# N956AS: 1978 Cessna T337H

- Status: Valid registration
- Airframe: [Cessna T337H](https://openairdocs.org/model/cessna-t337h) (registry code 2075733, 6 seats)
- Engine: [Continental TSIO-360 series](https://openairdocs.org/engine/continental-tsio-360-series) (registry code 17019)
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE) (Textron Aviation Inc.), [TCDS E9CE](https://openairdocs.org/tcds/E9CE) (Continental Aerospace Technologies, Inc.) (OpenAirDocs)
- Serial number: 33701848
- Year built: 1978
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 17, 1978
- Certificate issued: November 4, 2022
- Expires: November 30, 2029
- Mode S code: AD4B02
- Registered owner: [A2g International LLC](https://openairdocs.org/faa-owner/A2G%20INTERNATIONAL%20LLC)
- Location: [San Juan Capo, CA](https://openairdocs.org/faa-place/CA/San%20Juan%20Capo)
- Owner type: LLC
- Owner's area on the map: 33.4998° N, 117.6537° W: Placed by OpenAirDocs at the center of ZIP code 92675, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=956AS
- Page: https://openairdocs.org/aircraft/N956AS

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Continental TSIO-360 model are included.

## ADs that may apply (OpenAirDocs): 37 in force

### Matched by airframe (Cessna T337H)

- [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2011-10-09](https://openairdocs.org/ad/2011-10-09): Seat Rails and Roller Housing Inspections · Cessna 150A, 150B, 150C and 221 more. Effective Jun 17, 2011
- [AD 2010-21-18](https://openairdocs.org/ad/2010-21-18): Wings · Wing tip extension fuel tanks (Aviation Enterprises STC SA02055AT or 3 others). Effective Nov 3, 2010
- [AD 2008-26-10](https://openairdocs.org/ad/2008-26-10): Alternate static air source selector valve · Cessna 172, 172A, 172B and 179 more. Effective Jan 5, 2009
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2000-06-01](https://openairdocs.org/ad/2000-06-01): Fuel Strainer Assembly · Cessna 150F, 150G, 150H and 163 more. Effective May 5, 2000
- [AD 97-01-13](https://openairdocs.org/ad/97-01-13): Fuel, Oil and Hydraulic Hoses · Cessna 150, 150A, 150B and 232 more. Effective Feb 3, 1997
- [AD 79-10-14 R1](https://openairdocs.org/ad/79-10-14-R1): Fuel Tank Venting · Cessna 140A, 150, 150A and 172 more. Effective May 30, 1988
- [AD 78-20-12](https://openairdocs.org/ad/78-20-12): Aircraft Tires · Cessna 336, 337, T337B and 15 more. Effective Oct 5, 1978
- [AD 78-09-05](https://openairdocs.org/ad/78-09-05): Wing Spar Caps and Web Doublers · Cessna 336, 337, 337A and 16 more. Effective May 11, 1978
- [AD 77-08-05](https://openairdocs.org/ad/77-08-05): Single Engine Takeoffs · Cessna 337, 337A, 337B and 15 more. Effective Apr 28, 1977

### Matched by engine (Continental TSIO-360 series)

- [AD 2023-17-04](https://openairdocs.org/ad/2023-17-04): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Oct 26, 2023
- [AD 2023-05-16](https://openairdocs.org/ad/2023-05-16): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 147 more. Effective Mar 15, 2023
- [AD 2013-21-02](https://openairdocs.org/ad/2013-21-02): Turbochargers · Continental Motors LTSIO-360-RB, TSIO-360-MB, TSIO-360-RB and 2 more. Effective Nov 13, 2013
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2011-26-07](https://openairdocs.org/ad/2011-26-07): Engine · Continental Motors C-125-1, C-125-2, C145-2 and 48 more. Effective Jan 24, 2012
- [AD 2011-13-03](https://openairdocs.org/ad/2011-13-03): Turbocharger Turbine · Lycoming Engines LTO-360-E1A6D, O-540-L3C5D, TIGO-541-E1A and 20 more. Effective Jul 13, 2011
- [AD 2010-11-04](https://openairdocs.org/ad/2010-11-04): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 190 more. Effective Jun 16, 2010
- [AD 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 164 more. Effective Dec 12, 2000
- [AD 98-19-02](https://openairdocs.org/ad/98-19-02): Piston Pins · Continental Motors IO-360-A, IO-360-AB, IO-360-C and 31 more. Effective Nov 9, 1998
- [AD 97-26-17](https://openairdocs.org/ad/97-26-17): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 90 more. Effective Jan 23, 1998
- [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995
- [AD 95-08-10](https://openairdocs.org/ad/95-08-10): Oil Outlet Check Valve · Continental Motors LTSIO-360-E, LTSIO-360-EB, LTSIO-360-KB and 9 more. Effective Jul 10, 1995
- [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993
- [AD 92-04-09](https://openairdocs.org/ad/92-04-09): Rocker Shaft Hold Down Stud · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 41 more. Effective Jun 22, 1993
- [AD 91-19-03](https://openairdocs.org/ad/91-19-03): Oil Filter · Continental Motors 6-285-A, 6-285-B, 6-285-BA and 169 more. Effective Sep 29, 1991
- [AD 88-03-06](https://openairdocs.org/ad/88-03-06): Oil Filter · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 155 more. Effective Apr 15, 1988
- [AD 81-13-10 R1](https://openairdocs.org/ad/81-13-10-R1): Oil Pressure · Continental Motors IO-360-A, IO-360-AB, IO-360-C and 28 more. Effective Nov 20, 1981
- [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981
- [AD 74-18-08](https://openairdocs.org/ad/74-18-08): Fuel Nozzle Lines · Continental Motors TSIO-360-C and TSIO-360-D. Effective Aug 30, 1974
- [AD 74-18-07](https://openairdocs.org/ad/74-18-07): Cylinder · Continental Motors IO-360-A, IO-360-C, IO-360-D and 3 more. Effective Aug 28, 1974
- [AD 71-09-03](https://openairdocs.org/ad/71-09-03): Gasket and/or Fuel Leakage · Continental Motors TSIO-360-A, TSIO-520-B, TSIO-520-D and 2 more. Effective Apr 29, 1971
- [AD 81-23-02](https://openairdocs.org/ad/81-23-02): Oil Filter Adapter Gasket · Continental Motors LTSIO-360-EB, LTSIO-360-KB, TSIO-360-EB and 2 more

### Historical (superseded or no longer in force)

- [AD 87-20-03 R2](https://openairdocs.org/ad/87-20-03-R2) (historical): Seat Tracks · Cessna 150A, 150B, 150C and 212 more. Effective Sep 24, 1990
- [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08) (historical): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 141 more. Effective Feb 23, 2023
- [AD 2022-04-04](https://openairdocs.org/ad/2022-04-04) (historical): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Mar 29, 2022
- [AD 2012-24-09](https://openairdocs.org/ad/2012-24-09) (historical): Turbocharger turbine wheel · Continental Motors TSIO-360-MB, TSIO-360-RB, TSIO-360-SB and 1 more. Effective Dec 20, 2012
- [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52) (historical): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 192 more
- [AD 2009-24-51](https://openairdocs.org/ad/2009-24-51) (historical): Hydraulic lifters · Teledyne Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 156 more
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2002-13-04](https://openairdocs.org/ad/2002-13-04) (historical): Magneto impulse coupling stop pin · Teledyne Continental Motors C-125-1, C-125-2, C145-2 and 48 more. Effective Jul 12, 2002
- [AD 2000-11-51](https://openairdocs.org/ad/2000-11-51) (historical): Magnetos · Teledyne Continental Motors IO-360 Series (all), LTSIO-520-AE, O-300-A and 21 more
- [AD 2000-08-51](https://openairdocs.org/ad/2000-08-51) (historical): Crankshaft · Teledyne Continental Motors IO-360-A, IO-360-AB, IO-360-B and 158 more
- [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more

## Information bulletins (advisory) (11 in force)

- [SAIB AIR-21-16](https://openairdocs.org/saib/AIR-21-16): FLIGHT COMPARTMENT EQUIPMENT, Cessna Seat Back Attachment Bolt Inspection. Issued Aug 26, 2021
- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018
- [SAIB CE-12-41](https://openairdocs.org/saib/CE-12-41): Flight Controls  Loose Glide Screw. Issued Aug 9, 2012
- [SAIB CE-12-14](https://openairdocs.org/saib/CE-12-14): Three Alternative Methods of Compliance for AD 2011-10-09. Issued Jan 25, 2012
- [SAIB CE-10-40R1](https://openairdocs.org/saib/CE-10-40R1): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes. Issued Jul 30, 2010
- [SAIB CE-09-10](https://openairdocs.org/saib/CE-09-10): Availability of Secondary Seat Stops for Pilot and Copilot Seats. Issued Feb 5, 2009
- [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016
- [SAIB NE-13-15](https://openairdocs.org/saib/NE-13-15): Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers. Issued Feb 8, 2013
- [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012
- [SAIB NE-10-09](https://openairdocs.org/saib/NE-10-09): Reciprocating Engine Power Section: Hydraulic Valve Lifters. Issued Nov 20, 2009
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009

## NTSB investigations

None matched to N956AS.

## FAA accident and incident reports

None matched to N956AS.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## Service difficulty reports on N956AS not matched to an aircraft (41)

They name N956AS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR ASAA0480486](https://openairdocs.org/sdr/ASAA0480486), Sep 2, 2004: LANYARD. DISCONNECTED. PRE-FLIGHT CHECK, AFT (TAIL) DOOR EMERGENCY SLIDE RELEASE LANYARD WAS FOUND DISCONNECTED. RECONNECTED LANYARD.
- [SDR ASAA9980196](https://openairdocs.org/sdr/ASAA9980196), Sep 27, 1999: POWER SUPPLY. INOPERATIVE. SEA - DURING MAINTENANCE CHECK, THE EMERGENCY FLOOR TRACK LIGHTS IN THE AFT CABIN WERE FOUND INOPERATIVE. REPLACED THE PWOER USPPLY AND OPERATED NORMALLY. (X)
- [SDR ASAA9980194](https://openairdocs.org/sdr/ASAA9980194), Sep 22, 1999: FUSE. FAILED. SEA - DURING MAINTENANCE CHECK, THE EMERGENCY FLOOR TRACK LIGHTS IN THE AFT CABIN WERE FOUND INOPERATIVE. REPLACED THE FUSE IN THE POWER SUPPLY AND OPERATED NOR
- [SDR ASAA9980161](https://openairdocs.org/sdr/ASAA9980161), Jul 21, 1999: POWER SUPPLY. DEFECTIVE. SEA - DURING MAINTENANCE CHECK, THE EMERGENCY FLOOR TRACK LIGHTS IN THE AFT CABIN WERE FOUND INOPERATIVE. REPLACED THE POWER SUPPLY AND OPERATED NORMALLY. (M)
- [SDR ASAA9980079](https://openairdocs.org/sdr/ASAA9980079), Apr 9, 1999: MECHANISM. OUT OF ADJUST. OAK - DURING C-CHECK, THE R1 DOOR WAS FOUND DIFFICULT TO OPEN. RERIGGED THE R1 DOOR IAW DC9 MM AND OPERATED NORMALLY. (M)
- [SDR ASAA9880207](https://openairdocs.org/sdr/ASAA9880207), Oct 11, 1998: POWER SUPPLY. INOP. SEA - DURING MAINTENANCE CHECK, THE AFT OVERWING EMERGENCY EXIT IDENTIFIERS ILLUMINATE WITH ELECTRIC POWER OFF. REPLACED THE POWER SUPPLY AND OPERATED NORMALLY.
- [SDR ASAA9880206](https://openairdocs.org/sdr/ASAA9880206), Oct 11, 1998: BATTERY. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE FORWARD OVERWING EMERGENCY EXIT IDENTIFIERS WERE FOUND INOPERATIVE. REPLACED THE BATTERIES IN THE POWER SUPPLY AND OPERATED 
- [SDR ASAA9880184](https://openairdocs.org/sdr/ASAA9880184), Sep 21, 1998: BATTERY. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE AFT OVERWING EMERGENCY EXIT IDENTIFIERS WERE FOUND DIM. REPLACED THE BATTERIES IN THE POWER SUPPLY AND OPERATED NORMALLY. (M
- [SDR ASAA9880183](https://openairdocs.org/sdr/ASAA9880183), Sep 21, 1998: BATTERY. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE FORWARD OVERWING EMERGENCY EXIT IDENTIFIERS WERE FOUND INOPERATIVE. REPLACED THE BATTERIES IN THE POWER SUPPLY AND OPERATED 
- [SDR ASAA9880172](https://openairdocs.org/sdr/ASAA9880172), Sep 8, 1998: HOLD OPEN. LOOSE. PDX - PRIOR TO DEPARTURE OF FLIGHT 462, CREW REPORTED THE L1 DOOR WOULD NOT RELEASED FROM THE HOLD OPEN POSITION. FOUND DOOR HOLD OPEN MECHANISM PUSH-PULL TUBE 
- [SDR ASAA9880148](https://openairdocs.org/sdr/ASAA9880148), Aug 14, 1998: WINDOW. LACK OF LUBE. SEA - AFTER ARRIVAL OF FLT 721 - CREW REPORTED THE FLIGHT COMPARTMENT LT SLIDING WINDOW WOULD NOT OPEN. LUBRICATED THE WINDOW OPERATING MECHANISM AND OPERATED N
- [SDR ASAA9880109](https://openairdocs.org/sdr/ASAA9880109), Jun 21, 1998: WINDOW. LACK OF LUBE. SEA - AFTER ARRIVAL OF FLT 543, CREW REPORTED THE FLIGHT COMPARTMENT LEFT SLIDING WINDOW WOULD NOT OPEN. LUBRICATED THE WINDOW MECHANISM AND OPERATED NORMALLY. 
- [SDR ASAA9880094](https://openairdocs.org/sdr/ASAA9880094), May 28, 1998: PIN. OUT OF ADJUST. SEA - FLT 583 - AFTER ARRIVAL, CREW REPORTED THE CAPTAINS SLIDING WINDOW DIFFICULT TO OPEN. FOUND UPPER GUIDE PIN OUT OF TRACK. REPOSITIONED PIN AND RESEQUENCED
- [SDR ASAA9880082](https://openairdocs.org/sdr/ASAA9880082), May 11, 1998: WINDOW. OUT OF TRACK. PDX - AFTER ARRIVAL OF FLT 405 - CREW REPORTED THE FLIGHT COMPARTMENT LEFT SLIDING WINDOW WOULD NOT OPEN. REPOSITIONED WINDOW MECHANISM UPPER GUIDE PIN BACK INT
- [SDR ASAA9880029](https://openairdocs.org/sdr/ASAA9880029), Feb 16, 1998: MECHANISM. DAMAGED. SEA - FLT 722 - AFTER ARRIVAL, CREW REPORTED THE L1 DOOR WAS DIFFICULT TO OPEN. FOUND THE L1 DOOR AND MECHANISM DAMAGED, POSSIBLE CONTACT BY JETWAY. REMOVED AND
- [SDR ASAA9880024](https://openairdocs.org/sdr/ASAA9880024), Feb 3, 1998: FITTING. CRACKED. OAK - DURING 30K CHECK, CRACKS WERE FOUND IN FORWARD CARGO COMPARTMENT DOOR INNER FRAME SUPPORT 'T' ANGLE AND FORWARD LOWER STRIKER FITTING. STOP DRILLED CRACKS
- [SDR ASAA9880023](https://openairdocs.org/sdr/ASAA9880023), Feb 3, 1998: FRAME. CRACKED. OAK - DURING 30K CHECK, CRACK WAS FOUND IN FORWARD CARGO COMPARTMENT DOOR FRAME IN RADIUS AT FORWARD UPPER STRIKER. STOP DRILLED CRACK AND INSTALLED DOUBLER IAW
- [SDR ASAA9880008](https://openairdocs.org/sdr/ASAA9880008), Jan 12, 1998: MEMBRANE. CORRODED. OAK - DURING 30K CHECK, CORROSION WAS FOUND ON FLOOR MEMBRANE UNDER GALLEY 2 INBOARD MOUNT AT FS 229. REPAIRED WITH DOUBLER IAW ASA EA 5320-01203. (M)
- [SDR ASAA9780286](https://openairdocs.org/sdr/ASAA9780286), Dec 14, 1997: LIGHT. DEFECTIVE. PDX - DURING MAINTENANCE CHECK, THE FORWARD PORTABLE EMERGENCY LIGHT WAS FOUND INOPERATIVE. REPLACED THE LIGHT ASSEMBLY AND OPERATED NORMALLY. PART TOTAL CYCLES
- [SDR ASAA9780277](https://openairdocs.org/sdr/ASAA9780277), Dec 1, 1997: SKIN. GOUGED. ONT - DURING CARGO LOADING OF FLT 595, THE LOWER FUSELAGE SKIN WAS DAMAGED AFT OF AFT CARGO COMPARTMENT DOOR BY CONTACT FROM BELTLOADER. ACCOMPLISHED INTERIM RE
- [SDR ASAA9780157](https://openairdocs.org/sdr/ASAA9780157), Jul 24, 1997: BATTERIES. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE OVERHEAD EMERGENCY LIGHTS FROM ROWS 6 TO 10 WERE FOUND INOPERATIVE. REPLACED THE BATTERIES IN THE POWER SUPPLY AND OPERATED 
- [SDR ASAA9780152](https://openairdocs.org/sdr/ASAA9780152), Jul 18, 1997: DOUBLER. CRACKED. SEA - DURING MAINTENANCE CHECK, FOUND CRACK ON NLG AFT DOOR HINGE CUTOUT DOUBLER. STOP DRILLED CRACK IAW ASA EA 5330-01301. (M)
- [SDR ASAA9780065](https://openairdocs.org/sdr/ASAA9780065), Apr 22, 1997: CYLINDER. CRACKED. OAK - DURING C-CHECK, THE LEFT MLG LOWER CYLINDER FORWARD OUTBOARD BRAKE LUG WAS FOUND CRACKED. REPLACED THE LT MLG LOWER CYCLINDER. (M)
- [SDR ASAA9680223](https://openairdocs.org/sdr/ASAA9680223), Oct 10, 1996: INFLATION BOTTLE. LOW PRESSURE. PDX - DURING MAINTENANCE CHECK, THE L-2 DOOR EVACUATION SLIDE INFLATION BOTTLE PRESSURE WAS FOUND LOW. REPLACED EVACUATION SLIDE ASSEMBLY. (M)
- [SDR ASAA9680150](https://openairdocs.org/sdr/ASAA9680150), Jul 9, 1996: LIGHT. DEFECTIVE. SEA - DURING MAINTENANCE CHECK, THE FORWARD OVERHEAD EMERGENCYLIGHT IN THE TAILCONE AREA WAS FOUND INOPERATIVE. REPLACED THE LIGHTASSEMBLY AND OPERATED NORMALLY
- [SDR ASAA9680142](https://openairdocs.org/sdr/ASAA9680142), Jun 30, 1996: LIGHT. DEFECTIVE. SEA - DURING MAINTENANCE CHECK, THE FORWARD PORTABLE EMERGENCY LIGHT CHARGE LAMP WAS FOUND INOPERATIVE. REPLACED THE LIGHT ASSEMBLY AND OPERATED NORMALLY. (M)
- [SDR ASAA9680141](https://openairdocs.org/sdr/ASAA9680141), Jun 30, 1996: BATTERIES. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE OVERHEAD EMERGENCY LIGHTS IN THE FORWARD CABIN WERE FOUND INOPERATIVE. REPLACED THE ABTTERIES AND OPERATED NORMALLY. (M)
- [SDR ASAA9680138](https://openairdocs.org/sdr/ASAA9680138), Jun 16, 1996: MECHANISM. OUT OF ADJUST. SEAT - PRIOR TO ARRIVAL OF FLIGHT 511 - CREW REPORTED, THE LANDING GEAR HANDLE COULD NOT BE MOVED TO THE UP POSITION ON THE FIRST ATTEMPT AFTER TAKEOFF FROM SAN
- [SDR ASAA9680092](https://openairdocs.org/sdr/ASAA9680092), Apr 8, 1996: GRD SENSE CABLE. OUT OF ADJUST. SFO - UPON ARRIVAL OF FLT 430 - CREW REPORTED THE LANDING GEAR HANDLE WOULD NOT MOVE TO UP POSITION, USED GEAR HANDLE RELEASE BUTTON TO MOVE GEAR HANDLE TO UP P
- [SDR ASAA9680060](https://openairdocs.org/sdr/ASAA9680060), Feb 24, 1996: BATTERIES. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE OVERHEAD EMERGENCY LIGHTS IN THE AFT GALLEY AREA WERE FOUND INOPERATIVE. REPLACED THE BATTERIES AND OPERATED NORMALLY. (M)
- [SDR ASAA9680036](https://openairdocs.org/sdr/ASAA9680036), Jan 25, 1996: DOORS. UNLATCHED. LAX - AIR TURN BACK OF FLT 505 - CREW REPORTED SEVERE VIBRATION FROM NOSE AREA, AFTER LANDING GEAR RETRACTION VIBRATION INCREASED AS AIRSPEED INCREASED. LOWERED
- [SDR ASAA9580251](https://openairdocs.org/sdr/ASAA9580251), Oct 31, 1995: DOOR LINK. OUT OF ADJUST. SAN - FLT 9000 - PRIOR TO DEPARTURE, CREW REPORTED THE L1 DOOR WOULD NOT CLOSE AND LATCH. RESET L1 DOOR LINK AND CYCLED DOOR AND OPERATED NORMALLY. (X)
- [SDR ASAA9580209](https://openairdocs.org/sdr/ASAA9580209), Sep 30, 1995: EEL CONNECTOR. DEFECTIVE. SEA - DURING MAINTENANCE CHECK, THE MIDDLE OVERHEAD EMERGENCY LIGHT ABOVE THE CATWALK WAS FOUND INOPERATIVE. REPAIRED CONNECTOR TO LIGHT ASSEMBLY AND OPERATED N
- [SDR ASAA9580172](https://openairdocs.org/sdr/ASAA9580172), Jul 31, 1995: MECHANISM. OUT OF SEQUENCE. SAN - PRIOR TO DEPARTURE OF FLT 325, GROUND CREW REPORTED FORWARD ENTRY DOOR WOULD NOT CLOSE PROPERLY. INSPECTED DOOR AND FOUND TO BE OUT OF SEQUENCE. CYCLED DO
- [SDR ASAA9580131](https://openairdocs.org/sdr/ASAA9580131), May 30, 1995: EEL BATTERIES. DISCHARGED. SEA - DURING MAINTENANCE CHECK, THE OVERHEAD EMERGENCY LIGHTS FROM ROWS 25 TO 27 WERE FOUND INOPERATIVE. REPLACED THE BATTERIES AND LIGHTS OPERATED NORMALLY. (M
- [SDR ASAA9580058](https://openairdocs.org/sdr/ASAA9580058), Mar 25, 1995: EEL BATTERY. DISCHARGED. THREE CEILING EMERGENCY EXIT LIGHTS INOP AT ROWS 7-9. MAINTENANCE REMOVED AND REPLACED BATTERIES IN EMERGENCY LIGHT BATTERY PACK. (W)
- [SDR ASAA9580046](https://openairdocs.org/sdr/ASAA9580046), Mar 11, 1995: EEL TERMINAL. MISSING. SEA - DURING MAINTENANCE CHECK, AN OVERHEAD EMERGENCY LIGHT IN THE TAILCONE WAS FOUND INOPERATIVE. INSTALLED MISSING TERMINAL SCREW ON LIGHT ASSEMBLY AND LIGHT 
- [SDR ASAA95008](https://openairdocs.org/sdr/ASAA95008), Jan 4, 1995: EEL BATT CHARGER. DEFECTIVE. PDX - FLT 338 - PRIOR TO DEPARTURE, CREW REPORTED THE EMERGENCY EXIT FLOOR TRACK LIGHTS REMAINED ILLUMINATED AFT OF ROW 10 WITH EMERGENCY LIGHT ARMED OR OFF. RE
- [SDR ASAA95007](https://openairdocs.org/sdr/ASAA95007), Jan 4, 1995: EEL BATTERY PACK. DISCHARGED. OAK - FLT 436 - ON ARRIVAL, CREW REPORTED THE EMERGENCY EXIT FLOOR TRACK LIGHTS ILLUMINATED AFT OF ROW 10 DURING DESCENT. REPLACED BATTERY PACK AND LIGHTS OPERA
- [SDR 95ZZZW28](https://openairdocs.org/sdr/95ZZZW28), Jan 4, 1995: EEL BATTERY PACK. DISCHARGED. PDX - PRIOR TO DEPARTURE OF FLIGHT NR 338, CREW REPORTED THE EMERGENCY EXIT FLOOR TRACK LIGHTS REMAINED ILLUMINATED AFT OF ROW 10 WITH EMERGENCY LIGHT ARMED OR 
- [SDR ASAA95006](https://openairdocs.org/sdr/ASAA95006), Jan 3, 1995: HANDLE. LACK OF LUBE. PDX - FLT 337 - CREW REPORTED THE L-1 DOOR HANDLE WAS DIFFICULT TO CLOSE. LUBED LOWER RIGHT LATCH AND DOOR OPERATED NORMALLY. (W)

## STCs that may be installed (OpenAirDocs) (228, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Cessna T337H)

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC. Lists 337 Series
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine
- [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc
- [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine
- [STC SA00897WI](https://openairdocs.org/stc/SA00897WI): Installation of Concorde Battery Corporation (VRSLA) Valve regulated sealed lead acid battery. Aero-Mach Wilco LLC
- [STC SA2821CE](https://openairdocs.org/stc/SA2821CE): Installation of wing tips. Curry Aviation LLC
- [STC SA937CE](https://openairdocs.org/stc/SA937CE): Installation of leading edge cuffs, stall fences, droop wing tips, and vortex generators on rear engine lower cowling. Curry Aviation LLC
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc
- [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King)
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA09120AC-D](https://openairdocs.org/stc/SA09120AC-D): Installation of S-TEC System 55/55X Two Axis automatic flight guidance system, Model ST-603. S-TEC Corporation
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC ST02307CH](https://openairdocs.org/stc/ST02307CH): Installation of Rudder Pedal Extensions. Flight Boss Ltd
- [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA2858SO](https://openairdocs.org/stc/SA2858SO): Installation of a FLIR airborne surveilance system. Air USA Inc
- [STC SA01560WI-D](https://openairdocs.org/stc/SA01560WI-D): Installation of the Honeywell KFD 840 Primary Flight Display System. Honeywell International Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA03286CH](https://openairdocs.org/stc/SA03286CH): Install an electronic engine ignition system. Electroair Acquisition Corporation
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA32RM](https://openairdocs.org/stc/SA32RM): Installation of electrically driven freon air-conditioning system. Air Comm Corporation
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA00744DE](https://openairdocs.org/stc/SA00744DE): Installation of the Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor. Peregrine
- [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc
- [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation
- [STC SA01828SE](https://openairdocs.org/stc/SA01828SE): Installation of J.P. Instruments (JPI) EDM-960 Primary Engine Data Management System. J. P. Instruments
- [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc

All 228: https://openairdocs.org/aircraft/N956AS/stcs.md

## Related

- Other Cessna T337H aircraft: https://openairdocs.org/model/cessna-t337h/aircraft.md
- The Continental TSIO-360 series engine: https://openairdocs.org/engine/continental-tsio-360-series.md

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