Attachment__2_SOW.pdf

RFQ #80AFRC17Q0004

STATEMENT OF WORK

Landing Gear Overhaul

LANDING GEAR REMOVED FROM B747-SP N747NA S/N 21411

Date: 08/02/2017

National Aeronautics and Space Administration

Armstrong Flight Research Center

Edwards, California

RFQ No. 80AFRC17Q0004

Date June 26, 2017 Version #2

Table of Contents

1.0 Background

2.0 Objectives

3.0 Scope

4.0 Tasks

5.0 Deliverables

6.0 Government-Furnished Property (GFP)

7.0 Performance / Qualifications

8.0 Shipment requirements

9.0 Other Unique Requirements and Considerations

10.0 Place of performance

11.0 Period of performance

RFQ 80AFRC17Q0004 B747-SP Landing Gear Overhaul

Aug 2, 2017 Version #2

1.0 Background

The National Aeronautics and Space Administration (NASA) operates a Boeing 747SP aircraft as an airborne astronomical observatory under the Stratospheric Observatory for Infrared

Astronomy (SOFIA) Program. This aircraft N747NA S/N 21411 is operated by NASA

Armstrong Flight Research Center (AFRC) and is located at Palmdale, CA.

Removed Landing Gear Information:

Type Aircraft Boeing 747SP

Engine Type PW JT9D

Tail Number N747NA

Serial Number 21411

Total Hours 77,985

Total Cycles 10,561

Nose P/N 65B18202-9 S/N 26660

Left Hand (LH) Wing P/N 65B18201-23 S/N 11756

Right Hand (RH) Wing P/N 65B18201-24 S/N 10475

Left Hand (LH) Body P/N 65B18203-19 S/N 11753

Right Hand (RH) Body P/N 65B18203-20 S/N 11748

2.0 Objectives

Overhaul of a complete landing gear ship set for NASA’s B747SP, with all applicable airworthiness directives and service bulletins incorporated. Landing gear being overhauled has had 180 cycles over the last 12 years.

3.0 Scope

Provide a complete overhauled landing gear ship set for the NASA SOFIA Programs B747-SP aircraft. This includes:

2 ea. LH and RH Wing Main Landing Gear (MLG);

2 ea. LH and RH Body MLG;

1 ea. Nose Landing Gear (NLG)

All assemblies shall include all components that would enable an operator to install/change the landing gear as an all-inclusive Ready for Installation (RFI) assembly.

4.0 Requirements/ Tasks

4.1 Tasks

Overhaul and Build-up 747SP NLG Assembly –P/N 65B18202-9, S/N 26660

1. NLG component assembly - 65B18202-9

2. Shock strut assembly - 65B01459-8

3. Axel assembly –65B19923

4. Drag strut assembly – 65B01222

5. Upper tripod brace – 65B01225-1

6. Lower tripod brace – 65B05271-3

7. Torsion link assemblies – 65B05340 upper & 65B05342 lower

8. Tow fitting – 65B08800-1

9. Trunnion pins – 65B05106

10. Hydraulic installation – 65B01562-1

11. Electrical installation includes all conduits, hardware etc.

12. Wire harness – 65B40862

13. Hardware installation

14. Pivot link installation – 65B82745

15. Bullnose installation – 65B14240

16. Steering collar – 65B05250-30

17. Steering actuator support assemblies

18. Steering actuators – 65B01503

19. Steering summing mechanism - 65B81434-1

20. Steering metering valve – 65B01519

21. Downlock actuator – 1U1204-4

22. Oleo pressure switch – 6584059-2

23. Downlock bungee – 65B05398-8

24. Retract actuator – 65B01550

4.2 Tasks

Overhaul and Build-up 747SP Wing Landing Gear (WLG)

(LH) P/N 65B18201-23, 11756 (RH) P/N 65B18201-24 S/N 10475

1. Component assembly – 65B18201-23 & 24

2. Shock strut assembly –65BI8211-5 & -6

3. Torsion link assemblies – 65B18219

4. Side brace assembly – 65B18207-5 & 6

5. Drag brace assembly –65B18218-2

6. Jury strut upper and lower assemblies- 65B05338 and 65B05336

7. Truck beam assembly. –65B18223-1

8. Truck lock Installation– 65B01483-8

9. Hydraulic support – 65B80165

10. Hydraulic installation – 65B01561

11. Electrical harness – 65B40861

12. Attaching hardware

13. Down lock actuator – 69B80358

14. Down lock bungee- 65B08803

15. Fwd. trunnion bearing housing and fuse pin

16. Walking beam assembly – 65B01204-7

17. Brake rod assembly – 65B18225-3

18. Truck positioning actuators – 65B01539

19. Gear retract actuator – 65B01501-11

4.3 Tasks

Overhaul and Build-up 747SP Body Landing Gear (BLG)

(LH) P/N 65B18203-19, S/N 0628, 11753 (RH) P/N 65B18203-20 S/N 11748

1. Component assembly – 65B18203-19 & 20

2. Shock strut assembly – 65B18231-19 & 20

3. Trunnion assembly – 65B19918

4. Up-lock Installation 65B01291-12

5. Truck beam assembly –65818223-1

6. Hydraulic installation– 65B01563

7. Hydraulic installation support – 65B80164

8. Electrical harness installation – 65B40863-27 & 28

9. Attaching hardware

10. Steering mechanism – 65B05160 –1 & 2

11. Drag strut assembly –65B01209

12. Jury strut assembly upper and lower – 65B05370 & 65B05374

13. Side brace assembly – 65B18234-1

14. Bungee assembly – 65B08802

15. Torsion link assemblies - 65B18237-1

16. Downlock actuators – 69B80358

17. Steering actuators – 1U1171-5

18. Brake rod assembly – 65B18225-3

19. Truck positioning actuators – 65B01504.

20. Gear retract actuators – 65B01502

Note: Wheels Tires and Brakes are not included in the build-up

BLG Life Limited Parts must extend to the next overhaul with time remaining; NASA currently has a required life cycle of 12 years after Landing Gear installation.

4.4 Tasks

Ensure compliance with the below FAA / OEM and Historical Documents:

1. Previously complied airworthiness directives and service bulletins

2. Service Bulletins and Service Letters to be incorporated during overhaul Oleo pressure switch shut off valve installation– SB-747-27-2283

3. Previous Overhaul Documents

4. Landing Gear Previously Installed Aircraft Summary Data Sheet.

4.5 Ensure compliance with overhaul documents

1. Boeing component maintenance manuals for B747 NLG, WLG and BLG

2. Vendor overhaul and repair station manuals

3. Boeing approved expanded repair limits

4. Boeing standard practices and processes as they apply to the landing gear overhaul.

5. Compliance with all Applicable Federal Aviation Administration (FAA) airworthiness directives

6. Compliance with all applicable Original Equipment Manufacturer (OEM) service bulletins

4.6 Time between Overhauls / Life Limited Components

1. NASA requires the landing gear to be overhauled every twelve years

2. Life limited Landing Gear components are tracked as an assembly

3. Vendor to provide life limited Time Since New (TSN) and or Cycles Since New

(CSN) information

4. Landing Gear life limited parts installed must extend to the next scheduled overhaul after installation.

4.7 General Build-up

1. Shock strut fluid to be Castrolaero 40 or equivalent

2. Grease to meet Boeing Manufacture Specification (BMS) 3-33

3. Scraper / seal configuration compatible Mil-H-5606

5.0 Deliverables

5.1 Overhauled RFI main and nose landing gear ship set, for B-747SP

2ea. wing landing gear

2ea. body landing gear

1ea. nose landing gear

5.2 Landing gear shall be delivered certified for type CG2 with a maximum taxi gross weight of 703K

5.3 Data Package

1. Life Limited Parts (LLP) List

2. FAA 8130 for each major assembly

3. List of all airworthiness directives embodied

4. List of all service bulletins embodied

5. List of all service letters embodied

6. Submittals to Boeing with Boeing response (if applicable)

7. 3 year warranty from delivery

5.4 Provide access for NASA to perform periodic facility, process and quality

Inspections.

6.0 Government-Furnished Property, Material, Equipment, or Information (GFP, GFM, GFE, or GFI)

6.1 B747-SP landing gear assemblies and major components

1. Nose P/N 65B18202-9 S/N 26660

2. LH Wing P/N 65B18201-23 S/N 11756

3. RH Wing P/N 65B18201-24 S/N 10475

4. LH Body P/N 65B18203-19 S/N 11753

5. RH Body P/N 65B18203-20 S/N 11748

6.2 Major components

1. Drag strut assemblies

2. Steering actuators

3. Gear retract actuators

7.0 Performance / Qualifications

Contractor shall provide evidence of the following:

1. Prime must be an FAA Part 145 Repair station with appropriate rating to perform overhaul of Heavy Landing Gear implemented a Quality Management System (QMS) that is compliant to the requirements of International Aerospace Quality Standard

AS9100.

2. Be certified mechanics.

3. Qualification to perform all aspects of this work scope

4. Currency with the changes to OEM overhaul manual and federal regulations

5. Capability to render of rendering services in analysis of landing gear technical problems

6. At least 10 years of experience in 747SP landing gear overhauls

8.0 Shipment requirements

Please refer to the "Attachment #2 Quality Documents" for specific shipping requirements:

1. Pre-Ship Review (PSR)

2. Shipping

3. Hardware Handling, Cleaning and Packaging

4. Data Delivery Package

9.0 Other Unique Requirements and Considerations

Please refer to the "Attachment #2 Quality Documents" for specific NASA Quality

Requirements:

Procurement Quality Requirements

NASA Performance / Qualifications

Government Source Inspection

Nonconformance Reporting

Contractor Quality Assurance Plan/Manual

10.0 Place of Performance

The contract will be performed at the contractor location.

11.0 Period of Performance

The period of performance shall complete the overhaul 150 Days from receipt of order.