2200-Hour/2400-Hour/12-Year Inspection

. NOTE KI-4402 (R44 for Raven I & Clipper I Helicopter) 2200-Hour (2400-Hour for Cadet) Inspection kit contents and KI-4403 for R44 Raven II & Clipper II Helicopters) 2200-Hour Inspection Kit contents are available online at www.robinsonheli.com for review. NOTE 12-Year Inspection is only required for helicopters that have accumulated 12 years in service and less than 2200 hours (R44 S/Ns 0001 thru 9999 and R44 II S/Ns 10001 thru 29999) or 2400 Hours (R44 Cadet S/Ns 30001 & subsequent) time in service since new, since last 2200 hour/2400 hour Inspection, or since last 12 Year Inspection.

OMA EUROFISH

07/17/2024

2200-Hour/2400-Hour/12-Year Inspection

1. Refer to Helicopter maintenance record and S 3.300, replace life limit parts, or next higher assemblies, as required.

2. Refer to helicopter maintenance records and S 1.102; perform additional component maintenance, as required.

3. Remove engine, engine cooling panels, fanwheel, scroll, air induction system, carburetor heat system, oil lines, and all hoses. Overhaul or inspect, as required, magnetos, alternator, and carburetor per appropriate manufacturer's maintenance publications and service bulletins.

4. Remove horizontal and vertical stabilizers per $S 4.410 & 4.420, and replace as required. If replacement is not required, visually inspect stabilizers and verify no cracks, corrosion, loose rivets, dents, or deformation. Fluorescent penetrant inspect any suspect areas per $ 23-42. Install stabilizers per $S 4.410 & 4.420.

5. Remove landing gear assembly per $ 5.1 10, and replace as required. If replacement is not required, completely disassemble gear and remove paint. Visually inspect parts and verify no cracks, corrosion, or deformation. Magnetic particle and fluorescent penetrant inspect per $S 23-41 and 23-42. Clean, prime, and paint per S 23-60. Assemble gear if disassembled. Install landing gear assembly per S 5.120.

6. Remove steel tube frames per § 4.200, and replace as required. If replacement is not required, remove paint. Visually inspect frames and verify no cracks or corrosion. Magnetic particle inspect per $ 23-41. Clean, prime, and paint per $ 23-60. Install frames per $ 4.200.

7. Remove cyclic stick per S 8.111. Remove wiring harness. Remove paint via dry media blasting. Visually inspect and verify no cracks or corrosion. Magnetic particle inspect per $ 23-41. Clean, prime, and paint per § 23-60. Install wiring harness. Install cyclic stick per S 8.111.

8. Remove C121 push-pull tube assemblies per Chapter 8. Remove paint. Visually inspect and verify no cracks or corrosion. Fluorescent penetrant inspect per $ 23-42. Clean, prime, and paint per S 23-60. Install push-pull tubes per Chapter 8.

9. Magnetic particle inspect A650 main gearbox mount fittings, and C339 jackshaft per $ 23-41.

10. Inspect airframe wiring condition. Verify no corrosion, insulation deterioration, or other damage. Verify correct wires attached to correct circuit breakers.

11. Remove main and aux tank fuel bladders per S 12-11 and S 12-21. Visually inspect; verify no cracking or delamination of rubber and rubber-to-metal joints. Visually inspect threaded inserts and fittings for damage. Pressurize to 1 psi max and check for leaks with mild soap & water mixture. Visually inspect tank structures for evidence of bladder leakage. Install bladders per $ 12-11 and S 12-21.

12. Perform clutch sheave alignment per $ 7.230 and intermediate flex plate shimming per $ 7.330.

13. Perform main rotor flight control and blade angle rigging per $ 10.110 and $ 10.120.

14. Perform tail rotor flight control and blade rigging per 10.130 and § 10.140.

15. Perform 100-hour/annual inspection per § 2.400.

16. Weigh helicopter per $ 1.230.

. NOTE Extended low-power operation with new piston rings may prevent proper piston ring seating.

17. Balance tail rotor per § 10.240. Track and balance main rotor per S 10.230. Perform ground check, run up, and flight checks per SS 2.205, 2.210, & 2.220.

18. Drain and flush main and tail rotor gearboxes per SS 1.120 & 1.130.

19. Make appropriate maintenance record entries. Enter maintenance performed (such as part replacement, equipment adjustments, weighing, servicing, and lubrication) and inspection data. Data must include a description of (or reference to data acceptable to the Administrator) the work performed, date, helicopter total time in service, signature, certificate type and certificate number of person approving aircraft return to service.

Firma de técnico #1

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Firma de técnico #2

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Firma de Control de Calidad

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Source: OMA EUROFISH (Community Member)

Please note that any procedure, checklist, or other document available in the MaintainX Procedure Hub is provided for general education and information only and does not constitute legal, medical, or financial advice. MaintainX makes the materials available AS IS and AS PROVIDED, without warranties of any kind. By downloading or using any such materials, you assume the risk that they may not be appropriate for your specific situation and agree that you are solely responsible for any such use, including compliance with applicable law and with meeting any conditions of product warranties.

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