# Hanger 9 SR-22T - Type: Aircraft model (FAA registry) - Registry code: 06101GQ - Manufacturer (registry): HANGER 9 - Model: SR-22T - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 ยท Electric - Seats: 0 - Weight class: Unmanned, up to 55 lb - Certification: Not type certificated - Registered aircraft: 1 - Page: https://openairdocs.org/model/hanger-9-sr-22t Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (1) - [N523NU](https://openairdocs.org/aircraft/N523NU): [Nasa Langley Research Center](https://openairdocs.org/faa-owner/NASA%20LANGLEY%20RESEARCH%20CENTER), [Hampton, VA](https://openairdocs.org/faa-place/VA/Hampton), S/N SR-1 ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## Service difficulty reports (70, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2026FA0000822](https://openairdocs.org/sdr/2026FA0000822), Oct 2, 2026: CYLINDER. CRACKED. DISCOVERED CRACKED CYLINDER #3 FOLLOWING A ROUTINE INSPECTION FOR SB25-04. - [SDR 2026FA0000808](https://openairdocs.org/sdr/2026FA0000808), Oct 2, 2026: SKIN. CORRODED. THIS PLANE HAS CONTINUED REPETITIVE CORROSION OF THE ALUMINUM PARTS OF THE ELEVATOR. IT IS SEEN AT EMANATING FROM THE BONDED PARTS WHERE THE PIECES ARE RIVETED - [SDR 2026FA0000807](https://openairdocs.org/sdr/2026FA0000807), Oct 1, 2026: DRIVE GEAR. SPALLED. FACE GEAR DAMAGED, ENGINE HAS EXHIBITED DAMAGE TO THE ALTERNATOR DRIVE FACE GEAR (P/N 657984), WHICH DRIVES THE NO. 1 ALTERNATOR. THE DAMAGE HAS INCLUDED VARYIN - [SDR 2026FA0000804](https://openairdocs.org/sdr/2026FA0000804), Oct 1, 2026: FLT CONTROLS. CORRODED. ALL FLIGHT CONTROLS BORESCOPED. ALL FLIGHT CONTROLS EXHIBIT CORRISION THROUGHOUT, FLAPS, AILERON, & RUDDER. CORROSION FOUND THROUGHOUT ALONG THE SEAM LINES FROM - [SDR 2026FA0000803](https://openairdocs.org/sdr/2026FA0000803), Sep 30, 2026: TORQUE TUBE. MISMANUFACTURED. AIRCRAFT WAS BROUGHT INTO ACE AVIATION FOR ANNUAL INSPECTION. 14857-002, 14857-001 ARE THE TWO PARTS FOR RH AND LH TORQUE TUBE WELDMENTS. THESE ARE ATTACHED TO - [SDR 2026FA0000587](https://openairdocs.org/sdr/2026FA0000587), Jul 16, 2026: DRIVE SHAFT. BROKEN. ALL BOLTS OF DRIVE SHAFT HUB ASSY. SHEARED FROM THE DRIVE ASSY. OF THE AIR CONDITIONING SYSTEM. - [SDR 2026FA0000817](https://openairdocs.org/sdr/2026FA0000817), Jul 15, 2026: DRIVE GEAR. SPALLED. FACE GEAR DAMAGED, ENGINE HAS EXHIBITED DAMAGE TO THE ALTERNATOR DRIVE FACE GEAR (P/N 657984), WHICH DRIVES THE NO. 1 ALTERNATOR. THE DAMAGE HAS INCLUDED VARYIN - [SDR 2026FA0000553](https://openairdocs.org/sdr/2026FA0000553), Jul 1, 2026: FUEL LINE. CRACKED. WHILE PERFORMING FUEL SET UP FOUND FUEL LINE FROM THROTTLE BODY TO FUEL DISTRIBUTION MANIFOLD B-NUT FERRULE TO BE CRACKED. - [SDR 2026FA0000547](https://openairdocs.org/sdr/2026FA0000547), Jun 29, 2026: TUBE. CRACKED. DURING THE ANNUAL INSPECTION ON A SEPARATE AIRCRAFT (N90CF), IT WAS IDENTIFIED THAT THE FUEL SUPPLY LINE FROM THE ENGINE THROTTLE BODY TO THE FUEL DISTRIBUTION - [SDR 2026FA0000546](https://openairdocs.org/sdr/2026FA0000546), Jun 29, 2026: TUBE. CRACKED. DURING THE ANNUAL INSPECTION, IT WAS IDENTIFIED THAT THE FUEL SUPPLY LINE FROM THE ENGINE THROTTLE BODY TO THE FUEL DISTRIBUTION MANIFOLD HAD A CRACK IN THE FER - [SDR 2026FA0000404](https://openairdocs.org/sdr/2026FA0000404), May 18, 2026: CYLINDER HEAD. SEPARATED. SEPARATION OF CYLINDER HEAD, EXHAUST SIDE FROM NR 5 CYLINDER DURING CRUISE/LEVEL FLIGHT. APPROXIMATELY 30 MINUTES INTO FLIGHT. - [SDR 2026FA0000819](https://openairdocs.org/sdr/2026FA0000819), Apr 29, 2026: DRIVE GEAR. SPALLED. FACE GEAR DAMAGED, ENGINE HAS EXHIBITED DAMAGE TO THE ALTERNATOR DRIVE FACE GEAR (P/N 657984), WHICH DRIVES THE NO. 1 ALTERNATOR. THE DAMAGE HAS INCLUDED VARYIN - [SDR 2026FA0000258](https://openairdocs.org/sdr/2026FA0000258), Apr 2, 2026: BRAKE DISC. CRACKED. LEFT MAIN BRAKE DISC FAILED/BROKE IN HALF WHEN AIRCRAFT WAS TAXIING. - [SDR 2026FA0000211](https://openairdocs.org/sdr/2026FA0000211), Mar 24, 2026: BRUSH BLOCK. EXPLODED. ALTERNATOR WOULD INTERMITTENTLY FAIL DURING FLIGHT. LANDED. ALT CHECKED FINE. PULLED BRUSH BLOCK ASSEMBLY. AND IT FELL INTO A MILLION PIECES. SEE VIDEO LINK WHI - [SDR 2026FA0000191](https://openairdocs.org/sdr/2026FA0000191), Mar 18, 2026: MANIFOLD. ERRATIC. IN CRUISE PILOT REPORTED THAT THE ENGINE BEGAN SURGING, RECEIVED A FLASHING CAS MESSAGE (UNCERTAIN WHAT THE MESSAGE WAS). PILOT REDUCED POWER TO 40% TO GET IT T - [SDR 2026FA0000549](https://openairdocs.org/sdr/2026FA0000549), Feb 26, 2026: COUPLING. CRACKED. DURING THE ANNUAL INSPECTION, BOTH TURBO V-BAND CLAMPS WERE REMOVED FOR INSPECTION AND BOTH WERE FOUND TO HAVE CRACKS IN THE CORNER RADII OF CLAMP INNER SEGMENT - [SDR 2026FA0000142](https://openairdocs.org/sdr/2026FA0000142), Feb 25, 2026: CYLINDER. CRACKED. DURING ANNUAL INSPECTION, I WAS BORESCOPING TCM TSIO 550 K ENGINE AND FOUND NUMBER 2 CYLINDER INTAKE VALVE CRACKED AND THE EDGES WERE CHIPPED AWAY. THE CYLINDER - [SDR 2025FA0000709](https://openairdocs.org/sdr/2025FA0000709), Oct 13, 2025: B-NUT. LOOSE. DOWNLOAD THE FLIGHT INFORMATION FROM THE DATA CARD. UPON OPENING THE CABIN DOOR, WAS IMMEDIATELY MET WITH A STRONG ODOR OF FUEL. THE COCKPIT SEATS WERE REMOVED - [SDR 2025FA0000513](https://openairdocs.org/sdr/2025FA0000513), Jul 23, 2025: MAGNETO. FAILED. PILOT OBSERVED #4 CYLINDER INDICATING IN THE RED. PERFORMED UNSCHEDULED LANDING AT KBOI. LOCAL FBO PERFORMED TROUBLESHOOTING. TESTED PROBES WITH GOOD RESULTS. P - [SDR 2025FA0000512](https://openairdocs.org/sdr/2025FA0000512), Jul 23, 2025: WIRE HARNESS. FAILED INSP. PILOT OBSERVED #4 CYLINDER TEMPERATURE INDICATING IN THE RED. MADE AN UNSCHEDULED LANDING AT KBOI. LOCAL FBO PERFORMED TROUBLESHOOTING. LOGBOOK ENTRY; "TESTED P - [SDR 2025FA0000529](https://openairdocs.org/sdr/2025FA0000529), Jul 18, 2025: FILTER. MELTED. PRESSURIZED MAGNETO AIR SOURCE FILTER MELTED/DEFORMED AFTER ONLY 79H AFTER INSTALLATION. BLOCKAGE OF AIR TO MAGNETO CAUSED LEFT MAGNETO FAILURE, WHICH WAS ALSO - [SDR 2025FA0000415](https://openairdocs.org/sdr/2025FA0000415), Jun 12, 2025: CYLINDER HEAD. CRACKED. AD2020-16-11 PREVIOUSLY COMPLIED WITH ON 11/12/24 AT 2158.7 FLIGHT TIME (536.5 SFRM) TO PREVENT CYLINDER CRACKS. SEVEN MONTHS AND 64.5 HOURS LATER, CYLINDER #5 - [SDR 2025FA0000501](https://openairdocs.org/sdr/2025FA0000501), Jun 9, 2025: TURBOCHARGER. DEFECTIVE. PILOT REPORTED SEVERE POWER LOSS WAS NOT ABLE TO MAINTAIN 100KTS. UNSCHEDULED LANDING AT THE CHALLIS AIRPORT, IDAHO (C53) MECHANICS INVESTED GATED ISSUE FOUND T - [SDR 2025FA0000383](https://openairdocs.org/sdr/2025FA0000383), Jun 3, 2025: CAMSHAFT. GOUGED. AN UNACCEPTABLE OIL SAMPLE LEAD TO A RECOMMENDATION BY AN OUTSIDE COMPANY TO HAVE AN INSPECTION OF THE CAMSHAFT AND LIFTERS PERFORMED. WE PERFORMED THESE INSPEC - [SDR 2025FA0000317](https://openairdocs.org/sdr/2025FA0000317), Apr 25, 2025: SENSOR. ERRATIC. PILOT REPORTED LOW OIL PRESSURE CAS ANNUNCIATION OBSERVED IN FLIGHT AND RETURNED FOR LANDING. PERFORMED POST FLIGHT INSPECTION, OIL QUANTITY WAS 6-7 QUARTS INDI - [SDR 2025FA0000150](https://openairdocs.org/sdr/2025FA0000150), Mar 5, 2025: STRUT. BROKEN. NOSE LANDING GEAR STRUT COLLAPSED WHILE LANDING. INSPECTION OF THE AIRCRAFT DISCOVERED THAT THE NOSE LANDING GEAR STRUT HAD BROKEN CAUSING THE GEAR TO COLLAPSE. - [SDR 2025FA0000112](https://openairdocs.org/sdr/2025FA0000112), Feb 13, 2025: CYLINDER. CRACKED. CYLINDER #3 WAS LEAKING OIL. UPON FURTHER INVESTIGATION, IT WAS DISCOVERED THAT THE CYLINDER WAS CRACKED. THE CRACK WAS DISCOVERED IN THE CROSSFLOW AREA THAT WA - [SDR 2025FA0000085](https://openairdocs.org/sdr/2025FA0000085), Feb 4, 2025: EXHAUST HEADER. CRACKED. CRACKED EXHAUST HEADER ATTACHED TO THE FIFTH CYLINDER. - [SDR 2025FA0000140](https://openairdocs.org/sdr/2025FA0000140), Jan 24, 2025: MAGNETO. FAULTED. THE COMMERCIAL STUDENT ON BOARD WAS PERFORMING THE DUTIES OF PILOT IN COMMAND (PIC) WHILE A CERTIFIED FLIGHT INSTRUCTOR ACTED AS THE PIC INSTRUCTOR. THE OUTBOUN - [SDR 2024FA0000942](https://openairdocs.org/sdr/2024FA0000942), Dec 6, 2024: CYLINDER. CRACKED. THIS REPORT PERTAINS TO AD 20-16-11. THE CURRENTLY INSTALLED #5 CYLINDER, PN: 658595 SN: AC18DA103 WAS AFFECTED BY AD 20-16-11. THE CORRECTIVE ACTION, RADIUS TH - [SDR 2024FA0000821](https://openairdocs.org/sdr/2024FA0000821), Oct 22, 2024: CYLINDER. SEIZED. #4 TOP SPARK PLUG (TEMPEST) WAS SEIZED IN THE CYLINDER HEAD. SPARK PLUG APPEARS TO BE TORQUING AGAINST THE BASE OF THE HELICOIL RATHER THAN AT THE SPARK PLUG FL - [SDR 2025FA0000421](https://openairdocs.org/sdr/2025FA0000421), Oct 12, 2024: CYLINDER HEAD. CRACKED. WHILE APPROACHING INTENDED DESTINATION OF SSI, LEVEL AT 5,000 FEET, THE PLANE STARTED VIBRATING/SHAKING WITH A LOSS OF PERCENT POWER AND MANIFOLD PRESSURE, AMON - [SDR 2024FA0000838](https://openairdocs.org/sdr/2024FA0000838), Aug 1, 2024: CYLINDER HEAD. SEPARATED. WHILE IN NORMAL CRUISE FLIGHT, THE PILOT/OWNER REPORTED THE ENGINE BEGAN RUNNING ROUGH WITH ASSOCIATED LOSS OF POWER. EXECUTED AN UNSCHEDULED LANDING AT PWM AIR - [SDR 2024FA0000504](https://openairdocs.org/sdr/2024FA0000504), Jul 17, 2024: CYLINDER. CRACKED. THE EXHAUST ROCKER ARM AND CYLINDER CASTING SEPARATED FROM CYLINDER IN CRUISE FLIGHT. POWER WAS REDUCED AND AIRCRAFT LANDED AT AN ALTERNATE AIRPORT. - [SDR 2024FA0000424](https://openairdocs.org/sdr/2024FA0000424), Jun 5, 2024: FILTER. MELTED. PRESSURIZED MAGNETO AIR SOURCE FILTER MELTED/DEFORMED. IF CONTINUED COULD CAUSE BLOCKAGE OF AIR TO MAGNETO CAUSING PREMATURE MAGNETO FAILURE. PROBLEM SEEMS TO C - [SDR 2024FA0000422](https://openairdocs.org/sdr/2024FA0000422), Jun 4, 2024: CONNECTING ROD. FAILED. ENGINE WAS DISASSEMBLED FOR INSPECTION DUE TO PROPELLER STRIKE. UPON DISASSEMBLY IT WAS NOTED THAT THE CONNECTING ROD BUSHING HAS MIGRATED PARTLY OUT OF THE BOR - [SDR 2024FA0000326](https://openairdocs.org/sdr/2024FA0000326), Apr 13, 2024: LANDING GEAR. BROKEN. ON LANDING AT SCOTTSDALE AIRPORT KSDL, AIRCRAFT EXPERIENCED A NOSE GEAR FAILURE. NOSE GEAR BROKE AFT OF THE ACTUATOR ATTACH POINT, FOLDED UNDER THE ENGINE TO TH - [SDR 2024FA0000074](https://openairdocs.org/sdr/2024FA0000074), Jan 13, 2024: MAGNETO. BROKEN. ON APPROACH INTO KCPR FROM U68 THE PILOT OBSERVED ENGINE BEGAN TO RUN ROUGH FOLLOWED BY EGT AND CHT TEMPERATURES DRASTICALLY INCREASE. THE PILOT LANDED AT KCPR - [SDR 2023FA0000764](https://openairdocs.org/sdr/2023FA0000764), Nov 20, 2023: MAGNETO. DEFECTIVE. ON TAKEOFF ENGINE RAN ROUGH AND PIC RETURNED TO FIELD. THE RIGHT MAGNETO IMPULSE WAS FOUND TO BE INOPERATIVE ALONG WITH A FAILED #4 IGNITION PLUG. BOTH UNITS WE - [SDR 2023FA0000762](https://openairdocs.org/sdr/2023FA0000762), Nov 16, 2023: SPRING. DESTROYED. PROPELLER EXHIBITED SEVERAL LOOSE BLADES IN THE HUB UPON INSPECTION AFTER PICKUP FROM THE FACTORY SERVICE CENTER IN KNOXVILLE TN POST ANNUAL. THIS WAS TOLD TO B - [SDR 2023FA0000564](https://openairdocs.org/sdr/2023FA0000564), Sep 21, 2023: CYLINDER HEAD. CRACKED. CRACKED #5 CYLINDER HEAD - [SDR 2023FA0000149](https://openairdocs.org/sdr/2023FA0000149), Mar 21, 2023: DRIVE UNIT. STRIPPED. AFTER AN UNSCHEDULED LANDING BECAUSE OF A LEFT MAGNETO PROBLEM, MAINTENANCE FOUND THE A/C DRIVE PULLEY TO SPLINE SHAFT MISSING 3 OF 4 MOUNTING BOLTS. FOUND THRE - [SDR 2023FA0000044](https://openairdocs.org/sdr/2023FA0000044), Jan 10, 2023: GEAR. BROKEN. ENGINE SUFFERED LOSS OF POWER, ENGINE OUT DURING CRUISE AT 23K. TURBOCHARGED ENGINE RUNNING LEAN OF PEAK PER POH. PILOT REPORTED CHECKING MAGNETOS DURING DESCEN - [SDR 2022FA0000571](https://openairdocs.org/sdr/2022FA0000571), Oct 6, 2022: LUG. SHEARED. LEFT HAND BRAKE ROTOR MOUNT LANGE SHEARED CAUSING THE BRAKE TO FAIL. - [SDR 2022FA0000565](https://openairdocs.org/sdr/2022FA0000565), Aug 31, 2022: BRAKE DISC. FAILED. RIGHT HAND BRAKE ROTOR MOUNT LUG SHEAVED CAUSING BRAKE TO FAIL - [SDR 2022FA0000462](https://openairdocs.org/sdr/2022FA0000462), Aug 18, 2022: NONE. NONE. FLIGHT WALK AROUND NOTICED PROP WAS DAMAGED. SHOP WILL TAKE ACTIONS TO REPAIR PLANE IN COMING WEEKS. NO DEFECT IN ANY PARTS ON PLANE UNTIL AFTER ATTEMPTING LAND - [SDR VPEA20224213153](https://openairdocs.org/sdr/VPEA20224213153), Apr 19, 2022: CYLINDER HEAD. BROKEN. DURING FLIGHT BACK TO COD. ENGINE STARTED RUNNING ROUGH WITH POWER LOSS OIL PRESSURE DROPPED TO 9 PSI. ONCE IN MX IT WAS DISCOVERED THE #2 CYLINDER EXHAUST SIDE - [SDR 2022FA0000095](https://openairdocs.org/sdr/2022FA0000095), Feb 22, 2022: NONE. NONE. N428AN JUST CAME OUT OF SERVICE AT EDWARDS JET CENTER FOR A CHECK VALVE NOT CLOSING ALL THE WAY AFTER SHUT-DOWN. IT WAS DISCOVERED THAT A VERY SMALL PIECE OF FI - [SDR 2022FA0000046](https://openairdocs.org/sdr/2022FA0000046), Jan 26, 2022: MAGNETO. MALFUNCTIONED. AIRCRAFT SUFFERED ENGINE POWER LOSS DUE TO A MALFUNCTIONING LEFT HAND MAGNETO. - [SDR 2021FA0000299](https://openairdocs.org/sdr/2021FA0000299), Oct 1, 2021: NONE. MELTED. INVESTIGATION OF PITOT HEAT/STALL VANE HEAT ELECTRICAL SYSTEM FOUND RELAY BASE CIRRUS WDM ID "P1383" MFG TE 27E487 AND RELAY K1383" MFG P/N K10P-11D15-24 SUPPLI All 70: https://openairdocs.org/model/hanger-9-sr-22t/reports.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Cirrus Design SR22T](https://openairdocs.org/model/cirrus-design-sr22t): 3,075 registered aircraft, registry code 2130004 --- 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.