# Allison 250-C30G/2 - Type: Engine model (FAA registry) - Registry code: 03105 - Manufacturer (registry): ALLISON - Model: 250-C30G/2 - Engine type: Turbo-shaft - Power: 650 hp - Data sheet: [TCDS E1GL](https://openairdocs.org/tcds/E1GL) (OpenAirDocs) - Holder: Rolls-Royce Corporation - Installed in: 1 registered aircraft - Page: https://openairdocs.org/engine/allison-250-c30g-2 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 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 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 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 Effective Jan 11, 1980 Historical (superseded or no longer in force): - [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09) (historical): Fuel nozzle · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 40 more.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 (1) - [N449B](https://openairdocs.org/aircraft/N449B): [Airtrust LLC - 16 - Series 16 Trustee](https://openairdocs.org/faa-owner/AIRTRUST%20LLC%20-%2016%20-%20SERIES%2016%20TRUSTEE), [Sheridan, WY](https://openairdocs.org/faa-place/WY/Sheridan), built 1995, S/N 23034 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (22) As reported by operators and repair stations, by the model named in the report. - [SDR CA140521009](https://openairdocs.org/sdr/CA140521009), May 15, 2014: FUEL CONTROL. MALFUNCTIONED. (CAN) IN CRUISE FLIGHT NR 1 ENGINE PARTIAL POWER LOSS, 40 PERCENT TORQUE SPLIT FROM ENGINE NR 2. ENGINE NR 1 ROLLED BACK MANUALLY TO IDLE, ENGINE LIGHT OUT ILLU - [SDR O842011F00000](https://openairdocs.org/sdr/O842011F00000), Aug 8, 2011: VALVE. BYPASSING. NR 1 ENGINE WAS LOW. TROUBLESHOT AND FOUND NR 1 OVERSPEED VALVE BYPASSING AIR. PART HAD BEEN INSTALLED FOR 115.4 HRS SINCE O/H. - [SDR O842010F00000](https://openairdocs.org/sdr/O842010F00000), Jul 28, 2010: STARTER GEN. MALFUNCTIONED. GENERATOR WOULD NOT GO ON-LINE AFTER ENGINE START FOR RETURN FLIGHT BACK TO HOME BASE FROM HELIPAD AFTER PATIENT DROP-OFF. - [SDR HEER117546](https://openairdocs.org/sdr/HEER117546), Sep 23, 2007: SWASHPLATE. BROKEN. THE MECHANIC NOTICED THE CYCLIC LINK HAD COME IN CONTACT WITH THE INNER RING AND DURING HIS INVESTIGATION TO DETERMINE THE CAUSE OF THIS UNUSUAL CONDITION, HE F - [SDR HEEA107326](https://openairdocs.org/sdr/HEEA107326), Sep 4, 2005: ENGINE. POWER LOSS. ON TAKEOFF, THE NR 2 ENGINE LOST POWER. PILOT PERFORMED SINGLE ENGINE LANDING. REPLACED ENGINE ASSEMBLY. - [SDR HEEA064949](https://openairdocs.org/sdr/HEEA064949), Nov 2, 1999: FCU. FAILED. AT 5,500 FEET DURING CRUISE, NR 1 ENGINE DECELERATED TO 68 PERCENT N1. RECOVERED AT 3,300 FEET, SLIGHT OSCILLATION ON LANDING. INSP OF FUEL CONTROL FOUND CATAST - [SDR HEED064543](https://openairdocs.org/sdr/HEED064543), Apr 27, 1999: SEAL. LEAKING. MAG SEAL LEAKS. ORDERED REPLACEMENT. - [SDR HEED064545](https://openairdocs.org/sdr/HEED064545), Apr 27, 1999: SEAL. LEAKING. MAG SEAL LEAKS. ORDERED REPLACEMENT. - [SDR 99ZZZX1267](https://openairdocs.org/sdr/99ZZZX1267), Nov 11, 1998: SOLENOID. FAILED. SOLENOID WILL NOT ACTUATE. REMOVED AND REPLACED. - [SDR HEEA0012756](https://openairdocs.org/sdr/HEEA0012756), Feb 2, 1998: FILTER. DEFECTIVE. ENG OIL FILTER NO BYPASS INDICATION. - [SDR HEEA0010161](https://openairdocs.org/sdr/HEEA0010161), Jun 19, 1997: FUEL CONTROL. MALFUNCTION. FUEL CONTROL UNSTABLE IDLE, SLOW ACCEL. - [SDR HEEA968677](https://openairdocs.org/sdr/HEEA968677), Dec 11, 1996: NOZZLE. DEFECTIVE. FUEL NOZZLE NEEDS TO BE REPLACED, NOT ENOUGH THREADS TO ADD SHIMS. - [SDR HEEA967381](https://openairdocs.org/sdr/HEEA967381), Jun 5, 1996: INDICATOR. DEFECTIVE. UPON POSTFLIGHT CHECK OF #1 ENGINE NOTED OIL FILTER BYPASS INDICATOR EXTENDED. REPLACED OIL FILTER WITH NO CHANGE. INDICATOR REPLACEMENT CORRECTED PROBLEM. REPL - [SDR HEEA967297](https://openairdocs.org/sdr/HEEA967297), May 31, 1996: GOVERNOR. MALFUNCTION. ERRATIC POWER SETTINGS (GOVERNOR WOULD NOT STAY WITHIN UPPER LIMITS) - [SDR HEEA967233](https://openairdocs.org/sdr/HEEA967233), May 15, 1996: FUEL NOZZLE. DEFECTIVE. REMOVED FUEL NOZZLE DUE TO CAUSING HUNG STARTS AND DELAYED LIGHT OFF. UPON INSPECTION OF FUEL NOZZLE FOUND MODERATE STREAKS IN SPRAY PATTERN, FOUND EXCESSIVE CA - [SDR HEEA967067](https://openairdocs.org/sdr/HEEA967067), Apr 23, 1996: BLEED VALVE. DEFECTIVE. BLEED VALVE CAUSING ENGINE SURGE DURING POWER CHECK AT 70% TORQUE SINGLE ENGINE. - [SDR HEEA966913](https://openairdocs.org/sdr/HEEA966913), Apr 2, 1996: FUEL CONTROL. FAILED. FUEL CONTROL INVOLVED IN A HIGH SIDE GOVERNOR FAILURE AND ROTOR WENT TO 112%. - [SDR HEEA966914](https://openairdocs.org/sdr/HEEA966914), Apr 2, 1996: GOVERNOR. FAILED. HIGH SIDE GOVERNOR FAILURE. - [SDR HEEA966803](https://openairdocs.org/sdr/HEEA966803), Feb 28, 1996: ACTUATOR. DEFECTIVE. UNABLE TO BEEP DUAL ENGINE RPM UP OR DOWN. - [SDR HEEA956158](https://openairdocs.org/sdr/HEEA956158), Nov 29, 1995: SEAL. OIL LEAK. ENGINE REPAIRED DUE TO OIL LEAK AND 300 HOUR INSPECTION. UPON INSPECTION OF GEARBOX PARTS NOTED THE FOLLOWING: 1) OIL LEAKING FROM PTO MAG SEAL 2) EXCESSIVE WEA - [SDR HEEA956159](https://openairdocs.org/sdr/HEEA956159), Nov 29, 1995: SPACER. WORN. ENGINE REPAIRED DUE TO OIL LEAK AND 300 HOUR INSPECTION. UPON INSPECTION OF GEARBOX PARTS NOTED THE FOLLOWING: 1) OIL LEAKING FROM PTO MAG SEAL 2) EXCESSIVE WEA - [SDR HEED9558](https://openairdocs.org/sdr/HEED9558), Apr 21, 1995: SOLENOID. INOPERATIVE. NR 1 ENGINE FLIGHT IDLE SOLENOID INOPERATIVE. ## STCs that may be installed (OpenAirDocs) (3) 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 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 --- 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.