# Com-Jet, LLC.: FAA repair station DM4R133M - Type: FAA-certificated repair station (14 CFR Part 145) - Certificate number: DM4R133M - Designator: DM4R - Name on the FAA list: COM-JET, LLC. - Trade names: Sunvair Aircraft Systems - Address: 8235 NW 56 STREET, MIAMI, FL 33166 - Phone: (786) 251-8090 - Accountable manager: FOREMAN, MICHAEL A JR., (305) 592-3283, michael.foreman@sunvair.com - Liaison: RICH, SCOTT, (305) 592-3283, scott.rich@sunvair.com - Bilateral agreements: EASA, United Kingdom - On the FAA list: On the list of October 26, 2026; listed since October 26, 2026 or earlier (OpenAirDocs’ first copy) - Service difficulty reports filed: 34 - Source: FAA Find a Facility dashboard, https://www.faa.gov/av-info/facility-dashboard - Page: https://openairdocs.org/faa-repair-station/DM4R133M/com-jet-llc The FAA writes names in capitals; the mixed case here is OpenAirDocs'. The dashboard has no certificate dates, and nothing on it shows whether a certificate is in good standing. ## Ratings - Airframe: Limited - Accessory: Class 1 (Mechanical accessories); Class 2 (Electrical accessories); Class 3 (Electronic accessories) - Limited: Landing gear (Landing gear components); Nondestructive testing (Nondestructive inspection, testing and processing); Specialized services (A process its operations specifications name, such as plating or heat treating) A Limited class covers only the makes and models in the station's operations specifications (14 CFR 145.61), which the FAA doesn't publish. ## Service difficulty reports (34) Filed under designator DM4R by a repair station (submitter type B). - [SDR 98ZZZX2705](https://openairdocs.org/sdr/98ZZZX2705), Jun 18, 1998: Doug DC9. SIDE BRACE. CRACKED. A CRACK WAS FOUND AT THE SHANK END APPROXIMATELY 90 DEGREES FROM THE MLG. THE CRACK WAS 1 INCH LONG AND .015 INCH DEEP. - [SDR 98ZZZX2205](https://openairdocs.org/sdr/98ZZZX2205), Jun 3, 1998: Doug DC8*. DIAPHRAGM. DETERIORATED. AUXILIARY HYDRAULIC POWER SURGE DAMPER ACCUMULATOR TANK HAD NEW DIAPHRAGM INSTALLED IN NOVEMBER, 1997. UNIT INSTALLED IN - [SDR 98ZZZX2026](https://openairdocs.org/sdr/98ZZZX2026), May 13, 1998: Doug DC8F55. DIAPHRAGM. TORN. AUXILIARY HYDRAULIC POWER SURGE DAMPER ACCUMULATOR TANK HAD NEW DIAPHRAGM INSTALLED AT REPAIR. DIAPHRAGM FAILED (TORN) A (N801CK) - [SDR 98ZZZX1381](https://openairdocs.org/sdr/98ZZZX1381), Mar 23, 1998: Doug DC863. END BARREL. CRACKED. END BARREL (CAP) HAS TWO LARGE CRACKS (APPROXIMATELY 1.50 INCH LONG) PER INDICATOR TO THREADS. CRACKS ARE 180 DEGREES FR - [SDR 98ZZZX844](https://openairdocs.org/sdr/98ZZZX844), Feb 11, 1998: Doug DC10*. VALVE BODY. CRACKED. HAD SEVERAL INSTANCES WHERE FLIGHT CONTROL VALVE BODY WAS CRACKED. CRACK IS LOCATED IN THREAD RELIEF AREA. - [SDR 98ZZZX311](https://openairdocs.org/sdr/98ZZZX311), Jan 9, 1998: Doug DC8*. SUPPORT ASSY. CRACKED. INSPECTION FOUND THE AILERON CONTROL REVERSION ASSEMBLY HAS A CRACK ON BOTH SIDES OF THE SUPPORT ASSEMBLY. - [SDR 98ZZZX287](https://openairdocs.org/sdr/98ZZZX287), Jan 9, 1998: Doug DC8*. SUPPORT ASSY. CRACKED. THE AILERON CONTROL REVERSION ASSEMBLY HAS A CRACK ON BOTH SIDES OF THE SUPPORT ASSEMBLIES. - [SDR 97ZZZX4773](https://openairdocs.org/sdr/97ZZZX4773), Oct 31, 1997: Boeing 737232. BEARING. FAILED. FAN BEARING FAILED (BALL BEARING). BEARING CAME APART. ALSO, CAUSED DAMAGE TO END BELL 11840-1. 712.42 HOURS SINCE NEW P - [SDR 97ZZZX4772](https://openairdocs.org/sdr/97ZZZX4772), Oct 31, 1997: Boeing 727232. BEARING. FAILED. FAN BALL BEARING STARTING TO COME APART. PARTIAL FAILURE OF BEARING. 712.42 HOURS SINCE NEW PART INSTALLED. - [SDR 97ZZZX4771](https://openairdocs.org/sdr/97ZZZX4771), Oct 31, 1997: Boeing 7373T0. MANIFOLD. CHAFED. INSPECTION FOUND MANIFOLD ASSY OF DAMPER ASSY CHAFED DUE TO HOSE RUBBING ON OUTSIDE DIAMETER OF COMPENSATOR LOCATION. RE - [SDR 97ZZZX4649](https://openairdocs.org/sdr/97ZZZX4649), Oct 24, 1997: Doug DC851. ACME NUT. FAILED. ACME NUT THREADS STRIPPED MAKING LONGITUDINAL TRIM MECHANISM DRIVE UNIT TOTALLY INOPERABLE. THIS NUT DRIVES THE JACKSCEW (N508DC) - [SDR 97ZZZX3907](https://openairdocs.org/sdr/97ZZZX3907), Aug 27, 1997: Doug DC10*. RESISTOR. FAILED. RESISTORS FAILED CAUSING CSD LOAD CONTROLLER TO FAIL AND MAINTAIN PROPER CYCLES. THIS IS THE SECOND TYPE OF THIS FAILURE - [SDR 97ZZZX3906](https://openairdocs.org/sdr/97ZZZX3906), Aug 27, 1997: Doug DC10*. RESISTOR. FAILED. RESISTORS FAILED CAUSING CSD LOAD CONTROLLER TO FAIL AND MAINTAIN PROPER CYCLES. THIS IS THE SECOND TYPE OF THIS FAILURE - [SDR 97ZZZX3497](https://openairdocs.org/sdr/97ZZZX3497), Jul 28, 1997: Doug DC8*. DIAPHRAGM. TORN. NEW BLADDER DIAPHRAGM INSTALLED IN ACCUMULATOR JULY, 1996. UNIT FAILED JULY, 1997. BLADDER TORN AND LEAKING. THIRD TYPE - [SDR 97ZZZX1324](https://openairdocs.org/sdr/97ZZZX1324), Mar 21, 1997: BATTERY PACK. SHORTED. BATTERY PACK HAS SEVERAL SHORTED CELLS. BATTERY PACK WAS REPLACED NEW FROM MANUFACTURER ON 1-30-97. EMERGENCY LIGHTS CAM - [SDR 97ZZZX1205](https://openairdocs.org/sdr/97ZZZX1205), Mar 13, 1997: BATTERY PACK. MELTED. BATTERY PACK MELTED AND DETERIORATED. BATTERY PACK WAS REPLACED NEW FROM MANUFACTURER 1-29-97. APPROXIMATELY 30 DAYS IN - [SDR 97ZZZX1165](https://openairdocs.org/sdr/97ZZZX1165), Mar 10, 1997: Doug DC8*. DIAPHRAGM. TORN. AUXILIARY HYD POWER SURGE DAMPER ACCUMULATOR TANK HAD NEW DIAPHRAGM INSTALLED AT OVERHAUL. DIAPHRAGM FAILED (TORN) AFTER - [SDR 97ZZZX1164](https://openairdocs.org/sdr/97ZZZX1164), Mar 10, 1997: Doug DC8*. DIAPHRAGM. TORN. AUXILIARY HYD POWER SURGE DAMPER ACCUMULATOR TANK HAD NEW DIAPHRAGM INSTALLED AT OVERHAUL. DIAPHRAGM FAILED (TORN) AFTER - [SDR 97ZZZX1132](https://openairdocs.org/sdr/97ZZZX1132), Mar 3, 1997: Boeing 727225. SPRING. MISSING. UPON DISASSEMBLY OF ELEVATOR POWER CONTROL UNIT, IT WAS NOTED THAT THE CENTERING SPRING WAS MISSING. (NOT INSTALLED AT L - [SDR 97ZZZX840](https://openairdocs.org/sdr/97ZZZX840), Feb 6, 1997: Doug DC8*. BARREL. BROKEN. FLAP ACTUATOR CYLINDER BARREL RECEIVED BROKEN AT CRANK MOUNT BORE. SUSPECT CAUSE IS METAL FATIGUE DUE TO CORROSION. - [SDR 97ZZZX582](https://openairdocs.org/sdr/97ZZZX582), Jan 15, 1997: Boeing 727. VALVE BODY. CRACKED. SEQUENCE VALVE BODY HAS FATIGUE CRACK NEAR PORT VC AND LEAKS WITH 2,500 PSI APPLIED. BODY IS ALUMINUM. CASTING UNIT HAS - [SDR 96ZZZX6135](https://openairdocs.org/sdr/96ZZZX6135), Dec 10, 1996: END CAP. BLEW OFF. GAS END CAP BLEW OFF THE ASSY. DURING TEST, ON INSPECTION, FOUND PREVIOUS INTERNAL CRACK IN THE CIRCUMFERENCE ON THE I/D - [SDR 96ZZZX5451](https://openairdocs.org/sdr/96ZZZX5451), Oct 21, 1996: Doug DC8*. BELLCRANK. BROKEN. BELLCRANK ARRIVED BROKEN. SUSPECT CAUSE WAS STRESS AND CORROSION. - [SDR 96ZZZX5466](https://openairdocs.org/sdr/96ZZZX5466), Oct 17, 1996: Boeing 727. BEARING. FAILED. AVIONIC COOLING FAN BEARING FAILED AFTER 1,571.22 HRS OF OPERATION. INNER BALL RACE DISTORTED AND BALLS MISSING. FLIGHT - [SDR 97ZZZX811](https://openairdocs.org/sdr/97ZZZX811), Oct 16, 1996: Doug DC983. BEARING. FAILED. FAN BEARING FAILED. BEARING INNER RACE IS BLUE FROM HEAT. BEARING WILL NOT TURN. BEARING TT SINCE INSTALLATION 2127 HRS. - [SDR 96ZZZX5321](https://openairdocs.org/sdr/96ZZZX5321), Oct 7, 1996: Boeing 737*. INPUT GEAR. BINDING. FUEL SHUTOFF ACTUATOR ASSY WOULD STALL WITH A SLIGHT INWARD PRESSURE ON OUTPUT SHAFT. RECENTLY OVERHAULED BY ANOTHER REP - [SDR 96ZZZX4631](https://openairdocs.org/sdr/96ZZZX4631), Aug 27, 1996: Boeing 727. END BELL. WORN. FAN END BELL BEARING BORE WORN OVERSIZE AFTER 545.5 HOURS OF OPERATION. - [SDR 96ZZZX4714](https://openairdocs.org/sdr/96ZZZX4714), Aug 26, 1996: Lkheed 1011*. BODY. CORROSION. CONTROL SURFACE DAMPER'S ALUMINUM BODY HAS EXCESSIVE CORROSION IN THE INSIDE DIAMETER. - [SDR 96ZZZX4164](https://openairdocs.org/sdr/96ZZZX4164), Aug 9, 1996: Boeing 737210C. BEARING. FAILED. BEARING COMPLETELY DESTROYED. BEARING INSTALLED NEW AND FAILED AFTER 289.80 HOURS OF OPERATION. FAN TRIPPED CIRCUIT BREA - [SDR 96ZZZX4128](https://openairdocs.org/sdr/96ZZZX4128), Aug 8, 1996: Doug DC871F. DIAPHRAGM. RUPTURED. INSTALLED NEW DIAPHRAGM AND ACCUMULATOR INSTALLED IN AIRCRAFT 6-5-61. ACCUMULATOR REMOVED 7-25-96 FOR INTERNAL FAILURE. (N8076U) - [SDR 96ZZZX3387](https://openairdocs.org/sdr/96ZZZX3387), Jun 17, 1996: Doug DC8*. SEAL RING. FAILED. TEN EACH NEW SEALS WERE RECEIVED FROM THE AUTHORIZED DISTRIBUTOR FOR THE MANUFACTURER. THIS SEAL IS USED IN SKYDROL HYDR - [SDR 96ZZZX2504](https://openairdocs.org/sdr/96ZZZX2504), Apr 26, 1996: Doug DC862. CRANK ASSY. BROKEN. FLAP CRANK ASSY IS BROKEN ON LUG AREA WHERE BOLT P/N NAS1105-23 GOES THROUGH. SUSPECT CAUSE, METAL FATIGUE AND CORROSION - [SDR 96ZZZX1632](https://openairdocs.org/sdr/96ZZZX1632), Mar 15, 1996: Doug DC861. CRANK. BROKEN. CRANK RECIEVED WITH BROKEN LINK MOUNT. SUSPECT DUE TO HIGH STRESS IN THIS AREA AS WELL AS POSSIBLE METAL FATIGUE. - [SDR 96ZZZX1631](https://openairdocs.org/sdr/96ZZZX1631), Mar 15, 1996: Doug DC862. BEARING. BROKEN. BEARING ON FLAP ACTUATOR CYLINDER BARREL RECEIVED BROKEN. SUSPECT DUE TO HIGH STRESS IN THIS AREA AS WELL AS POSSIBLE ME --- 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.