# Allison 250-C30P - Type: Engine model (FAA registry) - Registry code: 03099 - Manufacturer (registry): ALLISON - Model: 250-C30P - Engine type: Turbo-shaft - Power: 650 hp - Data sheet: [TCDS E1GL](https://openairdocs.org/tcds/E1GL) (OpenAirDocs) - Holder: Rolls-Royce Corporation - Installed in: 25 registered aircraft - Page: https://openairdocs.org/engine/allison-250-c30p Model codes come from the FAA registry's reference file. ## 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 2018-13-01](https://openairdocs.org/ad/2018-13-01): Turbine Governor · Rolls-Royce 250-C10 (T63-A-5), 250-C18, 250-C18A and 24 more. Effective Aug 16, 2018 - [AD 2006-20-07](https://openairdocs.org/ad/2006-20-07): Adds an additional life limit for third- and fourth-stage turbine wheels · Rolls-Royce 250-C30, 250-C30G, 250-C30G/2 and 11 more. Effective Nov 2, 2006 - [AD 2006-16-04](https://openairdocs.org/ad/2006-16-04): Inspection of the fuel nozzle screen · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Sep 7, 2006 - [AD 98-24-28](https://openairdocs.org/ad/98-24-28): Main Fuel Control Bellows · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 36 more. Effective Jan 7, 1999 - [AD 96-19-01](https://openairdocs.org/ad/96-19-01): Superior Air Parts Manufacture Approval (PMA) Bearings · Rolls-Royce 250-B15G, 250-B17F, 250-B17F/1 and 17 more. Effective Sep 26, 1996 - [AD 88-17-01](https://openairdocs.org/ad/88-17-01): Fuel Controls · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 26 more. Effective Mar 1, 1989 - [AD 88-07-06](https://openairdocs.org/ad/88-07-06): Gas Producer Support Pressure Oil Tube Assembly · Rolls-Royce 250-C30, 250-C30M, 250-C30P and 2 more. Effective Mar 30, 1988 - [AD 86-20-13](https://openairdocs.org/ad/86-20-13): External Splines · Rolls-Royce 250-C28B, 250-C28C, 250-C30 and 9 more. Effective Dec 3, 1986 - [AD 86-19-12](https://openairdocs.org/ad/86-19-12): Gas Producer Turbine Rotor · Rolls-Royce 250-C30, 250-C30G, 250-C30G/2 and 7 more. Effective Oct 3, 1986 - [AD 85-25-07 R1](https://openairdocs.org/ad/85-25-07-R1): Outer Combustion Case Assembly · Rolls-Royce 250-C28, 250-C28B, 250-C28C and 10 more. Effective Aug 15, 1986 - [AD 85-25-08](https://openairdocs.org/ad/85-25-08): Compressor Mount Assembly · Rolls-Royce 250-C28B, 250-C28C, 250-C30 and 2 more. Effective Jan 6, 1986 - [AD 84-24-54 R2](https://openairdocs.org/ad/84-24-54-R2): Gas Producer Turbine Rotor · Rolls-Royce 250-C30, 250-C30P, 250-C30R (T703-AD-700) and 1 more. Effective Jan 6, 1986 - [AD 81-13-12 R1](https://openairdocs.org/ad/81-13-12-R1): 4th Stage Turbine Nozzle Assembly · Rolls-Royce 250-C30, 250-C30P and 250-C30S. Effective Sep 26, 1983 - [AD 82-24-05](https://openairdocs.org/ad/82-24-05): Control Assembly and Power Turbine Governor Assembly · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Nov 26, 1982 - [AD 79-16-06](https://openairdocs.org/ad/79-16-06): Accessory Drive Gearbox · Rolls-Royce 250-C28, 250-C28B, 250-C28C and 10 more. Effective Jan 11, 1980 Historical (superseded or no longer in force): - [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09) (historical): Fuel nozzle · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 40 more. Effective Jan 5, 2005 ## Registered aircraft (25) - [N203EH](https://openairdocs.org/aircraft/N203EH): [Dsl Aviation LLC](https://openairdocs.org/faa-owner/DSL%20AVIATION%20LLC), [Perham, MN](https://openairdocs.org/faa-place/MN/Perham), built 1993, S/N 52023 - [N206GS](https://openairdocs.org/aircraft/N206GS): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1982, S/N 45760 - [N206LJ](https://openairdocs.org/aircraft/N206LJ): [Johnson Flying Service LLC](https://openairdocs.org/faa-owner/JOHNSON%20FLYING%20SERVICE%20LLC), [Exira, IA](https://openairdocs.org/faa-place/IA/Exira), built 2009, S/N 52394 - [N226SH](https://openairdocs.org/aircraft/N226SH): [Scotts Helicopter Services Inc](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICES%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1981, S/N 45643 - [N23HX](https://openairdocs.org/aircraft/N23HX): [Willow Shade II Ltd](https://openairdocs.org/faa-owner/WILLOW%20SHADE%20II%20LTD), [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood), built 2007, S/N 52349 - [N255GT](https://openairdocs.org/aircraft/N255GT): [L3 Helicopter Inc](https://openairdocs.org/faa-owner/L3%20HELICOPTER%20INC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), S/N 51217 - [N295SJ](https://openairdocs.org/aircraft/N295SJ): [Premier Rotors LLC](https://openairdocs.org/faa-owner/PREMIER%20ROTORS%20LLC), [Saint Martinville, LA](https://openairdocs.org/faa-place/LA/Saint%20Martinville), built 1994, S/N 52059 - [N311MH](https://openairdocs.org/aircraft/N311MH): [Maritime Helicopters Inc](https://openairdocs.org/faa-owner/MARITIME%20HELICOPTERS%20INC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1996, S/N 52055 - [N35NR](https://openairdocs.org/aircraft/N35NR): [Central States Helicopters Inc](https://openairdocs.org/faa-owner/CENTRAL%20STATES%20HELICOPTERS%20INC), [Wood River, NE](https://openairdocs.org/faa-place/NE/Wood%20River), built 1995, S/N 52137 - [N42SL](https://openairdocs.org/aircraft/N42SL): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2008, S/N 52377 - [N4338D](https://openairdocs.org/aircraft/N4338D): [Ace High Helos LLC](https://openairdocs.org/faa-owner/ACE%20HIGH%20HELOS%20LLC), [Louise, TX](https://openairdocs.org/faa-place/TX/Louise), built 1992, S/N 51560 - [N552AE](https://openairdocs.org/aircraft/N552AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2015, S/N 52478 - [N55SL](https://openairdocs.org/aircraft/N55SL): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Cahokia, IL](https://openairdocs.org/faa-place/IL/Cahokia), built 2007, S/N 52347 - [N570RL](https://openairdocs.org/aircraft/N570RL): [Jasons Helicopter Services](https://openairdocs.org/faa-owner/JASONS%20HELICOPTER%20SERVICES), [New Prague, MN](https://openairdocs.org/faa-place/MN/New%20Prague), built 1980, S/N 45517 - [N57LP](https://openairdocs.org/aircraft/N57LP): [Panther Helicopters Inc](https://openairdocs.org/faa-owner/PANTHER%20HELICOPTERS%20INC), [Belle Chasse, LA](https://openairdocs.org/faa-place/LA/Belle%20Chasse), S/N 52185 - [N60TL](https://openairdocs.org/aircraft/N60TL): [Industrial Helicopters LLC](https://openairdocs.org/faa-owner/INDUSTRIAL%20HELICOPTERS%20LLC), [Scott, LA](https://openairdocs.org/faa-place/LA/Scott), built 1994, S/N 52112 - [N651HA](https://openairdocs.org/aircraft/N651HA): [Helicopter Applicators Inc](https://openairdocs.org/faa-owner/HELICOPTER%20APPLICATORS%20INC), [Gettysburg, PA](https://openairdocs.org/faa-place/PA/Gettysburg), built 1986, S/N 51185 - [N652HA](https://openairdocs.org/aircraft/N652HA): [Helicopter Applicators Inc](https://openairdocs.org/faa-owner/HELICOPTER%20APPLICATORS%20INC), [Gettysburg, PA](https://openairdocs.org/faa-place/PA/Gettysburg), built 1996, S/N 52175 - [N660HA](https://openairdocs.org/aircraft/N660HA): [Helicopter Applicators Inc](https://openairdocs.org/faa-owner/HELICOPTER%20APPLICATORS%20INC), [Gettysburg, PA](https://openairdocs.org/faa-place/PA/Gettysburg), built 1979, S/N 45219 - [N767H](https://openairdocs.org/aircraft/N767H): [Weyerhaeuser Nr Co](https://openairdocs.org/faa-owner/WEYERHAEUSER%20NR%20CO), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1992, S/N 52003 - [N7978K](https://openairdocs.org/aircraft/N7978K): [Mowata Farms LLC](https://openairdocs.org/faa-owner/MOWATA%20FARMS%20LLC), [Mamou, LA](https://openairdocs.org/faa-place/LA/Mamou), built 1982, S/N 45492 - [N79TV](https://openairdocs.org/aircraft/N79TV): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1982, S/N 45718 - [N7QN](https://openairdocs.org/aircraft/N7QN): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1997, S/N 52199 - [N92PJ](https://openairdocs.org/aircraft/N92PJ): [Ww Flying Services LLC](https://openairdocs.org/faa-owner/WW%20FLYING%20SERVICES%20LLC), [Waller, TX](https://openairdocs.org/faa-place/TX/Waller), built 1984, S/N 51094 - [N97PX](https://openairdocs.org/aircraft/N97PX): [Iron Horse Aviation LLC](https://openairdocs.org/faa-owner/IRON%20HORSE%20AVIATION%20LLC), [Marshalltown, IA](https://openairdocs.org/faa-place/IA/Marshalltown), built 1984, S/N 51114 ## NTSB investigations (5) 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 ERA23FA317](https://openairdocs.org/ntsb/ERA23FA317), Jul 29, 2023: Bell 206-L4 (N652HA), Springfield, OH, substantial damage, 1 fatal. Probable cause: The pilot’s failure to remain clear of powerlines during an agricultural spraying operation. - [NTSB ANC23FA056](https://openairdocs.org/ntsb/ANC23FA056), Jul 20, 2023: Bell 206-L4 (N311MH), Wainwright, AK, destroyed, 4 fatal. Probable cause: The pilot's decision to fly at a low altitude over a large body of water toward featureless terrain, which resulted in a loss of visual clues and controlled flight into terrain. - [NTSB ERA15LA374](https://openairdocs.org/ntsb/ERA15LA374), Sep 20, 2015: Bell 206 (N165BH), Thomaston, GA, destroyed. Probable cause: The loss of tail rotor control due to a fractured pin in the tail rotor control system; the reason the pin fractured could not be determined as the fractured pin was lost in shipping. - [NTSB ERA14LA248](https://openairdocs.org/ntsb/ERA14LA248), May 21, 2014: Bell Helicopter Textron Canada 206 L4 (N55SL), Beverly, MA, substantial damage. Probable cause: Maintenance personnel’s inadequate inspection of the engine’s outer combustion case, which resulted in the failure of the case due to fatigue cracks that initiated on the inside surface of the case… - [NTSB NYC95LA142](https://openairdocs.org/ntsb/NYC95LA142), Jul 6, 1995: Bell 206-BIII (N206GS), New York, NY, substantial damage. Probable cause: The pilot' inadequate preflight inspection. A factor was the pilot's diverted attention. ## FAA accident and incident reports (11) 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. - [Incident 20240322001939I](https://openairdocs.org/incident/20240322001939I), Mar 22, 2024: Bell 206L-3 (N92PJ), Wright City, OK, No damage. This office was called by the regional operations command on 03/26/2024 at 3:30 pm, that a helicopter was shot at while flying over private property hog… - [Accident 20230729016109A](https://openairdocs.org/incident/20230729016109A), Jul 29, 2023: Bell 206-L4 (N652HA), Springfield, OH, Substantial damage, 1 fatal. On July 29, 2023, helicopter [privacy data omitted] was performing a 137-agriculture spraying operation on a field south of I70 between e. possum rd and ridge… - [Accident 20230720008019A](https://openairdocs.org/incident/20230720008019A), Jul 20, 2023: Bell 206-L4 (N311MH), Utqiagvik, AK, Destroyed, 4 fatal. While operating under contract for state of Alaska with three department of natural resources passengers on board, a Bell 206L-4 helicopter operated by… - [Incident 20200807017779I](https://openairdocs.org/incident/20200807017779I), Aug 7, 2020: Bell Helicopter Textron Canada 206L-4 (N55SL), Windham, NH, No damage. At approximately 1315 EDT, pilot and a photographer departed the beverly airport for londonderry, NH to record some video of a vehicle crash. After departing… - [Accident 20150920017919A](https://openairdocs.org/incident/20150920017919A), Sep 20, 2015: Bell Helicopter Textron 206L-1 (N165BH), Thomaston, GA, Substantial damage. On September 20, 2015, about 1900 eastern daylight time, Bell 206L-1, N165BH, was destroyed during collision with a ground vehicle and terrain following a… - [Accident 20140521007809A](https://openairdocs.org/incident/20140521007809A), May 21, 2014: Bell Helicopter Textron Canada 206L-4 (N55SL), Beverly, MA, Substantial damage. At approximately 1011 local time on may 21, 2014, N55SL a Bell 206 L4 (serial number 52347) was scheduled to operate as a news gathering flight in the… - [Incident 20070810017409I](https://openairdocs.org/incident/20070810017409I), Aug 10, 2007: Bell 206L4 (N23HX), Lawrenceville, GA, Minor damage. (-23) During landing on the platform the pilot looked out the door to line up the skids longways on the platform. When the skids contacted the platform the… - [Incident 20030701012859I](https://openairdocs.org/incident/20030701012859I), Jul 1, 2003: Bell 206L4 (N767H), Thayne, WY, Minor damage. (-23) While attempting to land at the refuel site the helicopter struck two power lines. One wire broke and pilot hovered rearward out of contact with the… - [Incident 20010211002329I](https://openairdocs.org/incident/20010211002329I), Feb 11, 2001: Bell 206L1 (N206GS), Coraopolis, PA. (-23) See attached sheets for narrative - [Incident 19990430004279I](https://openairdocs.org/incident/19990430004279I), Apr 30, 1999: Bell 206L1 (N165BH), Coconut Grove, FL, Minor damage. On April 30, 1999, about 1539 eastern daylight time, a Bell 206L-1 helicopter, N265BH, registered to biscayne helicopter inc., was forced to land in the waters… - [Accident 19950706016619A](https://openairdocs.org/incident/19950706016619A), Jul 6, 1995: Bell 206B3 (N206GS), New York, NY, Substantial damage. Failed untie main rotors prior startup. Blade failed. Helicopter jumped up. Shutdown. Severe damage on impact. ## Service difficulty reports (645, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR EVCA2026100126](https://openairdocs.org/sdr/EVCA2026100126), Sep 30, 2026: BLOWER MOTOR. UNSERVICEABLE. ELECTRICAL SMELL WHEN AIR CONDITIONER IS TURNED ON. AFT BLOWER MOTOR WAS THE CAUSE. SYSTEM MEL'ED UNTIL A REPLACEMENT ARRIVES. - [SDR EVCA20261006001](https://openairdocs.org/sdr/EVCA20261006001), Sep 30, 2026: SWITCH. UNSERVICEABLE. RAW FUEL ODOR IN CABIN AND COCKPIT AREAS IN FLIGHT. - [SDR EVCA202608250001](https://openairdocs.org/sdr/EVCA202608250001), Aug 24, 2026: BLOWER MOTOR. UNSERVICEABLE. BURNING ELECTRICAL ODOR IN THE CABIN. BLOWER MOTOR UNSERVICABLE. - [SDR 2026FA0000413](https://openairdocs.org/sdr/2026FA0000413), May 20, 2026: CHECK VALVE. STUCK. UPON REMOVAL OF THE OIL CHECK VALVE FOR ROUTINE TESTING, THE AMT NOTICED NO OIL FLOWED OUT OF THE LINE GOING TO THE 6&7 BEARING. THE CHECK VALVE WAS FOUND TO BE - [SDR EVCA20251028001](https://openairdocs.org/sdr/EVCA20251028001), Oct 27, 2025: FITTING. INSTALLED. UPPER L/H TAILBOOM ATTACHMENT FITTING CRACKED - [SDR EVCA20250603001](https://openairdocs.org/sdr/EVCA20250603001), Jun 2, 2025: BLOWER MOTOR. ODOR. AC SMELLS LIKE BURNT ELECTRIC WHEN TURN ON - [SDR EVCA20250117001](https://openairdocs.org/sdr/EVCA20250117001), Jan 17, 2025: STIFFENER. CRACKED. LH FS 145 & STIFFENER CLIP CRACKED - [SDR EVCA011720251](https://openairdocs.org/sdr/EVCA011720251), Jan 17, 2025: STIFFENER. CRACKED. LH FS 145 & STIFFENER CLIP CRACKED - [SDR EVCA202501070020](https://openairdocs.org/sdr/EVCA202501070020), Jan 7, 2025: BULKHEAD. CRACKED. RH FS 145 BULKHEAD & STIFFENER CLIP CRACKED - [SDR EVCA20241119001](https://openairdocs.org/sdr/EVCA20241119001), Nov 15, 2024: SKIN. DAMAGED. BIRD STRIKE WHILE IN CRUISE FLIGHT RETURNING TO BASE. PILOT LANDED IN FIELD NEAR FORUM AR. AMT NOTED DAMAGE TO VERTICAL FIN LOWER LEADING EDGE. REPLACED VERTICA - [SDR EVCA20241021001](https://openairdocs.org/sdr/EVCA20241021001), Oct 20, 2024: FUEL LINE. WORN. FUEL SMELL IN THE CABIN. FUEL LINE WAS FOUND TO HAVE A WORN FLARE THAT CAUSED IT TO SEEP. - [SDR EVCA202406240001](https://openairdocs.org/sdr/EVCA202406240001), Jun 24, 2024: BLADE. CRACKED. M/R BLADE INBOARD TRIM TABS CRACKED - [SDR EVCA20240426401](https://openairdocs.org/sdr/EVCA20240426401), Apr 24, 2024: EXHAUST STACK. WARPED. WARPING IN ENGINE EXHAUST STACK. - [SDR EVCA202404150001](https://openairdocs.org/sdr/EVCA202404150001), Apr 11, 2024: B-NUT. LOOSE. CREW REPORTS STRONG FUEL SMELL IN AFT CABIN. FINDINGS: REMOVED CENTER AFT FACING SEAT PANEL AND ACCESS COVER TO GAIN ACCESS TO FUEL SYSTEM. FOUND FUEL SEEPING A - [SDR EVCA2024031800024](https://openairdocs.org/sdr/EVCA2024031800024), Mar 17, 2024: SWITCH. LEAKING. STRONG SMELL OF FUEL IN AIRCRAFT. - [SDR EVCA202402190024](https://openairdocs.org/sdr/EVCA202402190024), Feb 17, 2024: UNKNOWN. ODOR. STRONG FUEL SMELL IN AIRCRAFT ON STARTUP. AMT PULLED HAT RACK AND FUEL VALVE COVER, PERFORMED VISUAL INSPECTION AND NO LEAKS DETECTED. PERFORMED GROUND RUN AND - [SDR EVCA202312040001](https://openairdocs.org/sdr/EVCA202312040001), Dec 4, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED - [SDR EVCA20231204002](https://openairdocs.org/sdr/EVCA20231204002), Dec 4, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD AND OUTBOARD TRIM TAB CRACKED - [SDR EVCA202311090001](https://openairdocs.org/sdr/EVCA202311090001), Nov 8, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED - [SDR EVCA2023110931](https://openairdocs.org/sdr/EVCA2023110931), Nov 8, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED - [SDR EVCA20230913001](https://openairdocs.org/sdr/EVCA20230913001), Sep 12, 2023: MOTOR. SMOKE. SMOKE IN CABIN FROM AIR CONDITIONER. THE AMT ARRIVED AND INSPECTED THE SYSTEM. EVERYTHING WORKED AS ADVERTISED AND THEY RAN THE AIRCRAFT FOR 10 MINUTES WITH NO - [SDR EVCA2023083020](https://openairdocs.org/sdr/EVCA2023083020), Aug 29, 2023: BLADE. UNKNOWN. DISCOVERED PERPENDICULAR CRACK 104 INCHES FROM TIP CAP STARTING AT TRAILING EDGE RUNNING UP TO SPAR ON BELL MAIN ROTOR BLADE P/N 206-015-001-119 S/N VL00249530 - [SDR EVCA202308290023](https://openairdocs.org/sdr/EVCA202308290023), Aug 28, 2023: COLLECTOR. CRACKED. TURBINE EXHAUST COLLECTOR HAS TWO-INCH CRACK LOCATED ON LH AFT SIDE OF COLLECTOR LOCATED 8.47 INCHES DOWN FROM EXHAUST DUCT MOUNTING FLANGE. - [SDR EVCA202306130001](https://openairdocs.org/sdr/EVCA202306130001), Jun 12, 2023: INTERCOSTAL. UNKNOWN. CRACK FOUND ON TAILBOOM UPPER LEFT-HAND INTERCOSTAL - [SDR EVCA202305110001](https://openairdocs.org/sdr/EVCA202305110001), May 10, 2023: HOSE. UNKNOWN. FUEL SMELL FROM AFT CREW COMPARTMENT. FOUND FUEL SEEPING AT DUAL EJECTOR PUMP OUTLET HOSE. TIGHTENED B-NUT ON HOSE. LEAK CHECK COMPLETED. - [SDR EVCA011720232](https://openairdocs.org/sdr/EVCA011720232), Jan 15, 2023: HEATER. ODOR. WITH HEATER TURNED ON THERE IS FUEL SMELL IN CABIN. INSPECTED WITH NO ISSUES FOUND. GROUND RAN AND COULD NOT DUPLICATE. - [SDR EVCA01122023](https://openairdocs.org/sdr/EVCA01122023), Jan 6, 2023: FUEL CONTROL. LEAKING. FUEL SMELL IN CABIN UPON TAKE OFF. FOUND FUEL SEEP AT FUEL CONTROL UNIT. - [SDR EVCA2023010300001](https://openairdocs.org/sdr/EVCA2023010300001), Jan 2, 2023: HOSE. CRACKED. HOSE CRACKED AT THE ATTACHMENT FITTING CAUSING A LOSS OF HYDRAULIC FLUID AND THE LOSS OF HYDRAULIC ASSISTED FLIGHT CONTROLS. - [SDR EVCA2023010300002](https://openairdocs.org/sdr/EVCA2023010300002), Jan 2, 2023: EXHAUST DUCT. OUT OF POSITION. CREW REPORTED FUEL/EXHAUST SMELL DURING FLIGHT. UPON FURTHER INVESTIGATION, IT WAS REPORTED THEY HAD A STRONG TAIL WIND AND THE SMELL THEY REPORTED WAS EXHAUST - [SDR EVCA202212090001](https://openairdocs.org/sdr/EVCA202212090001), Dec 8, 2022: ATTACH FITTING. CRACKED. CRACK FOUND IN LT UPPER ATTACHMENT TAILBOOM FITTING DURING 100 HOUR INSPECTION. - [SDR EVCA202212010001](https://openairdocs.org/sdr/EVCA202212010001), Nov 30, 2022: ATTACH FITTING. CRACKED. DURING COMPLETION OF AD 2013-25-10 INSPECTION FOUND THAT THE UPPER LEFT TAILBOOM ATTACHMENT FITTING WAS CRACKED. - [SDR EVCA20221115002](https://openairdocs.org/sdr/EVCA20221115002), Nov 13, 2022: UNKNOWN. ODOR. JET-A SMELL IN THE ACFT. INSPECTED AIRCRAFT FUEL SYSTEM FOR LEAKS NO DEFECTS NOTED AT THIS TIME, NO FUEL SMELL NOTED AT THIS TIME. ALL WORK IN REFERENCE WITH BH - [SDR 2VKA202210050001](https://openairdocs.org/sdr/2VKA202210050001), Sep 30, 2022: SUPPORT. CRACKED. CRACK FOUND IN VERTICAL TUNNEL WEB @ RBL 4.0 STA 87.5 WL 67.92. - [SDR EVCA202209290001](https://openairdocs.org/sdr/EVCA202209290001), Sep 27, 2022: BLOWER MOTOR. ODOR. ELECTRICAL SMELL NOTED DURING FLIGHT. FOUND TO BE THE FORWARD AIR CONDITIONER BLOWER MOTOR. - [SDR EVCA202209160001](https://openairdocs.org/sdr/EVCA202209160001), Sep 13, 2022: BLOWER MOTOR. OVERHEATED. INTERMITTENT ELECTRICAL FUMES IN CABIN AND COCKPIT IN CRUISE FLIGHT. AIR CONDITIONER AFT EVAPORATOR BLOWER MOTOR OVERHEATING. - [SDR EVCA091222](https://openairdocs.org/sdr/EVCA091222), Sep 9, 2022: A/C PACK. SMOKE. AIR CONDITIONER SYSTEM PRODUCING WHITE SMOKE IN CABIN WITH ACCOMPANYING BURNING SMELL. - [SDR EVCA0622222](https://openairdocs.org/sdr/EVCA0622222), Jun 22, 2022: MOTOR. INOPERATIVE. STRONG ELECTRICAL SMELL IN AIRCRAFT IN FLIGHT. - [SDR EVCA062222](https://openairdocs.org/sdr/EVCA062222), Jun 20, 2022: INVERTER. INOPERATIVE. SHARP ACRID ELECTRICAL SMELL IN COCKPIT & CABIN 20 MIN INTO FLIGHT, EXECUTED PRECAUTIONARY LANDING AT AEL 26; NO CHANGE IN ANY ELECTRICAL INSTRUMENTS. REMOVED I - [SDR EVCA0622221](https://openairdocs.org/sdr/EVCA0622221), Jun 20, 2022: WIRE. MELTED. BURNT ELECTRICAL SMELL IN CABIN AREA. AIR CONDITIONER AFT EVAPORATOR BLOWER WIRE SPLICE OVERHEATED AND MELTED AT RESISTOR. - [SDR 2022F00242](https://openairdocs.org/sdr/2022F00242), May 18, 2022: FREEWHEEL UNIT. FAILED. THE FREEWHEELING UNIT WAS FAILING CAUSING THE MAIN GEARBOX CHIP LIGHT TO INTERMITTENTLY ILLUMINATE. WHEN THE CHIP DETECTORS WERE INSPECTED THERE WAS NO METAL NO - [SDR 8MHR021465AE](https://openairdocs.org/sdr/8MHR021465AE), Dec 21, 2021: DIFFUSER. SEPARATION. FORWARD PLATE SEPARATED FROM VANE SEGMENT - [SDR 8MHR021404AE](https://openairdocs.org/sdr/8MHR021404AE), Nov 1, 2021: DIFFUSER. SEPARATION. FORWARD PLATE SEPARATED FROM VANE SEGMENTS. - [SDR EVCA202107070002](https://openairdocs.org/sdr/EVCA202107070002), Jun 30, 2021: MOTOR. FAILED. AFT BLOWER MOTOR BEGAN TO GET HOT AND PUT OFF A BURNT SMELL. THE SYSTEM WAS INSPECTED AND NO EVIDENCE OF BURNING WAS - [SDR EVCA20200901001](https://openairdocs.org/sdr/EVCA20200901001), Aug 30, 2020: ENGINE. FLAMED OUT. DURING A ROUTINE AUTO ROTATION SPEED CHECK FOLLOWING TRACK AND BALANCE VERIFICATION, THE ENGINE OUT LIGHT CAME ON AND THE ENGINE FLAMED OUT. THE IDLE DETENT WAS - [SDR EVCA202003061](https://openairdocs.org/sdr/EVCA202003061), Mar 4, 2020: LINE. SEPARATED. DURING FLIGHT, THE AIRCRAFT EXPERIENCED POWER LOSS RESULTING IN A HARD LANDING. UPON INSPECTION OF THE AIRCRAFT, THE PC LINE PN: 23065814 FROM THE COMPRESSOR SC - [SDR EVCA201911121](https://openairdocs.org/sdr/EVCA201911121), Nov 12, 2019: TUBE. CRACKED. BY VISUAL INSPECTION, FOUND PG AIR LINE FROM ACCUMULATOR TO FUEL CONTROL CRACKED APPROXIMATELY HALF THE CIRCUMFERENCE AND 1/2 INCH FROM FITTING. - [SDR IAVA2019101600001](https://openairdocs.org/sdr/IAVA2019101600001), Oct 16, 2019: SKIN. CRACKED. CRACK ON UPPER TAIL BOOM SKIN AT STATION 172 FROM 3RD RIVET FORWARD OF CASTING ON SKIN SPLICE SEAM TO 4TH RIVET AT TAIL ROTOR GEARBOX CASTING ATTACHMENT RIVET L - [SDR IAVA2019072900001](https://openairdocs.org/sdr/IAVA2019072900001), Jul 29, 2019: PANEL. CRACKED. DURING POST FLIGHT INSPECTION FOUND CRACK IN ROOF. LEFT AFT CORNER FROM RIVET HOLE WHERE ROOF ATTACHES TO ROLL OVER BULKHEAD. CRACK WAS VERIFIED BY DYE PENETRAN - [SDR CA190607012](https://openairdocs.org/sdr/CA190607012), Jun 1, 2019: STABILIZER. BROKEN. (CAN) IT WAS REPORTED TO BELL: VERTICAL FIN BROKE IN FLIGHT, FOLDED ON THE RH SIDE OF THE SHIP. SHIP FLIGHT TIME 16,000 HOUR +/-. (TC# 20190607012) - [SDR CA190528020](https://openairdocs.org/sdr/CA190528020), May 27, 2019: BLADE. DAMAGED. (CAN) DURING A ROUTINE DAILY INSPECTION OF A BELL 206L-4 THE PILOT/ENGINEER NOTED THAT A COVER PLATE ON THE BOTTOM OUTBOARD END OF ONE OF THE MAIN ROTOR BLADES All 645: https://openairdocs.org/engine/allison-250-c30p/reports.md ## STCs that may be installed (OpenAirDocs) (5) 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 SE00057AT](https://openairdocs.org/stc/SE00057AT): Installation of Aeronautical Accessories, Inc., Pc Safety Valve Kit. Bell Helicopter Textron Inc - [STC SE00026EN](https://openairdocs.org/stc/SE00026EN): Installation of Pratt & Whitney Engine Services Inc. IntelliStart Plus Electronic Control Unit (ECU), P/N DPU-K-010 on specified 250 engine models. Pratt & Whitney Engine Services Inc - [STC SE578GL](https://openairdocs.org/stc/SE578GL): Installation of a fuel flow transducer. Shadin Avionics - [STC ST00037AT](https://openairdocs.org/stc/ST00037AT): Unison igniter plugs, P/N 9044400-1. Unison Industries - [STC SQ00338AT](https://openairdocs.org/stc/SQ00338AT): Unison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106. Unison Industries --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.