Information Letters (Pre-2014) |
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Number |
Date |
Status |
Subject |
| 47-79-1 | 04/18/79 | Active | Mast Bearing P/N 47-620-973-001 |
| 47-79-2 | 10/23/79;11/2/79 | Active | Fuel System Breakaway Valve, Repair Of |
| 47-80-3 | 02/14/80 | Active | Tail Rotor Assy - Safety Considerations |
| 47-96-5 | 02/26/96 | Active | Main Rotor Blade Fill/Fair Compound |
| 47-00-6 | 06/05/00 | Active | ASB 47-00-24 Models 47 Series Airworthiness Limitations Schedule, Changes To |
| 47-00-7 | 08/11/00 | Active | All Owners/Operators of Bell 47 Series Helicopters |
| 47-00-8 | 09/08/00 | Active | Bell 47 Main Rotor Grips |
| 47-00-9 | 09/29/00 | Active | Bell 47 Main Rotor Grips |
| 47-01-10 | 08/03/01 | Active | Maintaining Aging Aircraft |
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