MD Helicopters - Directives

Directives

Page Last Updated: 15 MAY 2013

Use the Navigation Buttons to the left for;FAA Airworthiness Directives , and older archived Service Bulletins, Technical Bulletins, and Service Letters.

Documents Issued within the last 90 days will be posted below; such as, Service Bulletins, Technical Bulletins, Service Letters and Temporary Revisions.

Model 900 Helicopters
Model 600 and 500 Series Helicopters
Model 369H Series Helicopters

European Aviation Safety Agency (EASA) Links

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Model 900 Helicopters- Bulletins & Letters

Size	Publication Number	Publication Title	Issue /Reissue Date
160K	TB900-043	MODIFICATION OF THE NACA INLET DOOR PANEL ASSEMBLY Procedures in this Bulletin give owners and operators information to modify the NACA inlet door panel assembly with a toggle switch that has a detent which will lock the OVERRIDE (CLOSED) switch position for the closed inlet door to make sure the switch cannot be accidentally put in the NORMAL (OPEN) position.	08 APR 2013
334K	SL900-078	INSPECTION OF GOODRICH HOIST MOTORS This letter tells owners and operators to do an inspection of the rescue hoist motors shown in the attached Goodrich Alert Service Bulletin 44301-10-15 (ref. EASA EAD 2013-0077-E and FAA EAD 2013-06-51)	26 MAR 2013
74K	TB900-044	INCREASE OF OPERATIONAL WEIGHT LIMIT TO 6770 LB (3070.82 KG) Procedures in this Bulletin give owners and operators information to increase the operational weight limit of MD Explorer rotorcraft with PW207E turbine engines installed.	15 MAR 2013

Model 369D,E,FF, 500N, 600N Helicopters - Bulletins & Letters

Size	3 6 9 D	3 6 9 E	3 6 9 FF	5 2 0 N	6 0 0 N	Doc. #	Title	Issue /Reissue Date
329K		X	X	X	X	TB369E-005, TB369F-008, TB500N-005, TB600N-010	SLANT CONSOLE INSTALLATION Procedures in this Bulletin give owners and operators information to modify existing rotorcraft for installation of a slant console.	15 MAY 2013
148K		X	X			SB369E-108 SB369F-094	AFT POSITION AND ANTI-COLLISION LIGHT MOUNTING INSPECTION, REPLACEMENT AND REPAIR The aft position light mounting bracket assembly is experiencing fatigue cracking due to increased weight of LED position light. Procedures in this Bulletin give owners and operators information to replace the aft position light mounting bracket assembly and inspect and repair the anti-collision light support assembly.	14 MAY 2013
101K	X	X	X	X		SB369D-206R1 SB369E-101 R1 SB369F-086 R1 SB500N-043 R1	INSPECTION OF P/N 369D292028, AFT PASSENGER STEP ASSEMBLIES, ON EXTENDED LANDING GEAR ASSEMBLIES Examine aft passenger step assemblies for possible cracked welds. This bulletin gives instructions for a three-part inspection: Initial visual inspection with 10X magnification Proof-load test with visual inspection Fluorescent penetrant inspection of the aft passenger step assembly welds	26 APR 2013
208K	X	X	X	X	X	SB369D-211R1 SB369E-106 R1 SB369F-092 R1 SB500N-048 R1 SB600N-056R1	UPPER MAIN ROTOR PITCH CONTROL ROD END, PN 369A1011 INSPECTION AND REPLACEMENT MDHI has determined that upper main rotor pitch control rod ends, PN 369A1011, identified with vendor code 5963 and a manufacture date between 07-01-11 and 08-31-11, installed on aircraft or purchased as spares between July 2011 and November 2012 can show a breakout torque that is too high after an unusually short time.	16 APR 2013

Model 369H Helicopters - Bulletins & Letters

Size	Doc. #	Title	Issue /Reissue Date
208K	SB369H-253r1	UPPER MAIN ROTOR PITCH CONTROL ROD END, PN 369A1011 INSPECTION AND REPLACEMENT MDHI has determined that upper main rotor pitch control rod ends, PN 369A1011, identified with vendor code 5963 and a manufacture date between 07-01-11 and 08-31-11, installed on aircraft or purchased as spares between July 2011 and November 2012 can show a breakout torque that is too high after an unusually short time.	16 APR 2013