# N785TW: 1967 Douglas DC-9-15F, registration cancelled 2026-08-10 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: August 10, 2026 - Status when cancelled: Valid registration - Airframe: [Douglas DC-9-15F](https://openairdocs.org/model/douglas-dc-9-15f) (registry code 3022037) - Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) (OpenAirDocs) - Serial number: 47015 - Year built: 1967 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: April 25, 1999 - Certificate issued: February 1, 2005 - Last registry action: August 18, 2023 - Mode S code: AAA4D7 - Owner when cancelled: [Sierra American Corp](https://openairdocs.org/faa-owner/SIERRA%20AMERICAN%20CORP) - Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington) - Owner type: Corporation - Owner's area on the map: 39.7376° N, 75.6671° W: Placed by OpenAirDocs at the center of ZIP code 19808, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N785TW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=785TW - Page: https://openairdocs.org/deregistered/N785TW-2026-08-10 From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Douglas DC-9-15F: https://openairdocs.org/model/douglas-dc-9-15f.md ## Service difficulty reports (29) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR MJYA20250314002](https://openairdocs.org/sdr/MJYA20250314002), Mar 14, 2025: FRAME. CORRODED. WHILE PERFORMING A VISUAL INSPECTION OF THE CANT BULKHEAD FOR CRACKS PER AD 2024-20-02 FOUND CANTED BULKHEAD STA 942,225 LOWER CAP CORROSION. LOG PAGE 75814 NON - [SDR MJYA20220324001](https://openairdocs.org/sdr/MJYA20220324001), Mar 22, 2022: COMPUTER. FAULTY. ON CLIMB OUT KDRT, AIRCRAFT BEGAN ALTERNATING LEFT/RIGHT YAW EVENTS WHICH CONTINUED THROUGHOUT FLIGHT WITH AUTOPILOT ON OR OFF. UNSCHEDULED LANDING KSAT. CORREC - [SDR 2022F00162](https://openairdocs.org/sdr/2022F00162), Mar 22, 2022: NONE. FAULTY. ON CLIMB OUT KDRT, AIRCRAFT BEGAN ALTERNATING LEFT/RIGHT YAW EVENTS WHICH CONTINUED THROUGHOUT FLIGHT WITH AUTOPILOT ON OR OFF. UNSCHEDULED LANDING KSAT. CORREC - [SDR MJYA20170318002](https://openairdocs.org/sdr/MJYA20170318002), Mar 18, 2017: CONTROL VALVE. OUT OF ADJUST. AFTER TAKE OFF, THE PILOT SELECTED GEAR UP WITH NO RESULTS. GEAR DOORS OPENED BUT THE GEAR DID NOT RETRACT. AFTER CYCLING THE GEAR HANDLE SEVERAL TIMES, IT WAS - [SDR MJYA749T1104002](https://openairdocs.org/sdr/MJYA749T1104002), Apr 7, 2011: SWITCH. INOPERATIVE. NOSE LANDING GEAR GREEN LIGHT ON AFTER GEAR RETRACTION AND UPLOCK CHECK UNSATISFACTORY. - [SDR MJYA749T1104001](https://openairdocs.org/sdr/MJYA749T1104001), Apr 3, 2011: WIRE. OPEN. LEFT MAIN LANDING GEAR GREEN INDICATION (DOWN AND LOCKED) DID NOT ILLUMINATE, BULBS TESTED OK. - [SDR MJYA749T1009001](https://openairdocs.org/sdr/MJYA749T1009001), Sep 18, 2010: POSITION SENSOR. SHORTED. DURING CLIMB AT 6000FT MSL PITCH TRIM AURAL WARNING SOUNDED, STABILIZER OBSERVED UNCOMMANDED NOSE DOWN TRIM RUNAWAY. PRIMARY TRIM REVERSED RUNAWAY PROPERLY. COM - [SDR MJYA749T0912001](https://openairdocs.org/sdr/MJYA749T0912001), Dec 5, 2009: FLOAT VALVE. STUCK. RIGHT WING TRAILING FUEL AFTER TAKEOFF, LEFT WING FUEL LEVEL DROPPED 1000 POUNDS. - [SDR ABXA070124](https://openairdocs.org/sdr/ABXA070124), Apr 12, 2007: BULKHEAD. CRACKED. CRACK OF UNKNOWN LENGTH AND DIRECTION IN DOUBLER UPPER LEFT AFT PRESSURE BULKHEAD DOOR CUTOUT CORNER. STOP DRILLED CRACK IN -13 DOUBLER, INSTALLED REPAIR IAW DC - [SDR ABXA070125](https://openairdocs.org/sdr/ABXA070125), Apr 10, 2007: BULKHEAD. CRACKED. AFT PRESSURE BULKHEAD SKIN CRACKED AT UPPER LEFT DOOR CUTOUT. REMOVED AND REPLACED SKIN IAW DC9 SRM 51-30-2 AND 51-30-5. - [SDR ABXA070121](https://openairdocs.org/sdr/ABXA070121), Apr 9, 2007: SPAR. CRACKED. X-RAY INSPECTION ON LEFT ELEVATOR REVEALED CRACKS AT STATIONS: XE 74(.750), XE 191(.600), XE 195(.750), XE 199 (.750), AND XE 219 (.400). REPAIRED CRACKS AT STA - [SDR ABXA070123](https://openairdocs.org/sdr/ABXA070123), Apr 6, 2007: BULKHEAD. CRACKED. AFT PRESSURE BULKHEAD DOOR CUTOUT UPPER RIGHT CORNER DOUBLER HAD APPROXIMATELY 1.5" RADIUS CRACK. REPAIRED UPPER RIGHT CORNER OF AFT PRESSURE BULKHEAD IAW DC9 S - [SDR ABXA070122](https://openairdocs.org/sdr/ABXA070122), Apr 2, 2007: TAB. DELAMINATED. RIGHT AILERON OUTBOARD TAB DELAMINATED 3 PLACES, 1 UPPER AND 2 LOWER APPROXIMATELY 3 BY 3, 3 BY1 1/2, OUTBOARD TIP REPAIR DISBOND. REMOVED AND REPLACED RIGHT AI - [SDR MJYA0603059](https://openairdocs.org/sdr/MJYA0603059), Mar 28, 2006: ROD END. LOOSE. FOUND LEFT MAIN LANDING GEAR ACTUATOR ROD END PULLED LOOSE FROM THE ACTUATOR. - [SDR MJYA0602057](https://openairdocs.org/sdr/MJYA0602057), Feb 15, 2006: SOCKET. DAMAGED. LEFT LANDING GEAR LIGHT REMAINED ILLUMINATED IN THE BRIGHT MODE AFTER TO WITH THE LANDING GEAR IN THE UP POSITION AFTER THE UP-LATCH CK. GEAR WARNING HORN DID N - [SDR 050301](https://openairdocs.org/sdr/050301), Feb 6, 2005: BEAM. CRACKED. FORWARD CARGO COMPARTMENT, DOOR JAMB, STUB BEAM SHORT FLANGE IS CRACKED. - [SDR COOSDR05003](https://openairdocs.org/sdr/COOSDR05003), Jan 25, 2005: DOOR FRAME. CRACKED. FWD CARGO COMPARTMENT, DOOR JAMB, STUB BEAM, PN 5921718-1, SHORT FLANGES CRACKED. (K) - [SDR 0411001](https://openairdocs.org/sdr/0411001), Nov 11, 2004: SENSE LINE. LOOSE. DURING CLIMB ABOVE 20,000 FT, THE NR 2 ENGINE DID NOT INDICATE CLIMB THRUST (EPR). - [SDR DM42003F00000](https://openairdocs.org/sdr/DM42003F00000), Sep 16, 2003: NUT. CRACKED. SUBJECT HORIZONTAL STABILIZER ACTUATOR: RECEIVED WITH A CRACKED NUT WITH METAL PARTICLES ON SCREW SECTION AD 200-15-15. - [SDR 2003F00648](https://openairdocs.org/sdr/2003F00648), Sep 8, 2003: DOOR. DELAMINATED. FOUND DURING 4C CHECK, AFT CARGO COMPARTMENT BARRIER DOOR, DAMAGED INNER AND OUTER SKIN AND HONEYCOMB CORE. DAMAGED PARTS WERE REPLACED BY NEW ONE. (M) - [SDR 2003F00644](https://openairdocs.org/sdr/2003F00644), Sep 7, 2003: PAN. CRACKED. DURING 4C CHECK SERVICE, FOUND FORWARD ENTRY DOOR, UPPER AFT PAN SEGMENT CRACKED. THE DAMAGED PART WAS REPLACED BY A NEW ONE. (M) - [SDR 2003F00641](https://openairdocs.org/sdr/2003F00641), Sep 7, 2003: FITTING. CRACKED. RIGHT MAIN WHEEL WELL Y STA 577, FITTING CRACKED. (M) - [SDR 2003F00647](https://openairdocs.org/sdr/2003F00647), Sep 7, 2003: FITTING. CRACKED. DURING 4 C CHECK, FOUND RT MAIN WHEEL WELL, Y STATION 577-727, FITTING CRACKED. THE DAMAGED PART WAS REPLACED BY A NEW ONE. (M) - [SDR 2003F00649](https://openairdocs.org/sdr/2003F00649), Aug 18, 2003: FLOOR SUPPORT. CRACKED. FOUND FORWARD AND AFT CARGO COMPARTMENT FLOOR SUPPORT ANGLES, CRACKED AT STA'S 275, 294, 313, 370, 389, 427, 465, 661, 669, 680, 758, 786 AND 801. (M) - [SDR 2003F00650](https://openairdocs.org/sdr/2003F00650), Aug 15, 2003: FITTING. CRACKED. FOUND 4C CHECK SERVICE, CARGO CABIN ENTRANCE DOOR, BEAM NR 4 END FITTING CRACKED FITTING PN 3917852-1. FITTING WAS REPLACED BY A NEW ONE. (M) - [SDR 2003F00652](https://openairdocs.org/sdr/2003F00652), Aug 13, 2003: SKIN. DAMAGED. FOUND C-CHECK SERVICE, LEFT WING AILERON UPPER SKIN WITH WEAR, STA 370, INBOARD HINGE. (M) - [SDR 2003F00651](https://openairdocs.org/sdr/2003F00651), Aug 13, 2003: FITTING. CRACKED. FOUND 4C CHECK SERVICE, FOUND FORWARD SERVICE DOOR HOLD OPEN HOOK PAN, FITTING CRACKED. FITTIG WAS REPLACED. (M) - [SDR 2003F00643](https://openairdocs.org/sdr/2003F00643), Aug 9, 2003: DOOR FRAME. CRACKED. FOUND C-CHECK SERVICE, UPPER CARGO DOOR, FRAME INBOARD FLANGE CRACKED, STA Y = 392.062 BETWEEN LONGERONS 13 LEFT AND 14 LEFT. THE DAMAGED PART WAS REPAIRED. (M) - [SDR 2003F00642](https://openairdocs.org/sdr/2003F00642), Aug 6, 2003: DOUBLER. CORRODED. AFT CARGO COMPARTMENT YSTA 718, BETWEEN LONGERON 22 LEFT AND LONGERON 23 LEFT, OUTFLOW CUTOUT REINFORCEMENT DOUBLER CORRODED. (M) ## Other aircraft with N785TW - [Cancelled 1983-02-16](https://openairdocs.org/deregistered/N785TW-1983-02-16): Boeing 707-131B, S/N 18404. Owner: [Moeing Military Airplane Co](https://openairdocs.org/faa-owner/MOEING%20MILITARY%20AIRPLANE%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita) --- 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.