# N228NW: DJI AGRAS T20P - Status: Valid registration - Airframe: [DJI AGRAS T20P](https://openairdocs.org/model/dji-agras-t20p) (registry code 06102FL) - Serial number: 64UBL85002001V - Type: Rotorcraft - Engine type: Electric - Certificate issued: March 12, 2024 - Expires: March 31, 2031 - Mode S code: A1FFFA - Registered owner: [Northwestern Michigan College](https://openairdocs.org/faa-owner/NORTHWESTERN%20MICHIGAN%20COLLEGE) - Location: [Traverse City, MI](https://openairdocs.org/faa-place/MI/Traverse%20City) - Owner type: Government - Owner's area on the map: 44.8494° N, 85.5426° W: Placed by OpenAirDocs at the center of ZIP code 49686, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=228NW - Page: https://openairdocs.org/aircraft/N228NW 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 (DJI AGRAS T20P) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N228NW. ## FAA accident and incident reports None matched to N228NW. ## 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 N228NW not matched to an aircraft (26) They name N228NW, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR 0102941228](https://openairdocs.org/sdr/0102941228), Aug 18, 2001: BOLT. BACKED OUT. ON WALKAROUND, FOUND LEFT MAIN LANDING GEAR DOOR EXTENDED. SUBSEQUENT INSPECTION FOUND SUPPORT BOLT IN MAIN LANDING GEAR SIDE BRACE ATTACH FITTING BACKING OUT. - [SDR 0100901228](https://openairdocs.org/sdr/0100901228), Feb 24, 2001: FIRE LOOP. FAULTY. EN ROUTE, ENGINE FIRE LIGHT ON FORWARD PANEL FLASHED INTERMITTENTLY. NR 3 START LEVER, NR 3 ENGINE FIRE HANDLE, AND NR 3 ENGINE LOOP ''A'' ALL CAME ON INTERMITT - [SDR 9806331228](https://openairdocs.org/sdr/9806331228), Apr 6, 1998: COMPRESSOR. STALLED. DURING TAKEOFF AT ROTATION, THE NR 3 ENGINE COMPRESSOR STALLED SEVERAL TIMES WITH VISIBLE FIRE REPORTED BY THE TOWER AND FLIGHT ATTENDANT. NOTICEABLE FUEL FLOW - [SDR 9804091228](https://openairdocs.org/sdr/9804091228), Mar 9, 1998: BLEED DUCT. LEAKING. DURING CLIMB AND CRUISE, NR 1 NACELLE TEMPERATURE WAS 200C WITH PNEUMATIC TEMPERATURE INDICATOR AT 20C AND PNEUMATIC PRESSURE AT 10 PSI. NACELLE TEMPERATURE WAS - [SDR 9716471228](https://openairdocs.org/sdr/9716471228), Aug 26, 1997: SKIN. CRACKED. DURING L-CHECK, FOUND CRACK IN LEFT WING FIXED LEADING EDGE STA XOS 610. REPAIRED PER EA 12-150746. - [SDR 9626031228](https://openairdocs.org/sdr/9626031228), Dec 9, 1996: PNEU IND SYST. MALFUNCTIONED. DURING CRUISE, THE NR 2 MANIFOLD FAIL LIGHT ILLUMINATED. FLIGHT DIVERTED TO NRT AND DUMPED 30,000 LBS OF FUEL. NR 2 PNEUMATIC INDICATION SYSTEM WAS PLACED ON ME - [SDR 96ZZZX4187](https://openairdocs.org/sdr/96ZZZX4187), May 6, 1996: RATE GYRO. FAILED. DURING CHECK, UPPER YAW DAMPENER FAILED SYSTEM NR 2 TEST ON FLIGHT GUIDANCE MANAGEMENT ASSESSMENT PANEL. TROUBLESHOT FOUND B-CHANNEL YAW RATE GYRO INOP. ALSO, F - [SDR 96037122820](https://openairdocs.org/sdr/96037122820), May 6, 1996: ACTUATOR. FAILED. DURING CHECK, UPPER YAW DAMPENER FAILED SYSTEM NR 2 TEST ON FLIGHT GUIDANCE MANAGEMENT ASSESSMENT PANEL. TROUBLESHOT FOUND B-CHANNEL YAW RATE GYRO INOP. ALSO, F - [SDR 96035122819](https://openairdocs.org/sdr/96035122819), Apr 24, 1996: VALVE ASSY. LEAKING. DURING CHECK, FOUND NR 1 ENGINE FIRE HANDLE HYDRAULIC SHUT-OFF VALVE LEAKS INTERNALLY. REMOVED, REPLACED, AND RIGGED NR 1 ENGINE FIRE HANDLE HYDRAULIC SHUT-OFF - [SDR 96034122818](https://openairdocs.org/sdr/96034122818), Apr 24, 1996: TIP. LIGHTNING STRIKE. DURING CHECK, FOUND LIGHTNING STRIKE DAMAGE 1 INCH BY .25 INCH AT UPPER TIP OF UPPER AFT RUDDER. REMOVED DAMAGE IAW SRM 55-41-01, VOLUME III, SRM'S 51-35-01, 51 - [SDR 96032122816](https://openairdocs.org/sdr/96032122816), Apr 24, 1996: COVER. CORROSION. DURING CHECK, CORROSION WAS FOUND ON 5 FUEL TANK PROBE COVER PLATES ON THE MATING SURFACE. THE PART NUMBERS ARE: 003-001-001, 003-001-002, 003-001-006. CORROSIO - [SDR 96ZZZM1541](https://openairdocs.org/sdr/96ZZZM1541), Mar 11, 1996: LONGERON. CORRODED. FOUND SEVERE EXFOLIATION ON LONGERON STRAP 36RT NEAR FS 1801 CENTER CARGO COMPARTMENT. REMOVED AND REPLACED 2 ANGLES AND 1 STRAP ON LONGERON 36RT SPLICE AT FS 1 - [SDR 96019122814](https://openairdocs.org/sdr/96019122814), Mar 5, 1996: JAMB. CORROSION. CORROSION WAS FOUND ON THE R-2 DOOR JAMB UPPER FLANGE, INBOARD SURFACE. CORROSION REMOVAL WAS BEYOND LIMITS BETWEEN STA 791 AND STA 860. FABRICATED 2 EACH FILLE - [SDR 96018122813](https://openairdocs.org/sdr/96018122813), Mar 5, 1996: ACTUATOR FTG. CORROSION. DURING ACCOMPLISHMENT OF CORROSION REWORK OF THE LEFT MLG TRUNNION FITTING (NWA STOCK NR 12-5743-9-0001) PER SA5743-01026-5, CORROSION ON THE LOWER AFT MLG ACTU - [SDR 96017122812](https://openairdocs.org/sdr/96017122812), Mar 5, 1996: ACTUATOR MOUNT. CORROSION. FOUND LIGHT PITTING CORROSION ON THE RIGHT MLG RETRACT CYLINDER MOUNTING SURFACE ON TRUNNION WITH LIGHT GALVANIC CORROSION IN THE BORES. MECHANICALLY REMOVED CO - [SDR 96016122811](https://openairdocs.org/sdr/96016122811), Mar 5, 1996: TRUNNION FTG. WORN. LEFT MLG TRUNNION FITTING ATTACHING BORES (AFT TOP AND BOTTOM) (RETRACT ACTUATOR A-FRAME) ARE RE-WORKED BEYOND MAXIMUM LIMITS PER NWA SA5743-01026-5, NOTE 2. OV - [SDR 96014122810](https://openairdocs.org/sdr/96014122810), Feb 27, 1996: DOOR FARME. BLEND OUT. FOUND DEEP BLEND-OUT AND NON-SRM REPAIR (KNIFE EDGE BLEND-OUT) ON AFT LOWER CORNER OF FORWARD CARGO DOOR FRAME. FABRICATED AND INSTALLED DOUBLER AND FILLER REPA - [SDR 96013122809](https://openairdocs.org/sdr/96013122809), Feb 20, 1996: LONGERON. CORRODED. LONGERON 15R BETWEEN FS 1953 AND FS 1975 HAS 2 AREAS OF INTERGRANULAR CORROSION. CUT FRAMES AT FS 1953, FS 1964, AND FS 1975 PER SRM 53-30-00, FIGURE 5. REPLACE - [SDR 96012122808](https://openairdocs.org/sdr/96012122808), Feb 20, 1996: FLOOR BEAM. CORRODED. RIGHT MAIN FLOOR SUPPORT BEAM AT FS 1880 RT, RBL 36 IS CORRODED BEYOND SRM LIMITS. REMOVED AND REPLACED FLOOR SUPPORT BEAM IAW SRM 51-30-00. (X) - [SDR 96011122807](https://openairdocs.org/sdr/96011122807), Feb 20, 1996: CLIP. CORRODED. ON NOSE WHEELWELL FORWARD OF PANEL 115AZ BETWEEN LONGERON 51R AND LONGERON 51L IN AVIONICS COMPARTMENT, FOUND 14 EACH CORRODED HILOC FASTENERS AND 2 EACH CORROD - [SDR 96008122806](https://openairdocs.org/sdr/96008122806), Feb 15, 1996: DOOR FRAME. CRACKED. L-3 DOOR FRAME, FS 1254, STR 27, CLOSE OUT PANEL HAS 2 EACH ONE INCH LONG CRACKS INSIDE LOWER INSPECTION HOLE. REMOVED EXISITNG DOUBLER, TRIMMED OUT CRACKS, AND - [SDR 96007122805](https://openairdocs.org/sdr/96007122805), Feb 15, 1996: DOOR FRAME. CRACKED. L-3 DOOR FRAME, FS 1305, STR 26, CLOSE OUT PANEL HAS 2 EACH ONE INCH LONG CRACKS INSIDE LOWER INSPECTION HOLE. REMOVED EXISITNG DOUBLER, STOP DRILLED CRACKS, AN - [SDR 96006122804](https://openairdocs.org/sdr/96006122804), Feb 15, 1996: DOOR FRAME. CRACKED. R-3 DOOR LOWER AFT FRAME AT FS 1305, STR 27 FOUND CRACKED INSIDE LIGHTING HOLE. REMOVED EXISTING DOUBLER. STOP DRILLED CRACK AND VERIFIED BY NDT CRACK DOES NOT - [SDR 96005122803](https://openairdocs.org/sdr/96005122803), Feb 6, 1996: STRAP. REQUIRED REWORK. WING STRINGER 41, STRAP PN SR 10570022-7, REQUIRES REWORK PER NWA ENGINEERING SKETCH SA 5711-01032-7, MACHINED ANGLE. RE-MACHINED ANGLE ON DOUBLER, PN SR 105700 - [SDR 96004122802](https://openairdocs.org/sdr/96004122802), Feb 6, 1996: SKIN. CRACKED. CRACK 0.9 INCHES LONG AND .812 INCHES DEEP IN RIGHT FORWARD CENTER SECTION OF HORIZONTAL STABILIZER PANEL AT LOWER HOLE NR 6 AND NR 7. CRACK IS WITHIN FLYABLE L - [SDR 96003122801](https://openairdocs.org/sdr/96003122801), Feb 6, 1996: SKIN. CRACKED. CRACK 0.9 INCHES LONG AND .650 INCHES DEEP IN LEFT AFT UPPER CENTER SECTION OF HORIZONTAL STABILIZER PANEL AT HOLE NR 5 AND HOLE NR 6. CRACK IS WITHIN FLYABLE L ## STCs that may be installed (OpenAirDocs) None matched to this aircraft's models. ## Related - Other DJI AGRAS T20P aircraft: https://openairdocs.org/model/dji-agras-t20p/aircraft.md --- 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.