Safety record in brief:1 NTSB accident (substantial damage, Mar 2006)21 ADs may apply
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The manufacturer's inadequate design clearance of the main rotor blade grip pitch cases, which resulted in damage to the pitch cases when they contacted main rotor perimeter bolts during maneuvering flight.
From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC06LA038)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2017-17-03 | MD Helicopters, Inc., Helicopters | Sep 25, 2017 | Airframe (MD 900)Only with: Main rotor upper hub assembly P/N 900R2101006-105, -107, -109, or -111 installed. |
| 2013-20-16 | MD Helicopters, Inc. (MDHI) Helicopters | Dec 5, 2013 | Airframe (MD 900)Only with: Main rotor blade retention bolt P/N 900R3100001-103 or 900R3100001-105 installed. |
| 2013-03-21 | Pratt & Whitney Canada Corp. Turboshaft Engines | Mar 26, 2013 | Engine (PW207E) |
| 2013-03-03 | MD Helicopters, Inc., Helicopters | Mar 15, 2013 | Airframe (MD 900)Only with: Models 500N and 600N with NOTAR fan blade T-T strap P/N 500N5311-5 installed; Model MD900 with T-T strap P/N 500N5311-5, 900R3442009-101, 900R3442009-103, or 900R6442009-103 installed. |
| 2011-14-05 | MD Helicopters, Inc. Model MD900 Helicopters | Aug 1, 2011 | Airframe (MD 900)Only with: Main rotor lower hub assembly P/N 900R2101008-107 with serial numbers beginning with 5009 installed. |
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 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) |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
No Service Difficulty Reports found for this airframe since 1995.