# N990Z: 1967 Mcdonnell Douglas DC-9-31, registration cancelled 2013-04-18 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: April 18, 2013 - Status when cancelled: Sale reported, pending cancellation - Airframe: [Mcdonnell Douglas DC-9-31](https://openairdocs.org/model/mcdonnell-douglas-dc-9-31) (registry code 302206A) - Engine: [Pratt & Whitney JT8D-9 series](https://openairdocs.org/engine/pratt-whitney-jt8d-9-series) (registry code 52048) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs) - Serial number: 47136 - Year built: 1967 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: June 28, 1974 - Last registry action: December 15, 2004 - Mode S code: ADD4E2 - Location: [Miami, FL](https://openairdocs.org/faa-place/FL/Miami) - Owner type: Individual - Owner's area on the map: 25.8166° N, 80.3105° W: Placed by OpenAirDocs at the center of ZIP code 33166, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N990Z - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=990Z - Page: https://openairdocs.org/deregistered/N990Z-2013-04-18 From the FAA registry file of November 3, 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 Mcdonnell Douglas DC-9-31: https://openairdocs.org/model/mcdonnell-douglas-dc-9-31.md ## Service difficulty reports (14) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR TWAA9917301](https://openairdocs.org/sdr/TWAA9917301), Dec 20, 1999: PLATE. CRACKED. THE LEFT WING FUEL TANK PLATE NUMBER 1305 DOUBLER WAS CRACKED 1.75 INCH LONG AT THE 8 O'CLOCK POSITION. REPAIRED CRACKED DOUBLER PER ARA 16436 AT LT WING FUEL T - [SDR TWAA9908101](https://openairdocs.org/sdr/TWAA9908101), Jun 7, 1999: PUMP. FAILED. THE RT ENGINE SHUT ITSELF DOWN DURING TAKEOFF. THE FLIGHT RETURNED TO SDF. REPLACED THE ENGINE FUEL PUMP DUE TO SHEARED SHAFT. ALSO, REPLACED THE FUEL CONTROL P - [SDR TWAA9814904](https://openairdocs.org/sdr/TWAA9814904), Sep 11, 1998: LONGERON. CRACKED. DURING CHECK-C MAINT, FOUND .125 INCH CRACK IN LONGERON 4L AT STA 200. SPLICED IN NEW SECTION OF LONGERON PER DC9 SRM 53-02, FIG 18. - [SDR TWAA9804901](https://openairdocs.org/sdr/TWAA9804901), Apr 1, 1998: POWER SUPPLY. INOPERATIVE. FLT STL - FLT 314 - ONE SECTION OF OVERHEAD COACH EMERGENCY LIGHTS WERE REPORTED INOP. REPLACED CEILING POWER SUPPLY IN FORWARF CABIN. (M) - [SDR TWAA9810108](https://openairdocs.org/sdr/TWAA9810108), Jun 12, 1997: ANGLE. CRACKED. MCI - DURING OP 15 MAINTENANCE CHECK, FOUND ON RT WING THE SUPPORT ANGLE FROM FRONT SPAR TO NR 35 SLAT OTBD DRIVE TRACK ROLLER SUPPORT CASTING, CRACKED AT OTBD - [SDR TWAA9810010](https://openairdocs.org/sdr/TWAA9810010), Jun 12, 1997: SKIN. CORRODED. MCI - DURING OP 16 MAINTENANCE CHECK FOUND CORROSION ON FUSELAGE INTER SKIN SURFACE BELOW LT FWD EMERGENCY EXIT DOOR CUT OUT BETWEEN LONGERONS 17 AND 18, BETWEE - [SDR TWAA9805906](https://openairdocs.org/sdr/TWAA9805906), Jun 12, 1997: STRINGER. CRACKED. MCI - DURING OP15 MAINTENANCE CHECK, FOUND CRACK INDICATION ON LEFT WING AT XR 93, STRINGER 18. FOUND PER WORK SHEET MC8-SI-40. REMOVED FASTENER AND REAMED WITH - [SDR TWAA9809510](https://openairdocs.org/sdr/TWAA9809510), May 12, 1997: SKIN. CRACKED. MCI - DURING OP 15 MAINTENANCE CHECK, FOUND FUSELAGE SKIN CRACK AT FS 134, S196. REMOVED CLASS II REPAIR AND INSTALLED FLUSH REPAIR PER SRM 53-04, FIG 12B AND T - [SDR TWAA9805904](https://openairdocs.org/sdr/TWAA9805904), May 12, 1997: DOUBLER. CRACKED. MCI - DURING OP 15 MAINTENANCE CHECK, FOUND CRACK INDICATIONS IN 10 FASTENER HOLES IN BEAVER TAIL, TOP OF LEFT WING. CRACKS WERE INDICATED WITH HIGH FREQ EDDY C - [SDR 96ZZZM1204](https://openairdocs.org/sdr/96ZZZM1204), Jul 8, 1996: DNLOCK SWITCH. FAILED. STL - DURING CLIMB, LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON. FLIGHT RETURNED TO STL. REMOVED AND REPLACED DOWNLOCK SWITCH, MFG P/N H14-6. OPERATIONAL CH - [SDR 96ZZZM975](https://openairdocs.org/sdr/96ZZZM975), Apr 29, 1996: BOLT. CRACKED. STL - DURING SPECIAL CHECK, FOUND A 1.5 INCH CRACK AT FRAME ATTACH BOLT, LONGERON L5, STATION 737. REPAIRED PER SRM 53-02. - [SDR 96ZZZX2550](https://openairdocs.org/sdr/96ZZZX2550), Apr 25, 1996: LONGERON. CRACKED. DURING SPECIAL CHECK, FOUND A 1.50 INCH CRACK IN LONGERON 6L, STA 639. REPAIRED PER SRM 53-02, PAGE 2A, FIGURE 2. AIRCRAFT TOTAL TIME: 68,821 HOURS. CYCLES, 8,3 - [SDR 95ZZZW638](https://openairdocs.org/sdr/95ZZZW638), Feb 23, 1995: LONGERON. CRACKED. STL - DURING SPECIAL CHECK, FOUND CRACKS 1.75 INCHES LONG ON BOTH SIDES OF SPLICE, LONGERON 30, STATION 446. REPAIRED PER SRM 53-02, FIGURE 14, SHEETS 1 AND 2, - [SDR 95ZZZW595](https://openairdocs.org/sdr/95ZZZW595), Feb 23, 1995: LONGERON. CRACKED. STL - DURING SPECIAL CHECK, FOUND CRACKS 1.75 INCHES LONG ON BOTH SIDES OF SPLICE, LONGERON 30, STATION 446. REPAIRED PER SRM 53-02, FIGURE 14, SHEETS 1 AND 2, ## FAA accident and incident reports (2) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19860502024009I](https://openairdocs.org/incident/19860502024009I), May 2, 1986: Doug DC931 (N990Z), St Louis, MO. Nose gear door would not close after takeoff. Returned and found preload too low. Adjusted doors. - [Incident 19780424011259I](https://openairdocs.org/incident/19780424011259I), Apr 24, 1978: Doug DC931 (N990Z), Dallas, TX, Minor damage. Engine failed on takeoff. Engine reverse blocker doors deployed and remained open in flight. Returned to airport --- 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.