# Lycoming LTS-101 series

- Type: Engine model (FAA registry)
- Registry code: 41560
- Manufacturer (registry): LYCOMING
- Model: LTS-101 SER
- Engine type: Turbo-shaft
- Power: 317 hp
- Data sheet: [TCDS E5NE](https://openairdocs.org/tcds/E5NE) (OpenAirDocs)
- Holder: Intermountain Turbine Services Inc.
- Installed in: 29 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-lts-101-series

The registry names only the engine series, so ADs for every model in the series are matched.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2011-23-13](https://openairdocs.org/ad/2011-23-13): Power turbine governors (PTG) · Honeywell International LTS101-600A-2, LTS101-600A-3, LTS101-600A-3A and 1 more. Effective Nov 29, 2011
- [AD 2011-08-06](https://openairdocs.org/ad/2011-08-06): Power turbine rotors · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 10 more. Effective May 17, 2011
- [AD 2009-24-12](https://openairdocs.org/ad/2009-24-12): Gas generator · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 12 more. Effective Jan 4, 2010
- [AD 2002-03-09 R1](https://openairdocs.org/ad/2002-03-09-R1): Impellers · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Mar 27, 2002
- [AD 2001-25-04](https://openairdocs.org/ad/2001-25-04): Fuel Controls · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 1 more. Effective Jan 23, 2002
- [AD 2001-22-07](https://openairdocs.org/ad/2001-22-07): Rigid Tube Fuel Manifold Assemblies · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Nov 30, 2001
- [AD 2001-17-15](https://openairdocs.org/ad/2001-17-15): Engine Fuel Pumps · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 2 more. Effective Oct 1, 2001
- [AD 96-12-27](https://openairdocs.org/ad/96-12-27): Gas Generator Turbine Disk · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Aug 19, 1996
- [AD 96-12-05](https://openairdocs.org/ad/96-12-05): Turbine rotors · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 14 more. Effective Aug 12, 1996
- [AD 96-10-04](https://openairdocs.org/ad/96-10-04): Fuel control · Honeywell International LTS101-600A-2 and LTS101-600A-3. Effective Jun 13, 1996
- [AD 96-06-10](https://openairdocs.org/ad/96-06-10): Power turbine (PT) disk · Honeywell International LTS101-600A-2, LTS101-600A-3 and LTS101-750B-2. Effective May 28, 1996
- [AD 95-26-01](https://openairdocs.org/ad/95-26-01): Power Turbine · Honeywell International LTS101-650B-1, LTS101-650C, LTS101-750B-1 and 1 more. Effective Apr 22, 1996
- [AD 95-16-04](https://openairdocs.org/ad/95-16-04): Axial Compressor Rotors · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Oct 2, 1995
- [AD 95-08-14](https://openairdocs.org/ad/95-08-14): Electronic Overspeed Protection System · Honeywell International LTS101-650B-1, LTS101-650C-3, LTS101-650C-3A and 2 more. Effective May 9, 1995
- [AD 94-18-06](https://openairdocs.org/ad/94-18-06): Bearings · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Sep 26, 1994
- [AD 93-13-11](https://openairdocs.org/ad/93-13-11): Gas Generator Turbine Rotor Disk · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 22 more. Effective Nov 8, 1993
- [AD 92-15-07](https://openairdocs.org/ad/92-15-07): Integrally Cast Power Turbine (PT) Rotor Blade · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 21 more. Effective Sep 2, 1992
- [AD 88-14-01](https://openairdocs.org/ad/88-14-01): Power Turbine Disk · Honeywell International LTS101-600A, LTS101-600A-1, LTS101-600A-2 and 17 more. Effective Jul 6, 1988
- [AD 86-10-04](https://openairdocs.org/ad/86-10-04): Gas Producer (G.P.) Blade · Honeywell International LTP 101-600A-1A, LTP 101-700A-1A, LTS101-600A-2 and 11 more. Effective May 16, 1986
- [AD 84-02-07](https://openairdocs.org/ad/84-02-07): Output Gear Assembly and Torquemeter Gear Assembly · Honeywell International LTS101-600A-2. Effective May 7, 1984
- [AD 83-16-03](https://openairdocs.org/ad/83-16-03): Install Overspeed Limiter · Honeywell International LTS101-600A-2. Effective Aug 25, 1983
- [AD 79-06-06 R2](https://openairdocs.org/ad/79-06-06-R2): Lubrication System Contamination · Honeywell International LTP 101-600, LTP 101-600A, LTS101-600A and 3 more. Effective Jun 2, 1980
- [AD 79-20-03](https://openairdocs.org/ad/79-20-03): Fuel Control, Fuel Pump And Oil Pump Drive Gears · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 5 more. Effective Sep 26, 1979
- [AD 84-14-01](https://openairdocs.org/ad/84-14-01): T4 Indicator System Check · Honeywell International LTS101-600A-2

Historical (superseded or no longer in force):

- [AD 95-09-02](https://openairdocs.org/ad/95-09-02) (historical): Fuel Pumps · Honeywell International LTP 101-600, LTP 101-600A, LTP 101-600A-1A and 12 more. Effective May 10, 1995

## Registered aircraft (29)

- [N112LL](https://openairdocs.org/aircraft/N112LL): [Patriot Aviation Inc](https://openairdocs.org/faa-owner/PATRIOT%20AVIATION%20INC), [Greenville, DE](https://openairdocs.org/faa-place/DE/Greenville), built 1984, S/N 7038
- [N116SR](https://openairdocs.org/aircraft/N116SR): [United States Department Of Energy](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20ENERGY), [Aiken, SC](https://openairdocs.org/faa-place/SC/Aiken), S/N 7012
- [N117AM](https://openairdocs.org/aircraft/N117AM): [Jc Aircraft Leasing LLC](https://openairdocs.org/faa-owner/JC%20AIRCRAFT%20LEASING%20LLC), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla), built 1988, S/N 7140
- [N117CH](https://openairdocs.org/aircraft/N117CH): [Metro Aviation Inc](https://openairdocs.org/faa-owner/METRO%20AVIATION%20INC), [Shreveport, LA](https://openairdocs.org/faa-place/LA/Shreveport), built 1987, S/N 7123
- [N117MK](https://openairdocs.org/aircraft/N117MK): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 1989, S/N 7196
- [N117SR](https://openairdocs.org/aircraft/N117SR): [United States Department Of Energy](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20ENERGY), [Aiken, SC](https://openairdocs.org/faa-place/SC/Aiken), built 1986, S/N 7084
- [N150KF](https://openairdocs.org/aircraft/N150KF): [Rotorcraft Support In](https://openairdocs.org/faa-owner/ROTORCRAFT%20SUPPORT%20IN), [Fillmore, CA](https://openairdocs.org/faa-place/CA/Fillmore), S/N 7142
- [N154AM](https://openairdocs.org/aircraft/N154AM): [Windward Aviation Inc](https://openairdocs.org/faa-owner/WINDWARD%20AVIATION%20INC), [Puunene, HI](https://openairdocs.org/faa-place/HI/Puunene), built 1988, S/N 7154
- [N155SC](https://openairdocs.org/aircraft/N155SC): [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village), S/N 7141
- [N16UA](https://openairdocs.org/aircraft/N16UA): [E D Santos & Associates LLC Trustee](https://openairdocs.org/faa-owner/E%20D%20SANTOS%20%26%20ASSOCIATES%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1984, S/N 47141
- [N170MC](https://openairdocs.org/aircraft/N170MC): [5-State Helicopters Inc](https://openairdocs.org/faa-owner/5-STATE%20HELICOPTERS%20INC), [Fate, TX](https://openairdocs.org/faa-place/TX/Fate), built 1990, S/N 7217
- [N222FZ](https://openairdocs.org/aircraft/N222FZ): [Cdh Enterprises LLC](https://openairdocs.org/faa-owner/CDH%20ENTERPRISES%20LLC), [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood), S/N 47073
- [N222LL](https://openairdocs.org/aircraft/N222LL): [Kauffman Land & Development LLC](https://openairdocs.org/faa-owner/KAUFFMAN%20LAND%20%26%20DEVELOPMENT%20LLC), [Ft Lupton, CO](https://openairdocs.org/faa-place/CO/Ft%20Lupton), built 1981, S/N 47060
- [N223HX](https://openairdocs.org/aircraft/N223HX): [Jonam LLC](https://openairdocs.org/faa-owner/JONAM%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1984, S/N 47511
- [N29KH](https://openairdocs.org/aircraft/N29KH): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1981, S/N 47053
- [N30836](https://openairdocs.org/aircraft/N30836): [Cornerstone Financial Enterprises LLC](https://openairdocs.org/faa-owner/CORNERSTONE%20FINANCIAL%20ENTERPRISES%20LLC), [Mesquite, NV](https://openairdocs.org/faa-place/NV/Mesquite), built 1980, S/N 47036
- [N317UH](https://openairdocs.org/aircraft/N317UH): [Jc Aircraft Leasing LLC](https://openairdocs.org/faa-owner/JC%20AIRCRAFT%20LEASING%20LLC), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla), built 1991, S/N 7243
- [N322AW](https://openairdocs.org/aircraft/N322AW): [541 East Liberty LLC](https://openairdocs.org/faa-owner/541%20EAST%20LIBERTY%20LLC), [Savannah, GA](https://openairdocs.org/faa-place/GA/Savannah), built 1987, S/N 47151
- [N34NR](https://openairdocs.org/aircraft/N34NR): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1982, S/N 47068
- [N485UH](https://openairdocs.org/aircraft/N485UH): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), S/N 7036
- [N624AM](https://openairdocs.org/aircraft/N624AM): [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village), built 1989, S/N 7163
- [N64UP](https://openairdocs.org/aircraft/N64UP): [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village), built 1988, S/N 7143
- [N707LP](https://openairdocs.org/aircraft/N707LP): [N-707lp Inc](https://openairdocs.org/faa-owner/N-707LP%20INC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), S/N 47072
- [N74SP](https://openairdocs.org/aircraft/N74SP): [Price Aircraft LLC](https://openairdocs.org/faa-owner/PRICE%20AIRCRAFT%20LLC), [Wheatland, WY](https://openairdocs.org/faa-place/WY/Wheatland), S/N 47552
- [N792LF](https://openairdocs.org/aircraft/N792LF): [Gulf State Aviation LLC](https://openairdocs.org/faa-owner/GULF%20STATE%20AVIATION%20LLC), [Tomball, TX](https://openairdocs.org/faa-place/TX/Tomball), built 1978, S/N 1035
- [N800HL](https://openairdocs.org/aircraft/N800HL): [Yorkshire Helicopters USA Inc](https://openairdocs.org/faa-owner/YORKSHIRE%20HELICOPTERS%20USA%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1981, S/N 47054
- [N817DD](https://openairdocs.org/aircraft/N817DD): [Guardian Helicopters Inc](https://openairdocs.org/faa-owner/GUARDIAN%20HELICOPTERS%20INC), [Fillmore, CA](https://openairdocs.org/faa-place/CA/Fillmore), built 1986, S/N 7057
- [N880SL](https://openairdocs.org/aircraft/N880SL): [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village), built 1988, S/N 7130
- [N945ME](https://openairdocs.org/aircraft/N945ME): [Rotorcraft Support Inc](https://openairdocs.org/faa-owner/ROTORCRAFT%20SUPPORT%20INC), [Fillmore, CA](https://openairdocs.org/faa-place/CA/Fillmore), built 1991, S/N 7235

## NTSB investigations (34)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN25LA163](https://openairdocs.org/ntsb/CEN25LA163), Apr 25, 2025: Messerschmitt-Bolkow-Blohm BK 117 (N880SL), Hartford, IL, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the initial climb at night from a confined area landing zone, that resulted in an impact with a tree, a loss of control, and a subsequent…
- [NTSB ERA19LA145](https://openairdocs.org/ntsb/ERA19LA145), Mar 30, 2019: Bell 222 (N222ML), Montgomery, NY, substantial damage. Probable cause: A partial loss of engine power, as reported by the pilot, during takeoff for reasons that could not be determined based on available information.
- [NTSB CEN12CA078](https://openairdocs.org/ntsb/CEN12CA078), Nov 13, 2011: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N330SL), Carbondale, IL, substantial damage. Probable cause: The main rotor blade’s contact with the vertical stabilizer during the engine shutdown in strong, gusty wind conditions.
- [NTSB WPR10LA200](https://openairdocs.org/ntsb/WPR10LA200), Apr 9, 2010: Bell 222U (N222UT), Santa Maria, CA, substantial damage. Probable cause: The pilot's inadequate preflight inspection to ensure that all tie-down straps were removed prior to flight. Contributing to the accident was the pilot's improper management of sleep opportunities…
- [NTSB CEN09CA218](https://openairdocs.org/ntsb/CEN09CA218), Mar 13, 2009: Bell 222 (N222LL), Milliken, CO, substantial damage. Probable cause: The separation of the left engine cowling for undetermined reasons.
- [NTSB DEN08CA035](https://openairdocs.org/ntsb/DEN08CA035), Nov 28, 2007: Bell 222 UT (N222LF), Casper, WY, substantial damage. Probable cause: High winds forcing the helicopter's main rotor blade to strike the helicopter vertical stabilizer and tail boom during engine start, causing substantial damage.
- [NTSB DFW06LA072](https://openairdocs.org/ntsb/DFW06LA072), Feb 19, 2006: Bell 222B (N306CH), Gulf of Mexico (Gulf of Mexico), destroyed. Probable cause: The flight crew's failure to maintain control of the helicopter, and the crew's diverted attention to secondary tasks while preparing for the night landing. A contributing factor was the dark night…
- [NTSB NYC05LA145](https://openairdocs.org/ntsb/NYC05LA145), Sep 22, 2005: Eurocopter Deutschland BK-117-B2 (N117MK), Columbus, OH, substantial damage. Probable cause: The pilot's failure to maintain aircraft control during the landing flare, which resulted in a hard landing. A factor associated with this accident was a tailwind.
- [NTSB ATL05FA144](https://openairdocs.org/ntsb/ATL05FA144), Aug 14, 2005: MBB BK 117 B-1 (N117US), Jacksonville, FL, substantial damage. Probable cause: The pilot in-flight decision to land in a unsuitable landing area during a precautionary landing. A factor was the loss of power on the number two engine.
- [NTSB LAX04CA332](https://openairdocs.org/ntsb/LAX04CA332), Sep 28, 2004: Bell 222U (N222UT), Santa Rosa, CA, substantial damage. Probable cause: the pilot-in-command's (examinee's) incorrect collective control response to a simulated power loss of the number 1 engine.
- [NTSB ATL04LA055](https://openairdocs.org/ntsb/ATL04LA055), Dec 17, 2003: MBB BK117A3 (N911WJ), Okeechobee, FL, substantial damage. Probable cause: The pilot continued visual flight into instrument meteorological conditions and experienced spatial disorientation, loss of aircraft control, and in-flight collision with trees and terrain. Factors…
- [NTSB LAX03IA252](https://openairdocs.org/ntsb/LAX03IA252), Jul 30, 2003: Bell 222 (N29KH), Salinas, CA, incident, no damage. Probable cause: The fatigue failure (fracture) of the right forward transmission lift link during cruise flight, which resulted in a severe vibration and an emergency landing.
- [NTSB LAX02FA276](https://openairdocs.org/ntsb/LAX02FA276), Sep 7, 2002: Bell 222U (N417MA), Nipton, CA, destroyed, 3 fatal. Probable cause: The main rotor blade separation while maneuvering for unknown reasons. A factor was the dark night condition.
- [NTSB IAD02FA026](https://openairdocs.org/ntsb/IAD02FA026), Jan 18, 2002: MBB BK-117 A-3 (N626MB), Cleveland, OH, destroyed, 2 fatal. Probable cause: pilot's failure to maintain directional control of the helicopter while hovering, which resulted in its collision with a building. Factors were the confined area, tail wind, and wind gusts.
- [NTSB DEN01LA084](https://openairdocs.org/ntsb/DEN01LA084), Apr 6, 2001: Bell 222UT (N222LF), Alcova, WY, substantial damage. Probable cause: the pilot's failure to maintain tail rotor clearance during a right pedal turn while hovering.
- [NTSB NYC00FA127](https://openairdocs.org/ntsb/NYC00FA127), May 7, 2000: Eurocopter BK-117-A4 (N911NC), Cincinnati, OH, substantial damage. Probable cause: the pilot's misjudgment of his closure rate, while turning to land on the rooftop helipad, which resulted in a collision with the building. Factors in the accident were the tailwind and the stuck…
- [NTSB ATL00FA048](https://openairdocs.org/ntsb/ATL00FA048), Apr 25, 2000: Eurocopter BK117-A3 (N428MB), St. Petersburg, FL, destroyed, 3 fatal. Probable cause: The pilot's failure to maintain clearance that resulted in the in-flight collision with a tower.
- [NTSB CHI00FA111](https://openairdocs.org/ntsb/CHI00FA111), Apr 14, 2000: Bell 222U (N225LL), St. Paul, MN, substantial damage. Probable cause: The loss of clamp-up force between the transmission case and the pylon mounted actuator support assembly which resulted in fatigue failure of the threaded studs and dowel pins, the failure of the…
- [NTSB MIA99LA129](https://openairdocs.org/ntsb/MIA99LA129), Apr 11, 1999: Mbb BK 117 A-3 (N163BK), Sarasota, FL, substantial damage. Probable cause: The pilot-in-command's failure to maintain a visual lookout while maneuvering in a hover resulting in the tail rotor colliding with a building.
- [NTSB LAX95LA019](https://openairdocs.org/ntsb/LAX95LA019), Oct 24, 1994: Eurocopter AS-350D (N5771L), Kaupo, HI, substantial damage. Probable cause: a total loss of engine power by the corrosion fatigue failure of the compressor impeller due to the failure of company maintenance personnel to perform the prescribed daily compressor wash procedures…
- [NTSB LAX94FA317](https://openairdocs.org/ntsb/LAX94FA317), Aug 11, 1994: Aerospatiale AS350-D (N889AT), Kukuihaele, HI, substantial damage. Probable cause: a fatigue crack in the 'T' fitting on the power turbine governor pneumatic accumulator. A factor was the rough, rock-covered landing area.
- [NTSB LAX94IA145](https://openairdocs.org/ntsb/LAX94IA145), Feb 28, 1994: Aerospatiale AS-350D (N5771L), Huelo, HI, incident, minor damage. Probable cause: THE OPERATOR MAINTENANCE PERSONNEL'S INADEQUATE 100-HOUR INSPECTION. THE LOOSE FUEL CONTROL LINE FITTING, THE TREE STUMP, AND THE UNSUITABLE TERRAIN WERE FACTORS IN THIS ACCIDENT.
- [NTSB LAX92FA025](https://openairdocs.org/ntsb/LAX92FA025), Oct 26, 1991: Aerospatiale AS350B (N9001S), Scottsdale, AZ, substantial damage. Probable cause: AN UNDETERMINED MALFUNCTION OF THE HYDRAULIC SYSTEM IN WHICH THE SYSTEM WAS LOCKED, PREVENTING THE MOVEMENT OF THE FLIGHT CONTROLS, AND LOSS OF DIRECTIONAL CONTROL.
- [NTSB ATL89FA116](https://openairdocs.org/ntsb/ATL89FA116), Mar 27, 1989: MBB BK-117-A-3 (N39187), Coinjock, NC, destroyed, 2 fatal. Probable cause: FAILURE OF THE CELLULAR COMPANY TO PROPERLY INSTALL AN OPERATIONAL LIGHTING SYSTEM ON A NEWLY CONSTRUCTED TRANSMISSION TOWER. DARKNESS AND THE COMPANY'S FAILURE TO NOTIFY FLIGHT SERVICE OF THE…
- [NTSB NYC88IA186](https://openairdocs.org/ntsb/NYC88IA186), Jul 12, 1988: MBB BK-117 (N135CP), Manhattan, NY, incident, minor damage. Probable cause: FAILURE OF THE MAIN ROTOR BLADE APPEARS TO BE THE RESULT OF A STATIC DOWNWARD BENDING OVERSTRESS, CAUSED BY ANOTHER HELICOPTER HOVERING OVER OR VERY CLOSE TO THE MAIN ROTOR BLADE AS IT WAS IN A…
- [NTSB MIA87IA141](https://openairdocs.org/ntsb/MIA87IA141), Apr 20, 1987: Bell 222U (N222HX), Oxford, MS, incident, minor damage
- [NTSB NYC86FA183](https://openairdocs.org/ntsb/NYC86FA183), Jul 17, 1986: Bell B-222A (N404WW), Staten Island, NY, substantial damage
- [NTSB LAX86LA098](https://openairdocs.org/ntsb/LAX86LA098), Jan 26, 1986: Bell 222UT (N3177G), La Habra, CA, substantial damage
- [NTSB FTW86MA018](https://openairdocs.org/ntsb/FTW86MA018), Oct 24, 1985: Bell 222UT (N3194M), East Cameron, destroyed, 2 fatal
- [NTSB ATL85LA017](https://openairdocs.org/ntsb/ATL85LA017), Oct 20, 1984: Bell 222 (N38929), Pascagoula, MS, substantial damage
- [NTSB FTW84LA090](https://openairdocs.org/ntsb/FTW84LA090), Dec 10, 1983: Bell 222U (N3177G), Albuquerque, NM, substantial damage
- [NTSB FTW82DA285](https://openairdocs.org/ntsb/FTW82DA285), Jul 19, 1982: Aerospatiale AS-350D (N5771L), Gulf Of Mexico, substantial damage
- [NTSB FTW81IA067](https://openairdocs.org/ntsb/FTW81IA067), Apr 9, 1981: Bell 222 (N38929), Lake Charles, LA, incident, no damage
- [NTSB FTW78FPD07](https://openairdocs.org/ntsb/FTW78FPD07), Dec 1, 1977: Bell 222 (N9992K), Mansfield, TX, substantial damage

## FAA accident and incident reports (72, newest 50)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20250424003989A](https://openairdocs.org/incident/20250424003989A), Apr 24, 2025: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N880SL), Hartford, IL, Destroyed. The PIC accepted a public relations event flight and completed the certificate holder's risk analysis form. The PIC did not document on the risk assessment…
- [Accident 20190330002179A](https://openairdocs.org/incident/20190330002179A), Mar 30, 2019: Bell 222 (N222ML), Montgomery, NY, Substantial damage. On March 30, 2019 at approximately 1230 eastern daylight time the subject aircraft, was substantially damaged during a forced landing shortly after takeoff…
- [Incident 20190327002059I](https://openairdocs.org/incident/20190327002059I), Mar 27, 2019: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N636MC), Manheim, NY, No damage. 03/27/2019 Approximately 20004 EDT N636MC BC117B2 departed rome NY hospital with one pilot and 4 passengers on board. Shortly after take off the aircraft…
- [Incident 20180125001629I](https://openairdocs.org/incident/20180125001629I), Jan 25, 2018: Messerschmitt-Bolkow-Blohm BK 117 A-4 (N485UH), Borden, IN, Minor damage. On January 25, 2018, about 1920 eastern standard time (EST) (0020Z), a Messerschmitt-Bolkow-Blohm bk 117, N485UH, with three crewmembers onboard, struck tree…
- [Incident 20150703011199I](https://openairdocs.org/incident/20150703011199I), Jul 3, 2015: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N880SL), Cahokia, IL, No damage. On July 3, 2015, at approximately 1615 central daylight time aircraft N880SL, a Messerschmitt bk 117 B-2, owned and operated by air methods corporation (doing…
- [Incident 20130624022449I](https://openairdocs.org/incident/20130624022449I), Jun 24, 2013: Bell 222UT (N419MA), Yermo, CA, Minor damage. On 06/25/2013 at approximately 1040 hrs local time near Barstow, California, Bell helicopter, BHT-222UT, N419MA, operating under night vision goggles (NVG),…
- [Incident 20121120026499I](https://openairdocs.org/incident/20121120026499I), Nov 20, 2012: Bell 222U (N222RX), Santa Maria, CA, Minor damage. *Note - date hired block unavailable. Date hired is 09/20/2010*N222RX, a Bell 222-UT, s/n 47561, had a rotor blade end cap top strike with an unknown object…
- [Incident 20111202028289I](https://openairdocs.org/incident/20111202028289I), Dec 2, 2011: Bell 222U (N431MA), Baker, CA, Minor damage. N431MA and another EMS helicopter were dispatched to an automobile accident scene at night near interstate 15 and zzyzx road, about 6 miles south of Baker…
- [Accident 20111113027979A](https://openairdocs.org/incident/20111113027979A), Nov 13, 2011: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N330SL), Carbondale, IL, Substantial damage. The helicopter landed on the rooftop heliport of the hospital to offload a patient. During coast down of the main and tail rotor system after the engines had…
- [Incident 20111001023839I](https://openairdocs.org/incident/20111001023839I), Oct 1, 2011: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N122SL), St. Louis, MO, Minor damage. Pilot stated that she was repositioning the aircraft from arch base, located at [privacy data omitted]., in St. Louis, MO. Pilot stated she landed to pick up…
- [Incident 20100706038189I](https://openairdocs.org/incident/20100706038189I), Jul 6, 2010: Messerschmi BK 117 B-1 (N155SC), Beatrice, NE, No damage. On Tuesday July 6, 2010, at approximately 08:00 CDT, N155SC, MBB-BK117-B1, operated by air methods corporation was enroute at 2,500 feet, from bryan lgh west…
- [Incident 20100429033059I](https://openairdocs.org/incident/20100429033059I), Apr 29, 2010: Messerschmi BK 117 B-2 (N122SL), Granite City, IL, Minor damage. Helicopter was sitting on ground running at full power after uneventful landing. Base pilot in right seat had allowed new hire pilot in left seat to fly and…
- [Incident 20100423032379I](https://openairdocs.org/incident/20100423032379I), Apr 23, 2010: Bell 222U (N220LN), Laughlin, NV, Minor damage. PIC safely landed to one of the four helipads located at the multi purpose police/fire department heliport in Laughlin, Nevada. PIC was asked if he could…
- [Accident 20100409032079A](https://openairdocs.org/incident/20100409032079A), Apr 9, 2010: Bell 222U (N222UT), Madera, CA, Substantial damage. Pilot failed to remove tail rotor sock before takeoff and damaged tail rotor blade. He made three flights before discovering the damage tail rotor blade. The…
- [Incident 20090430007019I](https://openairdocs.org/incident/20090430007019I), Apr 30, 2009: Bell 222U (N911ED), Palm Springs, CA, Destroyed. (-23) While the pilot was (ground) servicing the oxygen system on the helicopter, the cabin oxygen servicing connector broke free, then a fire started in the…
- [Accident 20090313002369A](https://openairdocs.org/incident/20090313002369A), Mar 13, 2009: Bell 222 (N222LL), Milliken, CO, Substantial damage. (-23) Aircraft departed apa, 30 minutes into flight while over the town of Milliken, CO the left engine cowling opened striking both main rotor blades causing…
- [Incident 20081223856939I](https://openairdocs.org/incident/20081223856939I), Dec 23, 2008: Bolkms BK117B1 (N601EH), Orlando, FL, Minor damage. #2 Engine was not operating properly and was not able to match the torque with #1 engine, helicopter landed and smoke came from #2 right engine with flames out…
- [Incident 20081201853919I](https://openairdocs.org/incident/20081201853919I), Dec 1, 2008: Bell 222U (N402MA), Victorville, CA, Minor damage. (-23) Pilot statement read as follows: while on takeoff for fuel burn flight to get the aircraft down to mission weight, pilot side door started rattling,…
- [Accident 20071127831669A](https://openairdocs.org/incident/20071127831669A), Nov 27, 2007: Bell 222UT (N222LF), Casper, WY, Substantial damage. (-23) Gust of wind during start caused main rotor blade to inflict damage to the tail boom, tail rotor drive shaft, and left horizontal fin.
- [Incident 20071021830859I](https://openairdocs.org/incident/20071021830859I), Oct 21, 2007: Bolkms BK117A3 (N112LL), Kokomo, IN, Minor damage. (-23) After landing in order to upload fuel from a fueling area on the okk ramp, the aircraft had to maneuver in gusty wind conditions up to 28 knots. After…
- [Incident 20070410015429I](https://openairdocs.org/incident/20070410015429I), Apr 10, 2007: Bolkms BK117A4 (N401DC), Norfolk, VA, Minor damage. (-23) On April 10, 2007, at approximately 0027 local, a BK-117 helicopter, N401DC, a public use helicopter (dare county med flight) that was on a patient…
- [Incident 20070221003319I](https://openairdocs.org/incident/20070221003319I), Feb 21, 2007: Bolkms BK117A4 (N485UH), Carteret County, NC, Minor damage. (-23) Aircraft departed Carteret County hospital on 2045 local time. Pilot encountered shallow layer of scattered/broken fog at approximately 300'. Soon…
- [Incident 20060827018129I](https://openairdocs.org/incident/20060827018129I), Aug 27, 2006: Bolkms BK117B1 (N10UM), Ashland, MO, Minor damage. (-23) N10UM, an air ambulance helicopter had made a night off-airport landing at 0300 am to pick up a patient. On departure, the pilot climbed through 2 unseen…
- [Incident 20060329003969I](https://openairdocs.org/incident/20060329003969I), Mar 29, 2006: Bell 222U (N622F), Honolulu, HI. (-23) Pilot reported that after dropping off a medical patient at the Honolulu kaiser moanalua hospital the aircraft and crew was to return to home base at…
- [Accident 20060219001399A](https://openairdocs.org/incident/20060219001399A), Feb 19, 2006: Bell 222B (N306CH), Galveston, TX, Destroyed. (-23) Helicopter N306CH a Bell 222-B departed houston hobby airport at 0100 local, VFR, enroute to an oil tanker moored in the sabine lightering area…
- [Incident 20051116030169I](https://openairdocs.org/incident/20051116030169I), Nov 16, 2005: Bolkms BK117B1 (N912TG), Ocala, FL, Minor damage. (-23) After pilot landed, he was instructed by the ground crew to hover to a different location for patient pickup. Neither the ground personnel or pilot saw…
- [Accident 20050922025939A](https://openairdocs.org/incident/20050922025939A), Sep 22, 2005: Bolkms BK117B2 (N117MK), Columbus, OH, Substantial damage. (-23) The helicopter made a hard landing. A witness reported "I noticed a med flight helicopter approaching the airport from the southeast. The bk 117 started…
- [Accident 20050814021129A](https://openairdocs.org/incident/20050814021129A), Aug 14, 2005: Bolkms BK117B1 (N117US), Jacksonville, FL, Substantial damage. (-23) Aircraft departed roof top pad at shands hospital Jacksonville FL. Shortly after takeoff the pilot heard a loud noise and lost power in number 1 engine.…
- [Accident 20040928026719A](https://openairdocs.org/incident/20040928026719A), Sep 28, 2004: Bell 222U (N222UT), Santa Rosa, CA, Substantial damage. (-23) Calstar check airman, paul likens was conducting a 135.293 & 135.297 check, david harvey was the airman being checked. Paul likens rolled off the #1…
- [Incident 20040722024379I](https://openairdocs.org/incident/20040722024379I), Jul 22, 2004: Bolkms BK117B1 (N117US), St. Augustine, FL, Minor damage. (-23) While responding to an automobile accident at the intersection of roberts road and sr 13 near saint Augustine, FL, air ambulance, N117US, a BK-117…
- [Incident 20040418007489I](https://openairdocs.org/incident/20040418007489I), Apr 18, 2004: Bolkms BK117B1 (N330SL), St Louis, MO, Minor damage. (-23) Pilot (lassner) landed short of the heli-pad (MU05) and the tail rotor struck a chain link fence. Two of the main rotor blades struck the top wire strike…
- [Accident 20031216036839A](https://openairdocs.org/incident/20031216036839A), Dec 16, 2003: Bolkms BK117A3 (N911WJ), Okeechobee, FL, Substantial damage. (-23) On December 16, 2003, at 1908 eastern standard time, a mbb, bk 117A3, N911WJ, operated by cj systems aviation group inc., as a 14 CFR part 91 positioning…
- [Incident 20030731021929I](https://openairdocs.org/incident/20030731021929I), Jul 31, 2003: Bell 222 (N29KH), Morgan Hill, CA. (-23) While in cruise flight right hand lift link failed. Pilot made a precautionary landing, no damage or injuries. Bell helicopter notified, and Bell…
- [Incident 20030717019169I](https://openairdocs.org/incident/20030717019169I), Jul 17, 2003: Bell 222U (N219HM), Peoria, IL, No damage. (-23) In cruise, master caution illuminated with corresponding hydraulic system warning light. #1 hydraulic system showed no pressure. Pilot in command…
- [Incident 20030105005899I](https://openairdocs.org/incident/20030105005899I), Jan 5, 2003: Bell 222U (N222MN), Rapid City, SD, Minor damage. (-23) Bht 222, N222MN landed on the ramp at rap/jetstream aviation. Line personnel directed him to move further down the ramp to the east. While following…
- [Accident 20020907023209A](https://openairdocs.org/incident/20020907023209A), Sep 7, 2002: Bell 222U (N417MA), Nipton, NV, Destroyed, 3 fatal. (-23) On 9-7-2002, at approximately 04:01 a.m., mercy air ambulance N417MA departed the pahrump, Nevada hospital enroute to a traffic accident located on I-15…
- [Incident 20020131006789I](https://openairdocs.org/incident/20020131006789I), Jan 31, 2002: Bell 222U (N587MG), Hermosa, SD. (-23) This helicopter was participating in practice disaster drill with the national park service mt rushmore and pennington county sheriffs department. At…
- [Accident 20020118001289A](https://openairdocs.org/incident/20020118001289A), Jan 18, 2002: Bolkms BK117A3 (N626MB), Cleveland, OH, Destroyed, 2 fatal. (-23) Preliminary investigation indicates aircraft lifted off 12th story helipad at 0024. A/c started a right turn in gusty wing conditons and struck the…
- [Accident 20010406006849A](https://openairdocs.org/incident/20010406006849A), Apr 6, 2001: Bell 222UT (N222LF), Casper, WY, No damage. (-23) While conducting an off airport landing to transport a trauma patient, the helicopter was landing in a vacant turnout. As the helicopter came in for a…
- [Incident 20000611034639I](https://openairdocs.org/incident/20000611034639I), Jun 11, 2000: Bolkms BK117B1 (N601EH), Ashboro, NC, Minor damage. (-23)After landing on hwy 220 near Ashboro, NC, at an automoblie accident site, the helicopter was struck by an automobile. The aircraft was still running with…
- [Accident 20000425009929A](https://openairdocs.org/incident/20000425009929A), Apr 25, 2000: Bolkms BK117A3 (N428MB), St Petersburg, FL, No damage, 3 fatal. (-23) On April 25, 2000, at 1215 local time, a messerschmitt-boelkow-glohn BK117-A3, serial number 7088, N428MB, registered to rocky mountain holdings LLC,…
- [Accident 20000414006049A](https://openairdocs.org/incident/20000414006049A), Apr 14, 2000: Bell 222U (N225LL), St Paul, MN, No damage. (-23) Pilot cleared to land at st. Paul airport when he experienced complete loss of control of the main rotor. After several out of control maneuvers the…
- [Accident 19990411003549A](https://openairdocs.org/incident/19990411003549A), Apr 11, 1999: Bolkms BK117A3 (N163BK), Sarasota-Brand, FL, Substantial damage. Rocky mountain air air ambulance (a bokow BK-117A-3 helicopter) tail rudder struck a building on take-off, and the acft crashed, no injuries were reported to…
- [Incident 19980616023109I](https://openairdocs.org/incident/19980616023109I), Jun 16, 1998: Bolkms BK117B2 (N945ME), Greenville, PA, Minor damage. Loud bang and shudder enroute. Saw sparks at rotor. Returned. Engine cowling seperated. Cowl not fastened.
- [Incident 19970819028159I](https://openairdocs.org/incident/19970819028159I), Aug 19, 1997: Bolkms BK117A3 (N527MB), Florence, SC, Minor damage. Southwest of airport bird shattered windscreen. Went thru and shattered aft greenhouse. Found only bird feathers.
- [Incident 19950628021709I](https://openairdocs.org/incident/19950628021709I), Jun 28, 1995: Bolkms BK117B2 (N911TL), Modesto, CA, Minor damage. Transmission access door separated hit main rotor. Landed ok. Mechanic had failed to latch door after maintenance.
- [Incident 19950326013199I](https://openairdocs.org/incident/19950326013199I), Mar 26, 1995: Bolkms BK117B2 (N136AE), Casa Grande, AZ. During takeoff hover unable mate torque needles. NR2 engine unable to beep up. Landed. Replaced airflow modulator.
- [Accident 19941024035609A](https://openairdocs.org/incident/19941024035609A), Oct 24, 1994: Snias AS350D (N5771L), Kaupo, HI, Substantial damage. Explosion power loss autorated into trees. Impeller blades failed in fatigue.
- [Accident 19940811021209A](https://openairdocs.org/incident/19940811021209A), Aug 11, 1994: Snias AS350D (N889AT), Kukuihaele, HI, Substantial damage. Lost rotor RPM en route. Tried slope landing. Rolled over on rock ledge. Power turbine governor t fitting leaking.
- [Incident 19940422015919I](https://openairdocs.org/incident/19940422015919I), Apr 22, 1994: Bolkms BK117A3 (N532KH), Sayre, PA, Minor damage. Cowling on left side of NR1 engine had come loose. Departed aircraft. Cowling not properly secured.

All 72: https://openairdocs.org/engine/lycoming-lts-101-series/incidents.md

## Service difficulty reports (135, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR QMLA2024030520030](https://openairdocs.org/sdr/QMLA2024030520030), Mar 5, 2024: FRAME. CRACKED. DURING SCHEDULED INSPECTION FOUND CRACK IN 11L FRAME IN TAIL BOOM AT THE 8 O'CLOCK POSITION, 31MM LONG.
- [SDR QMLA2017091817094](https://openairdocs.org/sdr/QMLA2017091817094), Sep 18, 2017: ENGINE. MAKING METAL. DURING CRUISE FLIGHT, THE NR 2 ENGINE CHIP LIGHT ILLUMINATED ALONG WITH MASTER CAUTION LIGHT. ATTEMPTED TO BURN CHIP IAW RFM AND CHIP DID NOT BURN. ABORTED FLIG
- [SDR QMLA2016090416102](https://openairdocs.org/sdr/QMLA2016090416102), Sep 4, 2016: WARNING LIGHT. INTERMITTENT. NR 2 ENGINE FIRE LIGHT ILLUMINATED INTERMITTENTLY.
- [SDR QMLA2016052016052](https://openairdocs.org/sdr/QMLA2016052016052), May 20, 2016: CHIP DETECTOR. CONTAMINATED. NUMBER 2 ENG CHIP LIGHT IN CRUISE, WOULD NOT EXTINGUISH WITH 3 ZAPS. SHUTDOWN NR 2 ENG IAW ACFT EMER PROCEDURE CHECKLIST. UPON ARRIVAL, INSPECTED THE CHIP DETEC
- [SDR QMLA201602216009](https://openairdocs.org/sdr/QMLA201602216009), Feb 22, 2016: DRAIN VALVE. FAILED. AFTER TAKEOFF, NURSE IN THE BACK THOUGHT SHE SMELLED FUEL FUMES. LANDED AT NEAREST AVAILABLE SITE, AIRPORT, WITHOUT FURTHER INCIDENT..
- [SDR QMLA2015070315057](https://openairdocs.org/sdr/QMLA2015070315057), Jul 3, 2015: FIRE DETECTOR. FAULTY. PILOT NOTED ENG FIRE INDICATION, FOUND FALSE INDICATION DUE TO FAULTY FIRE DETECTOR. PILOT ALSO REPORTED FIRING NR 1 FIRE BOTTLE, INSPECTION REVEALED THAT THE F
- [SDR 3D9A2015062400005](https://openairdocs.org/sdr/3D9A2015062400005), Jun 24, 2015: CONNECTOR. DIRTY. NUMBER 1 ENG OIL PRESSURE GAUGE WENT TO 0 BAR INDICATION, WITH NO CORRESPONDING WARNING LIGHT. RETURNED TO BASE. CLEANED PRESSURE TRANSDUCER CONNECTOR. OPERATIO
- [SDR QMLA2014120314136](https://openairdocs.org/sdr/QMLA2014120314136), Dec 3, 2014: STRUCTURE. CRACKED. DURING REPLACEMENT OF MAIN TRANSMISSION STAY ASSEMBLY PN 117-11182-03 FOUND 5 CRACKS EMANATING FROM RIVETS NEAR THE AREA OF THE STAY ASSEMBLY.
- [SDR QMLA201403214030](https://openairdocs.org/sdr/QMLA201403214030), Mar 25, 2014: DRAIN. STUCK. FUEL ODOR WHEN CABIN HEAT TURNED ON.
- [SDR QMLA2014030514023](https://openairdocs.org/sdr/QMLA2014030514023), Mar 5, 2014: FLOOR PANEL. FAILED. UPON INSPECTION DISCOVERED PILOT'S THRUST REVERSER PEDAL BELL CRANK ASSEMBLY SEPARATED FROM THE FLOOR PANEL IN THE AREA OF THE FWD ATTACH BOLTS DUE TO FATIGUE O
- [SDR QMLA2014030114021](https://openairdocs.org/sdr/QMLA2014030114021), Mar 1, 2014: UNKNOWN. ODOR. STRONG FUEL ODOR IN CABIN AREA DURING FLIGHT. AFTER INVESTIGATION IT WAS DISCOVERED THAT FUEL REMNANTS WAS INSIDE THE AUXILIARY FUEL TANK, MAIN TANK VENT.
- [SDR QMLA2014011014004](https://openairdocs.org/sdr/QMLA2014011014004), Jan 15, 2014: FRAME. CRACKED. TAIL CONE LT OUTER FRAME CRACKED.
- [SDR QMLA2013073013108](https://openairdocs.org/sdr/QMLA2013073013108), Jul 30, 2013: WIRE. FRAYED. PILOT REPORTED HIGH OIL TEMP WITH CONTINOUS RISING ON NR 1 ENGINE. MADE A PRECAUTIONARY LANDING. ON APPROACH NOTICED THE OIL PRESSURE WAS ALSO HIGH ON NR 1 ENGI
- [SDR JBZA20121011001](https://openairdocs.org/sdr/JBZA20121011001), Oct 10, 2012: TRANSMISSION. CRACKED. FOUND A CRACK AT THE FWD LUG OF THE TRANSMISSION TOP CASE. THIS CRACK IS ON ONE OF THE FOUR TRANSMISSION LUGS. ACFT HAS BEEN REMOVED FROM SERVICE. OPEN.
- [SDR QMLA2012090612146](https://openairdocs.org/sdr/QMLA2012090612146), Sep 6, 2012: SKIN. CRACKED. DURING AIRWORTHINESS CHECK, A CRACK IN A PRE-EXISTING SKIN REPAIR LOCATED ON THE TOP DECK OF THE HELICOPTER BETWEEN THE SYS 1 AND 2 HYD FILTER MANIFOLDS AT APPR
- [SDR 2A6R2012062929101](https://openairdocs.org/sdr/2A6R2012062929101), Jun 29, 2012: SHAFT. SHEARED. AFTER LANDING FROM A HOVER, WHILE PERFORMING MAIN ROTOR TRACK AND BALANCE, THE PILOT REPORTED NR 2 ENGINE OIL TEMPERATURE WAS CLIMBING TO YELLOW ZONE. MX INVEST
- [SDR QMLA2012031512029](https://openairdocs.org/sdr/QMLA2012031512029), Mar 15, 2012: SHAFT. SHEARED. DURING CRUISE FLIGHT, NR 2 ENGINE OIL TEMPERATURE JUMPED FROM 80 DEGREES C TO OVER 120 DEGREES C. THE FLIGHT WAS ABORTED AND RETURNED TO BASE USING MINIMUM POWE
- [SDR QMLA2012011012006](https://openairdocs.org/sdr/QMLA2012011012006), Jan 10, 2012: BEARING. WORN. DURING TROUBLESHOOTING OF NR 2 ENGINE OVERSPEED, FOUND ENGINE POWER TURBINE GOVERNOR FAILED DUE TO SHAFT BEARING WORN COMPLETELY OUT.
- [SDR QMLA2011082311088](https://openairdocs.org/sdr/QMLA2011082311088), Aug 23, 2011: FITTING. UNSERVICEABLE. LIFTING, AT ABOUT 70 FT, ACFT SLIGHTLY YAWED & LOST POWER IN NR 1 ENGINE. TORQUE IN NR 2 ENGINE WAS AT MAX & NR 1 NG SURGING. LANDED AT NEARBY AIRFIELD. MX PERF
- [SDR QMLA2011081711087](https://openairdocs.org/sdr/QMLA2011081711087), Aug 17, 2011: FRAME. CRACKED. THE MECHANIC FOUND A CRACK IN THE TAILBOOM AT FRAME 10L, DURING A SCHEDULED INSP.
- [SDR QMLA2011072511082](https://openairdocs.org/sdr/QMLA2011072511082), Jul 25, 2011: DOOR FRAME. CRACKED. INTERMITTENT FLICKERING OF DOOR LIGHT ON CAUTION/ADVISORY PANEL MADE ME INITIATE A VISUAL INSPECTION OF CABIN DOOR FRAMES DUE TO PAST EXPERIENCE WITH CRACKS IN 
- [SDR QMLA2011042511051](https://openairdocs.org/sdr/QMLA2011042511051), Apr 25, 2011: B-NUT. LOOSE. PILOT NOTICED HYD FLUID LEAKING ON GROUND AND LT SIDE OF ACFT. MECHANIC ARRIVED AND SERVICED NR2 HYD SYS. PERFORMED GROUND RUN AND FOUND FLUID SQUIRTING FROM B-
- [SDR UNFR2011040200001](https://openairdocs.org/sdr/UNFR2011040200001), Mar 29, 2011: SWASHPLATE. OUT OF ADJUST. PREFORMING GROUND RUNS AND BALANCING OF M/R BLADES AND ON ADJUSTING OF LINKS FOUND PLAY IN THE SWASHPLATE ASSY. REMOVED SWASHPLATE AND RETURNED TO VENDOR WHERE 
- [SDR QMLDMG1474](https://openairdocs.org/sdr/QMLDMG1474), Dec 7, 2010: FRAME. CRACKED. DURING INSP FOUND THE TAIL CONE "A" FRAME CRACKED AT THE ECS BLEED LINE ATTACHMENT. AWAITING A REPAIR SCHEME FROM MFG.
- [SDR QMLDMG1475](https://openairdocs.org/sdr/QMLDMG1475), Dec 7, 2010: STRUCTURE. CORRODED. DURING INSP FOUND CORROSION ON THE LT INBD, RT INBD AND RT AFT ENGINE DECK.
- [SDR QMLA2010110810074](https://openairdocs.org/sdr/QMLA2010110810074), Nov 8, 2010: SLIDING SLEEVE. DEBONDED. UPON AIRWORTHINESS INSPECTION IN THE MORNING, THE MECHANIC FOUND THAT THE MAIN ROTOR SWASHPLATE SLIDING SLEEVE TEFLON BUSHING HAD TEFLON LINER DEBONDED FROM BUS
- [SDR QMLDMG1471](https://openairdocs.org/sdr/QMLDMG1471), Oct 7, 2010: STRUCTURE. CHAFED. DURING INSPECTION OF THE AIRFRAME, FOUND CHAFING FROM THE TRANSMISSION COWLINGS ON THE LT AND RT SIDES INTO THE LT AND RT SIDES OF THE TRANSMISSION DECK. CONSUL
- [SDR QMLDMG1472](https://openairdocs.org/sdr/QMLDMG1472), Oct 7, 2010: DOUBLER. CRACKED. DURING AN INSPECTION OF THE TAIL CONE AREA FOUND THE AFT DOUBLER FRAME AT STA 6135 CRACKED. CONSULTED MFG AND ARE AWAITING A REPAIR SCHEME.
- [SDR QMLA2010092810065](https://openairdocs.org/sdr/QMLA2010092810065), Sep 28, 2010: ENGINE. MALFUNCTIONED. ON SHORT FINAL FOR LANDING, NR2 ENGINE NP NEEDLE ON TRIPLE TACK STARTED FLUXUATING THEN DROPPED TO 40 PERCENT AND THEN WENT TO 115 PERCENT WITHOUT POWER ADJUSTM
- [SDR QML3MR0241](https://openairdocs.org/sdr/QML3MR0241), Aug 9, 2010: BULKHEAD. CRACKED. DURING OTHER MX 1 CRACK WAS FOUND IN BULKHEAD 222-031-505-001 AT ATTACHMENT POINT OF BEAM SUPPORT PN 222-031-519-103.
- [SDR QML2ML0292](https://openairdocs.org/sdr/QML2ML0292), Aug 5, 2010: SHAFT. CORRODED. MAIN ROTOR SHAFT ASSY REMOVED FOR OTHER MX/INSP AND FRETTING WAS IDENTIFIED ON A JOURNAL FOR A SEAL RING.
- [SDR QML3MR0242](https://openairdocs.org/sdr/QML3MR0242), Aug 5, 2010: SKIN. PUNCTURED. DURING INSP, FOUND PUNCTURE/CRACK OF UPPER WING SKIN APPROX 1" IN LENGTH CAUSED BE IMPACT FROM ABOVE.
- [SDR QML3MR0243](https://openairdocs.org/sdr/QML3MR0243), Aug 5, 2010: SKIN. DELAMINATED. DURING INSP, FOUND DELAMINATION/PUNCTURE OF RT UPPER WING SKIN IN AREA OF A PREVIOUS REPAIR. DELAMINATION MEASURES APPROX 16" X 7". PUNCTURE IS SCREW HEAD USED 
- [SDR QML3MR0244](https://openairdocs.org/sdr/QML3MR0244), Aug 5, 2010: BLADE. DEBONDED. DURING INSP ROTOR BLADE FOUND APPROX 2" DEBONDING OF MIDDLE TRIM TAB LOWER SIDE AT BS 90.1-92.1 AND 1.25" TEAR IN LOWER BLADE SKIN AT BS 101.4
- [SDR QML2ML0291](https://openairdocs.org/sdr/QML2ML0291), Aug 4, 2010: BUSHING. DAMAGED. DAMAGE FOUND ON THE MAIN ROTOR HEAD ASSY INNER SLEEVES AFTER THE BLADES HAD BEEN REMOVED FOR OTHER MX. THE PRIMARY BLADE BUSHING IN THE MAIN ROTOR BLADE CAUSED 
- [SDR QMLA2001070610029](https://openairdocs.org/sdr/QMLA2001070610029), Jul 6, 2010: GYRO. FAILED. 5 MIN AFTER TAKEOFF, BASE CALLED AND SAID OUTERLINK WAS NOT TRACKING . THEN 15 MIN AFTER THE CALL FROM BASE, IT WAS NOTED, A SMELL OF SMOKE IN THE COCKPIT. STAN
- [SDR QMLDMG1345](https://openairdocs.org/sdr/QMLDMG1345), Jun 15, 2010: SPAR. CHAFED. WHILE INSPECTING THE AIRFRAME FOUND THE MAIN SPAR OF THE TAIL BOOM CHAFED BY THE VERTICAL TAIL FAIRING. HAD TO SEND THE TAIL BOOM FOR REPAIR.
- [SDR QMLA2010051810018](https://openairdocs.org/sdr/QMLA2010051810018), May 18, 2010: BUSHING. WORN. BUSHING PN 105-13241.02 FOUND TO BE PRESSED FROM THE OUTSIDE TOWARD THE INSIDE INTO FORK LINK ASSY PN 105-13241, SN 3181, INSTEAD OF FROM THE INSIDE TOWARD THE 
- [SDR QMLR MD270](https://openairdocs.org/sdr/QMLR%20MD270), May 3, 2010: STRINGER. CRACKED. FRAME 2L CRACKED AT STRINGER CUTOUT.
- [SDR QMLR MD270 1](https://openairdocs.org/sdr/QMLR%20MD270%201), May 3, 2010: SUPPORT ANGLE. CRACKED. SUPPORT ANGLE CRACKED AT TOP OF 10L FRAME.
- [SDR QMLRMD2702](https://openairdocs.org/sdr/QMLRMD2702), May 3, 2010: SPAR. CRACKED. AFT SPAR CRACKED AT A CAMLOC FASTENER.
- [SDR QMLR MD270 3](https://openairdocs.org/sdr/QMLR%20MD270%203), May 3, 2010: FRAME. CRACKED. FRAME X6166 HAS NUMEROUS CRACKS.
- [SDR QMLA2010042710010](https://openairdocs.org/sdr/QMLA2010042710010), Apr 27, 2010: FRAME. CRACKED. NUMEROUS CRACKS IN TAILBOOM STRUCTURE REQUIING ENGINEERED REPAIR. PN 117-22122-15 FRAME 2L CRACKED AT OMEGA STRINGER CUTOUT. PN 105-30251-44 SUPPORT ANGLE CRACK
- [SDR QMLR MB270](https://openairdocs.org/sdr/QMLR%20MB270), Apr 26, 2010: DOOR FRAME. CRACKED. APPROX 2 INCH CRACK ON UPPER EXTERIOR LT DOOR BOXFRAME STRUCTURE WITH LOCALIZED DISTORTION OF SKIN. RT UPPER EXTERIOR DOOR BOX FRAME HAS LOCALIZED DISTORTION.
- [SDR QMLR3253U](https://openairdocs.org/sdr/QMLR3253U), Mar 26, 2010: BULKHEAD. CRACKED. DURING OTHER MX, 2 CRACKS WERE FOUND IN BULKHEAD, PN 222-031-505-001 AT ATTACHMENT POINT OF NODAL BEAM SUPPORT, PN 222-031-519-103.
- [SDR JBZA2010F00088](https://openairdocs.org/sdr/JBZA2010F00088), Mar 19, 2010: BLADE. CRACKED. DURING AD 2005-04-09A VISUAL INSP COMPLIANCE, FOUND APPROX .2500 INCH ONE LEG BY .7500 INCH SECOND LEG CRACK IN THE DESIGNATED INSP AREA OF THE TARGET TAIL ROTO
- [SDR QMLA2010031510006](https://openairdocs.org/sdr/QMLA2010031510006), Mar 15, 2010: ENGINE. OUT OF RIG. UPON DEPARTURE FROM ROOFTOP PAD, NR 1 ENGINE TORQUE EXCEEDED 86.4 PERCENT AND NR 2 ENGINE TORQUE WAS NEAR ZERO WITH DECREASING RPM. ENDED UP THE ENG RIGGING NEE
- [SDR QMLA2010021710004](https://openairdocs.org/sdr/QMLA2010021710004), Feb 17, 2010: RECEPTACLE. BURNED. CREWMEMBER DETECTED ELECTRICAL SMELL, SAW FLUID DRIPPING ON NEBULIZER PLUG IN THE AC OUTLET. UNPLUGGED NEBULIZER AND REMOVED FLUID BAG, SOLVED THE PROBLEM. ON P
- [SDR QMLA2010020810003](https://openairdocs.org/sdr/QMLA2010020810003), Feb 8, 2010: UNKNOWN. ODOR. DURING FLIGHT, CREW REPORTED SMELLING FUEL.
- [SDR QMLA122009049](https://openairdocs.org/sdr/QMLA122009049), Dec 20, 2009: ENGINE. FAILED. ENROUTE TO HOSPITAL, WHILE DESCENDING, NOTICED THE TORQUE OF THE NR1 ENG HAD DROPPED TO ZERO. THE NR1 ENG PARAMETERS WERE CONSTANT AT ABOUT 75-80 PERCENT NG AND

All 135: https://openairdocs.org/engine/lycoming-lts-101-series/reports.md

## STCs that may be installed (OpenAirDocs) (1)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE934GL](https://openairdocs.org/stc/SE934GL): Installation of a fuel flow tranducer. Shadin Avionics. Lists LTS101-650B-1

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