parts have been identi fied per FAR 45.16 Marking of Life Limited Parts.
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Table 1: Serialized - Interchangeable Life limited Components
PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS CHAPTER 26 FIRE PROTECTION 873364 Cartridge, Engine and APU Fire Extinguisher Container (Kidde) NOTE ← See Note Installed life: 24 months. 261811 / 261816 / 261821 / 261826 / 261831 T otal life (shelf plus installed) 72 months.
261810 / 261815 / 261820 / 261825 / 261830 873364-1 Cartridge, Engine and APU Fire Extinguisher Container (Kidde) NOTE T otal life (shelf plus installed) 120 months.
← See Note 261810 / 261815 / 261820 / 261825 / 261830 30903823 Cartridge, Engine and APU Fire Extinguisher Container (HTL) ← See Note NOTE T otal life (shelf plus installed) 6 years.
261810 / 261815 / 261820 / 261825 / 261830 CHAPTER 27 FLIGHT CONTROLS 1159CS20005 Flap 30,000 Ldgs 274510 / 274710 1159CS20006 Aileron 20,000 Hrs 272010 / 272015 1159CSH20600 Aileron Trim T ab 20,000 Hrs 272020 1159CS20002 1159SB30209 Elevator (Aircraft 1 - 165 and 775 having ASC 175 and Aircraft 166 - 216) 15,000 Ldgs 272310 / 272315 Elevator (Aircraft 1 - 216 and 775 having ASC 256 and Aircraft 217 - 258) 13,000 Ldgs 272310 / 272315 1159CSH20500 Elevator Trim T ab 20,000 Hrs 272510 / 272515 1159CSH20700 Inboard Flight Spoiler 20,000 Hrs 275515 / 275525 1159CSH20702 Outboard Flight Spoiler 20,000 Hrs 275510 / 275520
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PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS 1159CSH20704 Ground Spoiler 20,000 Ldgs 275010 / 275015 / 275011 / 275016 (Six panel speed brake) 1159CS20004 1159CS25000 Rudder (Aluminum) 20,000 Ldgs 272810 1159CS30004 Rudder (Composite) 30,000 Ldgs 272809 CHAPTER 28 FUEL 601002-6D0084 601002-6D0150 Fuel Boost Pump Vapor Line 8 Yrs from date of manufacture 283040 / 283041 283042 / 283043 CHAPTER 32 LANDING GEAR 1159SCH233-1 1159SCH233-3 Emergency Landing Gear Air Bottle 15 Yrs 15 Yrs 326010 1159L20001 1159L30001 1159L40001 Main Gear Strut Assembly 20,000 Ldgs 324010 / 325510 1159L20004 1159L30004 1159L40004 Nose Gear Strut Assembly 20,000 Ldgs 322810
MAIN LANDING GEAR
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PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS 1159HM20178 Main Gear Door Actuator End Cap Fitting - Scrap NOTE For aircraft with landing gear door actuator that has more than 9500 landings since new or which the landings since new cannot be determined, accomplish initial scrap within 12 months from original issue date of CB 467 and scrap of landing gear door actuator end cap every 9500 landings thereafter.
For aircraft with landing gear door actuator that has less than 9500 landings since new accomplish landing gear door actuator end cap scrap at 9500 landings and every 9500 landings thereafter.
For main gear door actuator end cap fittings that are not serialized, the end cap fitting must be tracked by the main gear door actuator part number and serial number until end cap is replaced with a serialized part.
9500 Ldgs ← See Note 323521, 323522 1159L30001 AND 1159L40001 ASSY (See Paragraph 1.B.before this table.)
1159LM20126 1159LM30126 1159LM40126 Structural Post Assembly, Main Gear 20,000 Ldgs 323943 / 325343 1159LM20140 1159LM30140 1159LM40140 Axle Fitting Assembly, Main Gear 20,000 Ldgs 324013 / 325513 1159LM20110 1159LM30110 1159LM40110 Shock Absorber Cylinder Assembly, Main Gear 20,000 Ldgs 324517 / 325817 1159LM20114 1159LM30114 Shock Absorber Piston Assembly, Main Gear 20,000 Ldgs 324516 / 325816
NOSE LANDING GEAR
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PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS 1159L20004 ASSY (See Paragraph 1.B.before this table.)
1159LM20700 Shock Strut Cylinder Assembly, Nose Gear 20,000 Ldgs 322834 1159LM20520 Shock Strut Piston Assembly, Nose Gear 20,000 Ldgs 322835 1159LM20585 Drag Brace Assembly, Nose Gear 20,000 Ldgs 322836 1159LM20544 Axle Fitting Assembly, Nose Gear 20,000 Ldgs 322327 1159LM20548 Upper T orque Arm Assembly, Nose Gear 20,000 Ldgs 322818 1159LM20553 Lower T orque Arm Assembly, Nose Gear 20,000 Ldgs 322819 1159LM20690 Trunnion Assembly, Nose Gear 20,000 Ldgs 323025 1159LM20667 Downlock Assembly, Nose Gear 20,000 Ldgs 322821 1159L30004-11 ASSEMBLY (See Paragraph 1.B.
before this table.)
1159LM30700 Nose Gear Shock Strut Cylinder Assembly 20,000 Ldgs 322834 1159LM30520 Nose Gear Shock Strut Piston Assembly 20,000 Ldgs 322835 1159LM30585 Nose Gear Drag Brace Assembly 20,000 Ldgs 322836 1159LM30544 Nose Gear Axle Fitting Assembly 20,000 Ldgs 322327 1159LM30548 Nose Gear Upper T orque Arm Assembly 20,000 Ldgs 322818 1159LM30553 Nose Gear Lower T orque Arm Assembly 20,000 Ldgs 322819 1159LM30690 Nose Gear Trunnion Assembly 20,000 Ldgs 323025 1159LM30667 Nose Gear Downlock Assembly 20,000 Ldgs 322821 1159L30004-13A ASSEMBLY (See Paragraph 1.B.before this table.)
1159LM30700 Shock Strut Cylinder Assembly, Nose Gear 21,700 Ldgs 322834 1159LM30520 Shock Strut Piston Assembly, Nose Gear 21,700 Ldgs 322835 1159LM30585 Drag Brace Assembly, Nose Gear 21,700 Ldgs 322836 1159LM30544 Axle Fitting Assembly, Nose Gear 21,700 Ldgs 322327
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PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS 1159LM30548 Upper T orque Arm Assembly, Nose Gear 21,700 Ldgs 322818 1159LM30553 Lower T orque Arm Assembly, Nose Gear 21,700 Ldgs 322819 1159LM30690 Trunnion Assembly, Nose Gear 21,700 Ldgs 323025 1159LM30667 Downlock Assembly, Nose Gear 21,700 Ldgs 322821 1159L30004-15 ASSEMBLY (See Paragraph 1.B.before this table.)
1159LM30700 Shock Strut Cylinder Assembly, Nose Gear 19,000 Ldgs 322834 1159LM30520 Shock Strut Piston Assembly, Nose Gear 19,000 Ldgs 322835 1159LM30585 Drag Brace Assembly, Nose Gear 19,000 Ldgs 322836 1159LM30544 Axle Fitting Assembly, Nose Gear 19,000 Ldgs 322327 1159LM30548 Upper T orque Arm Assembly, Nose Gear 19,000 Ldgs 322818 1159LM30553 Lower T orque Arm Assembly, Nose Gear 19,000 Ldgs 322819 1159LM30690 Trunnion Assembly, Nose Gear 19,000 Ldgs 323025 1159LM30667 Downlock Assembly, Nose Gear 19,000 Ldgs 322821 CHAPTER 55 STABILIZERS 1159CS20001 Horizontal Stabilizer 20,000 Ldgs 553010 D. Non-Serialized - Non-Interchangeable Life limited Components — General Information This section provides the maximum approved lives of non-serialized parts considered not interchangeable from one serial number aircraft to another without modi fication or alteration.
Components must not remain in service past its speci fied life. Component lives must be counted gradually for each part from its first entry into service. Each time the part is removed, the life status record must be updated. Aircraft without a record of the number of landings, a conversion of one landing per 1.24 flying hours is considered acceptable. These original production parts must be controlled by part number and aircraft serial number upon removal, per FAR 43.10 (b) and have an appropriate record keeping system to maintain life status integrity.
Replacement parts must be identi fied with the appropriate part number and aircraft serial numbers.
Life status of the replacement part must be documented. A part must be rendered not airworthy and incapable of being repaired upon removal after it has reached its life limit.
Service life achieved on any structural part may be less than that permitted by the published limitation as a result of structural repairs from corrosion or in-service events. Repairs and
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re-calculated life limitations must be considered on a case by case basis. Contact Gulfstream T echnical Operations for assistance.
The base part numbers given are those that have been subjected to certi fication testing and/or analysis and identi fied as a Safe Life designed component. The part numbers of reference items may not be identi fied in the Illustrated Parts Catalog (IPC) but may have an illustrated reference within the IPC. These original production parts have not been identi fied per FAR 45.16 Marking of Life Limited Parts.
Table 2: Non-Serialized - Non-Interchangeable Life limited Components
PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS CHAPTER 32 LANDING GEAR 1159WM20023-9 1159WM20023-10 Sponson Rib Assembly 12,000 Ldgs 324611 / 325911 1159WM20023-19 1159WM20023-20 Sponson Rib Assembly 20,000 Ldgs 324611 / 325911 CHAPTER 53 FUSELAGE 1159B20006 Fuselage Structure Between Sta 580 - 812 20,000 Ldgs 539510 CHAPTER 55 STABILIZERS 1159CS20003 Vertical Stabilizer 20,000 Ldgs 553020 CHAPTER 57 WINGS 1159WM30000 Upper Forward Plank Wing Cover 20,000 Hrs 575180 / 575185 1159WM30001 Upper Aft Plank Wing Cover 20,000 Hrs 575170 / 575175 1159WM30002 Lower Forward Plank Wing Cover 20,000 Hrs 575160 / 575165 1159WM30007 Upper Forward Plank Wing Cover (BL 19-BL 439) 20,000 Hrs 575190 / 575195 1159W20107 1159WM20054 1159WM20055 1159WM20056 1159WM20057 1159WM20105 1159WM20106 1159WM20108 Support Structure For Flap 24,000 Ldgs 277020 / 277025 1159W20170 1159W20173 1159W20176 1159W20183 1159WM20210 1159WM20211 1159WM20230 Support Structure For Flt / Gnd Spoilers 20,000 Hrs 277030 / 277035 (Grd) 277040 / 277045 (Flt) 277050 / 277055 (Flt)
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PART NUMBER NOMENCLATURE
LIMITED
SERVICE LIFE (SCRAP) REMARKS 1159W20187 1159W20188 1159W20189 Support Structure for Aileron 20,000 Hrs 277010 / 277015 CHAPTER 71 POWER PLANT 1159P20372 Aft Engine Mount Beam 20,000 Ldgs 717510 / 717535 1159P20371 Forward Engine Mount Beam 20,000 Ldgs 717515 / 717540 1159P20370 Engine Mount Thrust Strut 20,000 Ldgs 717560 / 717565 1159PM20095 Engine Aft Mount Beam Support Link 20,000 Ldgs 717520 / 717545 1159PM20071 Engine Forward Mount Beam SupportLink 20,000 Ldgs 717525 / 717550
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