| 2010-06-06 | MD Helicopters, Inc. Model MD-900 Helicopters | Apr 20, 2010 | Airframe (MD 900) |
| 2009-07-13 | MD Helicopters, Inc. Model MD900 (including the MD902 Configuration) Helicopters | May 14, 2009 | Airframe (MD 900)Only with: Helicopters (including MD902 Configuration) that have not complied with MDHI Mandatory Service Bulletin SB900-099 R1, dated December 27, 2006. |
| 2009-03-05 | Pratt & Whitney Canada PW206A, PW206B, PW206B2, PW206C, PW206E, PW207C, PW207D, and… | Mar 27, 2009 | Engine (PW207E) |
| 2008-17-51 | MD Helicopters, Inc. Model MD900 Helicopters | Aug 14, 2008 | Airframe (MD 900)Certain serial numbers: MD900 900-00008–900-00128. Only with: With P/N 900C3010045-105 forward directional control cable, P/N 900C2010582-103 rotating cone control rod, and P/N 9000F2318021 (all dash numbers) tailboom assembly installed. |
| 2008-22-53 | MD Helicopters, Inc. Model MD900 Helicopters | Dec 17, 2008 | Airframe (MD 900)Only with: Vertical Stabilizer Control System (VSCS) adapter tube P/N 500N7218-1 installed. |
| 2006-18-01 | MD Helicopters, Inc. Model MD900 Helicopters | Oct 3, 2006 | Airframe (MD 900)Only with: With a Notar fan system tension-torsion (TT) strap P/N 900R3442009-103, 900R6442009-103, 900R3442009-101, or 500N5311-5 installed. |
| 2004-16-08 | MD Helicopters Inc. Model MD900 Helicopters | Aug 25, 2004 | Airframe (MD 900)Only with: Fan Input Force Limiting Control Rod Assembly P/N 900C6010239-105 or 900C2010239-107 installed. |
| 2004-14-22 | Pratt & Whitney Canada PW206B, PW206C, PW206E, PW207D, and PW207E Turboshaft Engines | Aug 3, 2004 | Engine (PW207E)Only with: PW206B engines only if PWC Service Bulletin No. 28119 has been incorporated. |
| 2003-14-51 | MD Helicopters, Inc., Model MD900 Helicopters | Aug 25, 2003 | Airframe (MD 900)Certain serial numbers: MD900 900-00008–900-00114. Only with: Main rotor blade retention bolt, part number 900R3100001-103, installed. |
| 2002-22-51 | MD Helicopters, Inc. Model MD900 Helicopters | Dec 26, 2002 | Airframe (MD 900)Certain serial numbers: 900-00008–900-00110. Only with: With main rotor support static mast P/N 900F2401021-101 installed. |
| 2002-23-03 | MD Helicopters, Inc. Model MD900 Helicopters | Dec 26, 2002 | Airframe (MD 900)Certain serial numbers: MD900 0008–0068 |
| 2002-15-07 | MD Helicopters, Inc., Model MD900 Helicopters | Sep 10, 2002 | Airframe (MD 900)Certain serial numbers: MD900 900-00008; MD900 900-00010–900-00098; MD900 900-00100. Only with: With a lateral-mixer bellcrank assembly P/N 900C2010203-105 installed. |
| 2002-10-05 | MD Helicopters Inc. Model MD-900 Helicopters | Jun 19, 2002 | Airframe (MD 900)Only with: Main rotor upper hub assembly P/N 900R2101006-105 or 900R2101006-107 installed. |
| 2001-25-51 | MD Helicopters, Inc. Model MD900 Helicopters | Feb 1, 2002 | Airframe (MD 900)Certain serial numbers: MD900 900-00008–900-00107. Only with: With integrated instrument display system (IIDS) P/N 900A3720002-107, -109, -111, or -113 installed. |
| 2000-18-08 | MD Helicopters, Inc. Model MD-900 Helicopters | Oct 19, 2000 | Airframe (MD 900)Certain serial numbers: MD-900 0008–0068 |
| 2000-10-06 | MD Helicopters Inc. Model MD900 Helicopters | Jun 1, 2000 | Airframe (MD 900) |