# N538UA: Oklahoma State University TURBO ELECTRIC MUGIN

- Status: Valid registration
- Airframe: [Oklahoma State University TURBO ELECTRIC MUGIN](https://openairdocs.org/model/oklahoma-state-university-turbo-electric-mugin) (registry code 0610174)
- Serial number: OSU-TE-001
- Type: Fixed wing multi engine
- Engine type: Electric
- Certificate issued: August 28, 2020
- Expires: August 31, 2027
- Mode S code: A6CFE8
- Registered owner: [Oklahoma State University](https://openairdocs.org/faa-owner/OKLAHOMA%20STATE%20UNIVERSITY)
- Location: [Stillwater, OK](https://openairdocs.org/faa-place/OK/Stillwater)
- Owner type: Government
- Owner's area on the map: 36.1253° N, 97.0797° W: Placed by OpenAirDocs at the center of ZIP code 74078, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=538UA
- Page: https://openairdocs.org/aircraft/N538UA

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.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Oklahoma State University TURBO ELECTRIC MUGIN)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N538UA.

## FAA accident and incident reports

None matched to N538UA.

## 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 N538UA not matched to an aircraft (122, newest 50)

They name N538UA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR CALA2014060291192](https://openairdocs.org/sdr/CALA2014060291192), May 26, 2014: ACTUATOR. LEAKING. NUMBER 2 ENG DRIPPING FUEL, OIL LEAK IS 7 DROPS PER MINUTE OUT OF ACTUATOR DRIVE SHAFT LOWER INBD ACTUATOR. ON INSPECTION OF FLUID FOUND TO BE HYD FLUID, LEAKIN
- [SDR CALA2014052791165](https://openairdocs.org/sdr/CALA2014052791165), May 26, 2014: ACTUATOR. LEAKING. HYDRAULIC FLUID LEAKING FROM BOTTOM REVERSER ACTUATOR. LEAK IS 7 DROPS PER MINUTE OUT OF ACTUATOR DRIVE SHAFT LOWER INBD ACTUATOR.
- [SDR CALA2014041090798](https://openairdocs.org/sdr/CALA2014041090798), Apr 10, 2014: DOOR. NOT CLOSED. LEFT AFT ENTRY MSG ON EICAS & OVERHEAD. FOUND DOOR 4L NOT CLOSED, CYCLED DOOR. LIGHT OPERATIONS OK. ACCOMPLISHED SLIDE RENDER SAFE CHECK LIST.
- [SDR CALA2014032490687](https://openairdocs.org/sdr/CALA2014032490687), Mar 21, 2014: UNKNOWN. MALFUNCTIONED. MOMENTARY GEAR NOT DOWN EICAS MSG. GEAR HANDLE OFF, DURING DECENT THROUGH 17000. NO FAULTS FOUND ON ARRIVAL INTO DENVER. IAW FIM 31-51-00-815-817, SUSPECT LANDI
- [SDR CALA2014031990639](https://openairdocs.org/sdr/CALA2014031990639), Mar 17, 2014: PRINTER. FAULTY. ACARS PRINTER HAS BURNING SMELL & PAPER HAS DARK MARKS THAT MAKE SOME OF PRINT OUT UNREADABLE. REPLACED PRINTER IAW AMM 23-22-03, OPERATIONS CHECKED NORMAL.
- [SDR CALA2014022190417](https://openairdocs.org/sdr/CALA2014022190417), Feb 18, 2014: BUSHING. WORN. AFT RT DOOR SLIDE BLOWN, INSTALLED NEW DOOR SLIDE ON DOOR. GIRT BAR WILL NOT ARM PROPERLY. ADJUSTED FWD FLOOR FITTING INBD 3 TEETH, ARMING NOW PROPER. FOUND AFT
- [SDR CALA2014011390128](https://openairdocs.org/sdr/CALA2014011390128), Jan 12, 2014: FEEDER CABLE. DEFECTIVE. EMERGENCY EXIT LIGHT STRIP IN FRONT OF FIRST CLASS CLOSET & THE STRIP JUST AFT OF IT IS INOPERATIVE, COVER MISSING & TRACK LOOSE. REPLACED MOST FWD FEEDER CABLE
- [SDR CALA2013121693754](https://openairdocs.org/sdr/CALA2013121693754), Dec 15, 2013: COVER. DAMAGED. EMERGENCY FLOOR TRACK LIGHT COVER AT ROW 28 - 30 DAMAGED. INSTALLED EMERGENCY LIGHT COVER CLEAR LENS AT ROW 29, OK FOR SERVICE.
- [SDR CALA2013122093836](https://openairdocs.org/sdr/CALA2013122093836), Dec 13, 2013: DUCT. CONTAMINATED. CABIN BECAME HAZY SHORTLY AFTER TURNING APU BLEED ON & RT PACK ON. ACCOMPLISHED PACK BURNOUT IAW PG 204 THROUGH V AFTER CLEANOUT OF REHEATER & PACK DUCTS OF DEI
- [SDR CALA2013120993572](https://openairdocs.org/sdr/CALA2013120993572), Dec 8, 2013: SMOKE DETECTOR. ACTIVATED. LAVATORY 2L SMOKE DETECTOR ACTIVATED, RTFL.
- [SDR CALA2013120693519](https://openairdocs.org/sdr/CALA2013120693519), Dec 6, 2013: FILTER. DIRTY. MIST IN CABIN WHEN CREW ARRIVED CALLED MX. ACCOMPLISHED PACK BURNOUT. REPLACED RECIRCULATING FILTERS & EQUIPMENT COOLING FILTERS, CHECKED GOOD.
- [SDR CALA2013101592076](https://openairdocs.org/sdr/CALA2013101592076), Oct 15, 2013: PUMP. LEAKING. NR 1 ENG IS LEAKING FUEL OUT OF LOWER SIDE OF FUEL PUMP CASE TRANSFER TUBE JOINT. REMOVED FUEL PUMP & FUEL CONTROL, DISCONNECTED MAIN FUEL LINE.
- [SDR CALA2013100191635](https://openairdocs.org/sdr/CALA2013100191635), Sep 29, 2013: OXYGEN MASK. DAMAGED. FIRST OFFICER`S O2 MASK EMERGENCY PRESSURE KNOB BROKEN. SWAPPED OBSERVER'S SEAT 02 MASK TO FIRST OFFICER`S POSITION. FIRST OFFICER`S MASK NOW SERVICEABLE. DEFER
- [SDR CALA2013081690478](https://openairdocs.org/sdr/CALA2013081690478), Aug 15, 2013: INDICATION SYS. INACCURATE. FUEL INDICATOR NOT CORRECT, LT WING READS 0, RT READS 9.5. 
- [SDR CALA2013080690186](https://openairdocs.org/sdr/CALA2013080690186), Aug 4, 2013: GIRT BAR. OBSTRUCTED. R4 DOOR HARD TO ARM. INSPECTED DOOR ARMING MECHANISM. FOUND DEBRIS, REMOVED. ARMED DOOR SEVERAL TIMES, OPS GOOD.
- [SDR CALA2013080590136](https://openairdocs.org/sdr/CALA2013080590136), Aug 2, 2013: GIRT BAR. OBSTRUCTED. R4 DOOR CAN'T CLOSE AND AND DIFFICULT TO ARM. OPS CHECKED R4 DOOR. DID FIND DEBRIS IN GIRT BAR ANCHORS. CLEANED DOOR, OPS NORMAL AT THIS TIME.
- [SDR CALA2013082290682](https://openairdocs.org/sdr/CALA2013082290682), Aug 1, 2013: INDICATOR. MISSING. EMERGNECY EXIT LIGHT STRIP ADJACENT TO OW EXIT HATCH HAS ONLY ONE ORANGE OVERLAYING INDICATOR. THERE SHOULD BE TWO, ONE PER HATCH. INSTALLED NEW ORANGE OVERLAY 
- [SDR CALA2013073090081](https://openairdocs.org/sdr/CALA2013073090081), Jul 29, 2013: SWITCH. DAMAGED. AFT CARGO FIRE LIGHT DOES NOT ILLUMINATE DURING TEST. REPLACED AFT CARGO SWITCH BODY IAW MM, SYS OPS NORMAL.
- [SDR UALA2013072605266](https://openairdocs.org/sdr/UALA2013072605266), Jul 24, 2013: SKIN. CRACKED. NR 2 PYLON INBD STRUT SKIN CRACKED AT AFT HOLE INNER SURFACE SKIN 3-4 INCHES LENGTH. REMOVED REPAIR DOUBLER, STOP DRILLED CRACK, FABRICATED TWO DOUBLERS AND INS
- [SDR UALA2013072605265](https://openairdocs.org/sdr/UALA2013072605265), Jul 24, 2013: SKIN. CRACKED. NR 1 PYLON SKIN CRACKED AT FWD HOLE OUTER SKIN SURFACE. STOP DRILLED CRACK, FABRICATED TWO REPAIR DOUBLERS AND INSTALLED. MAJOR REPAIR.
- [SDR UALA2013072205105](https://openairdocs.org/sdr/UALA2013072205105), Jul 19, 2013: FLOORBEAM. DAMAGED. MAIN CABIN FLOORBEAM CORRODED AT BS 324, BETWEEN RBL 40-64. REMOVED DAMAGED SECTION OF TEE ANGLE, FABRICATED AND INSTALLED TEE ANGLE SPLICE REPAIR ANGLES AND ST
- [SDR UALA2013072205104](https://openairdocs.org/sdr/UALA2013072205104), Jul 19, 2013: FLOORBEAM. CORRODED. MAIN CABIN FLOORBEAM, BS 1640 BL 0 - RBL 60 CORRODED. REMOVED DAMAGED SECTION OF TEE ANGLE AND FABRICATED A NEW TEE ANGLE SECTION, SPLICE ANGLES AND STRAPS AND 
- [SDR UALA2013072205103](https://openairdocs.org/sdr/UALA2013072205103), Jul 19, 2013: WINDOW FRAME. CORRODED. SECOND WINDOW FRAME FWD OF LT FWD OVERWING HATCH HAS LIGHT CORROSION. REMOVED CORROSION AND MATERIAL REMAINING EXCEEDED LIMITS OF SRM 56-20-02. REMOVED WINDOW F
- [SDR UALA2013071504929](https://openairdocs.org/sdr/UALA2013071504929), Jul 13, 2013: FLOORBEAM. CORRODED. MAIN CABIN FLOORBEAM CORRODED, FOUND AT BS 365, LBL 2-RBL 64. FOUND OUT OF LIMITS. REPAIRED IAW SRM 53-00-51 REPAIR 8. CAT A REPAIR.
- [SDR UALA2013042502869](https://openairdocs.org/sdr/UALA2013042502869), Apr 24, 2013: FRAME. DENTED. AFT CARGO BAY FRAME DENTED BS 1420 S27L. CUT OUT DAMAGED AREA OF FRAME INBOARD FLANGE, AND FORMED A REPAIR ANGLE PER SRM 53-00-07, REPAIR 5. MAJOR REPAIR.
- [SDR UALA2013042502868](https://openairdocs.org/sdr/UALA2013042502868), Apr 24, 2013: FRAME. DENTED. AFT CARGO BAY FRAME DENTED BS 1540 S26L. CUT OUT DAMAGED SECTION OF INBOARD FLANGE, AND FORMED REPAIR ANGLE PER SRM 53-00-07, REPAIR 5. MAJOR REPAIR.
- [SDR UALA2013042502867](https://openairdocs.org/sdr/UALA2013042502867), Apr 24, 2013: FRAME. BENT. AFT CARGO BAY FRAME BENT BS 1400, S26-27L. REPAIRED DAMAGED FRAME IAW SRM 53-00-07 REPAIR 5 DETAIL I. MAJOR REPAIR.
- [SDR UALA2013041102465](https://openairdocs.org/sdr/UALA2013041102465), Apr 10, 2013: GIRT BAR. OBSTRUCTED. DOOR 4R EMERGENCY SLIDE UNABLE TO BE ARMED. CLEAN DEBRIS UNDER GIRT BAR AND CYCLE ARMING LEVER, OPS CHECKED GOOD.
- [SDR UALA2013032601920](https://openairdocs.org/sdr/UALA2013032601920), Mar 24, 2013: SPRING. FAULTY. R1 DOOR LOWER FWD HINGE COVER WILL NOT SPRING OUT. REMOVED THE HINGE COVER AND ALL PARTS, REPLACED SPRING .
- [SDR UALA2013032501861](https://openairdocs.org/sdr/UALA2013032501861), Mar 24, 2013: CHILLER. INOPERATIVE. GALLEY CHILLER INOPERATIVE. REMOVED AND REPLACED GALLEY CHILLER. OPS CHECKED NORMAL.
- [SDR UALA2013031301501](https://openairdocs.org/sdr/UALA2013031301501), Mar 8, 2013: WINDSHIELD. DELAMINATED. FIRST OFFICER'S WINDSHIELD'S VISIBILITY IS AFFECTED BY DEFECTS. DELAMINATED ON UPPER RIGHT CORNER 2 X 5 INCES. REPLACED NR 1 WINDSHIELD, OPS CHECKED OKAY.
- [SDR UALA2013031301500](https://openairdocs.org/sdr/UALA2013031301500), Mar 8, 2013: WINDSHIELD. DELAMINATED. FIRST OFFICER'S WINDSHIELD'S VISIBILITY IS AFFECTED BY DEFECTS. DELAMINATED ON UPPER RIGHT CORNER 2 X 5 INCHES. REPLACED NR 1 WINDSHIELD, OPS CHECKED OK.
- [SDR UALA2013021300866](https://openairdocs.org/sdr/UALA2013021300866), Feb 12, 2013: THRESHOLD. DAMAGED. AFT CARGO PIT ALUMINIUM THRESHOLD FLOOR PANEL HAD DAMAGE AT CENTER OF DOOR THRESHOLD APPROX ONE INCH INBOARD OF THRESHOLD.
- [SDR UALA2013021200844](https://openairdocs.org/sdr/UALA2013021200844), Feb 11, 2013: UNKNOWN. UNKNOWN. R4 DOOR FAILED TO ARM. DOOR ARMS ESCAPE SLIDE GIRT BAR ENGAGEMENT LIGHT INOPERATIVE. ACCOMPLISHED OPS CHECK OF DOOR ARMING PER AMM, OPS CHECKS GOOD.
- [SDR UALA2013020400686](https://openairdocs.org/sdr/UALA2013020400686), Feb 1, 2013: FUSE. LEAKING. FOUND HYD FUSE ASSY RIGHT MLG WHEEL WELL LEFT SYS LEAKING BEYOND DISPATCH LIMITS. REMOVED AND REPLACED LEAKING FUSE EXTENSION HYDRAULIC FLOW FUSE.
- [SDR UALA2013012100328](https://openairdocs.org/sdr/UALA2013012100328), Jan 17, 2013: LIGHT. INOPERATIVE. DURING EMERGENCY EXT LIGHT TEST FOUND DOORS 2R AND 4L EXIT LIGHTS INOPERATIVE. ACCOMPLISHED EMERGENCY LIGHT TEST, EXIT LIGHTS AT DOOR 2R AND 4L OP NORMAL.
- [SDR UALA2013010900142](https://openairdocs.org/sdr/UALA2013010900142), Jan 7, 2013: BRACKET. BROKEN. RAMP REPORTS PART FELL OUT OF FWD CARGO DOOR HANDLE AREA WHEN THEY OPENED THE DOOR. FOUND BRACKET FOR BUMPER UNDER DOOR HANDLE BROKEN. REPLACED BRACKET. OPS CHE
- [SDR UALA2012111606590](https://openairdocs.org/sdr/UALA2012111606590), Nov 14, 2012: GROUND WIRE. LOOSE. FORWARD RIGHT WING EMERGENCY LIGHT IS INOP. RELAMPED, NO HELP. FOUND GROUND WIRE FOR LIGHT ASSEMBLY L561 LOOSE ON GROUND STUD. TIGHTENED WIRE ON GROUND STUD. OP
- [SDR UALA2012101705943](https://openairdocs.org/sdr/UALA2012101705943), Oct 17, 2012: LINE. LEAKING. FUEL COMING OUT OF RIGHT WING DRYBAY HOLE NR 1, WHILE TROUBLESHOOTING WITH PUMPS ON FUEL COMING OUT OF HOLE. REPLACED DRY BAY NR 2 ENGINE FLEX FUEL FEED LINE, L
- [SDR UALA2012101505832](https://openairdocs.org/sdr/UALA2012101505832), Oct 14, 2012: STUD. STRIPPED. SEAT ROW 21ABC AFT LEGS SAFETY SCREWS STRI0PPED. REPLACED REAR STUD ASSY. REF AMM 25-25-92.
- [SDR UALA2012080704249](https://openairdocs.org/sdr/UALA2012080704249), Aug 5, 2012: UNKNOWN. ODOR. INTERMITTENT STRONG ELECTRICAL ODOR EMANATING FROM AREA FROM 2L TO MID CABIN. FLIGHT ATTENDANT DETECTED AN ELECTRICAL OR RUBBER ODOR, NO SMOKE, LOCALIZED AT DOO
- [SDR UALA2012071803905](https://openairdocs.org/sdr/UALA2012071803905), Jul 16, 2012: SMOKE GOGGLES. MISSING. FIRST OFFICER SMOKE GOGGLES MISSING. REPLACED SMOKE GOGGLES.
- [SDR UALA2012050402648](https://openairdocs.org/sdr/UALA2012050402648), May 3, 2012: HINGE FITTING. WORN. LEFT MLG DOOR AFT ATTACH FITTING BOLT HOLES WORN. OVERSIZED HOLES, HOLE FINAL SIZE IS .437,EM WITHIN LIMITS PER AVO 1283. REWORKED LT MLG DOOR AFT HINGE FITTING
- [SDR UALA2011122707117](https://openairdocs.org/sdr/UALA2011122707117), Dec 25, 2011: ADC. MALFUNCTIONED. ALTITUDE AND IAS DISAGREE. CAPTAIN`S AIR DATA SWITCH SELECTED RESTORES PROPER INDICATIONS. FOUND LEFT ADC FAULTING LEFT AOA, FOUND LEFT AOA STIFF, AND BINDING. 
- [SDR UALA2011121206788](https://openairdocs.org/sdr/UALA2011121206788), Dec 11, 2011: LIGHT. MISINSTALLED. EEL IMPROPERLY INSTALLED AT STA 891.75 TO STA 898.25. INSTALLED EEL STRIP AT BS 891.75 TO 898.25 PROPERLY IAW DRAWING 1SF6889- 504 & AMM 33-51-11.
- [SDR UALA2011121206787](https://openairdocs.org/sdr/UALA2011121206787), Dec 11, 2011: LIGHT. INOPERATIVE. EMERGENCY EXIT LIGHT STRIP AT LAV K INOP. SPLICED EEL STRIP AT 'K' LAV. OPS CHECKED NORMAL.
- [SDR UALA2011120906756](https://openairdocs.org/sdr/UALA2011120906756), Dec 8, 2011: CONNECTOR. DISCONNECTED. EMERGENCY EXIT LIGHT STRIP AT LAVS INOP. FOUND PIGTAIL CONNECTION FOR THE EMERGENCY EXIT LIGHT STRIP AT LAVS DISCONNECTED. RE-CONNECTED PIGTAIL AND PERFORMED SU
- [SDR UALA2011112906561](https://openairdocs.org/sdr/UALA2011112906561), Nov 28, 2011: LAMP. INOPERATIVE. FIRE WARNING LIGHT DOES NOT ILLUMINATE ON LEFT ENGINE FUEL CONTROL SWITCH DURING TEST. RELAMPED LEFT ENG FUEL CONTROL SWITCH. FIRE TEST NORMAL.
- [SDR UALA2011112106394](https://openairdocs.org/sdr/UALA2011112106394), Nov 20, 2011: SKIN. CRACKED. (.125) OF AN INCH CRACK VERIFIED IN CROWN SKIN AT STATION 407. FOUND CRACK INDICATION AT STR 4L STA 406 APPROX 1-8TH IN LONG AT CHEM MILL RADIUS.
- [SDR UALA2011110806076](https://openairdocs.org/sdr/UALA2011110806076), Nov 8, 2011: WIRE. SHORTED. LEFT ENG FUEL FILTER EICAS, FLIGHT DIVERTED. FOUND WIRE W3394-1019-18 SHORTED APPOX 10 INCHES FROM CONNECTOR D42036P PIN 4. REPAIRED WIRE PER GN-MM. WIRE HAS IN

All 122: https://openairdocs.org/aircraft/N538UA/unmatched-reports.md

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Oklahoma State University TURBO ELECTRIC MUGIN aircraft: https://openairdocs.org/model/oklahoma-state-university-turbo-electric-mugin/aircraft.md

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