# N620NW: 1971 Mcdonnell Douglas DC-9-32, registration cancelled 2008-06-17 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: June 17, 2008 - Status when cancelled: Triennial form not returned - Airframe: [Mcdonnell Douglas DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (registry code 302206C) - 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: 47533 - Year built: 1971 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: May 8, 1998 - Certificate issued: July 9, 1997 - Last registry action: August 15, 2006 - Mode S code: A8177E - Owner when cancelled: [Northwest Airlines](https://openairdocs.org/faa-owner/NORTHWEST%20AIRLINES) - Location: [Saint Paul, MN](https://openairdocs.org/faa-place/MN/Saint%20Paul) - Owner type: Corporation - Owner's area on the map: 44.8873° N, 93.1924° W: Placed by OpenAirDocs at the center of ZIP code 55111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N620NW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=620NW - Page: https://openairdocs.org/deregistered/N620NW-2008-06-17 From the FAA registry file of October 29, 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-9-32: https://openairdocs.org/model/mcdonnell-douglas-dc-9-32.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 0700529620](https://openairdocs.org/sdr/0700529620), Feb 5, 2007: SLIDE. INOPERATIVE. LOCAL VENDOR AT SYR ATTEMPTED TO STOW TAIL CONE RELEASE HANDLE AND INADVERTENTLY JETTISONED THE TAIL CONE. SEE LP NR 3832775. THE TAIL CONE EMERGENCY ESCAPE SLI - [SDR 0602769620](https://openairdocs.org/sdr/0602769620), Dec 18, 2006: WEB. CRACKED. DURING LINE CHECK, FOUND CRACK IN RT PYLON CLOSER WEB AT THE LIGHTENING HOLE LOWER EDGE STATION YN 164. REPAIRED PER EA 96-208511. - [SDR 0600649620](https://openairdocs.org/sdr/0600649620), Mar 30, 2006: SLIDE. UNWANTED DEPLOY. DURING MAINTENANCE ACTIVITIES AT MCO, THE TAIL CONE WAS INADVERTENTLY JETTISONED. THE TAIL CONE EMERGENCY ESCAPE SLIDE DID NOT DEPLOY AND DID NOT INFLATE. NO OB - [SDR 0400659620](https://openairdocs.org/sdr/0400659620), May 1, 2004: VALVE. CRACKED. WHEN THE HYDRAULIC PUMPS WERE TURNED ON DURING DESCENT, THE RIGHT HYDRAULIC SYSTEM FAILED COMPLETELY LOSING PRESSURE AND QUANTITY. CREW COMPLIED WITH COM PROCED - [SDR 0400509620](https://openairdocs.org/sdr/0400509620), Mar 27, 2004: BULKHEAD. CRACKED. DURING "H" CHECK FOUND CRACKS IN BULKHEAD WEB AT BS 756. REPAIRED PER EA 96-198613. - [SDR 0102019620](https://openairdocs.org/sdr/0102019620), Jun 2, 2001: THROTTLE CABLE. CONTAMINATED. AT FL330 AND RAT -20C, THE LEFT THROTTLE WOULD NOT MOVE WITH POWER AT 1.80 EPR. AFTER TWO TRIES, THE THROTTLE WOULD INCH FORWARD TO 1.90 EPR BUT WOULD NOT GO LO - [SDR 0103439620](https://openairdocs.org/sdr/0103439620), May 15, 2001: SKIN. CORRODED. During H-check found corrosion damage on external side of fuselage skin. Corrosion is in area of a chem-milled pocket of .113" thickness. Repaired per EA. 96-18 - [SDR 9905119620](https://openairdocs.org/sdr/9905119620), Nov 29, 1999: FIRE LOOP. MALFUNCTIONED. RIGHT ENGINE B LOOP LIGHT ILLUMINATED AS POWER WAS SET FOR TAKEOFF. TAKEOFF WAS ABORTED AND NR 2 FIRE BOTTLE WAS BLOWN. AIRCRAFT RETURNED TO GATE WITHOUT INCIDE - [SDR 9904539620](https://openairdocs.org/sdr/9904539620), Oct 28, 1999: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND CENTER SECTION OF OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9809859620](https://openairdocs.org/sdr/9809859620), Jul 28, 1998: SENSOR. FAILED. TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. CAPTAIN DECLARED AN EMERGENCY AND FLIGHT WAS RETURNED TO OKC. AIRCRAFT LANDED WITHOUT INCIDEN - [SDR 98ZZZX2251](https://openairdocs.org/sdr/98ZZZX2251), May 13, 1998: BYPASS VALVE. MALFUNCTIONED. AFTER LANDING, UNABLE TO GET MORE THAN APPROXIMATELY 17 DEGREES OF RIGHT NOSE WHEEL STEERING WITH CONTROL WHEEL. REMOVED AND REPLACED BYPASS VALVE. OPS CHECK GO - [SDR 98ZZZX2250](https://openairdocs.org/sdr/98ZZZX2250), May 13, 1998: BYPASS VALVE. MALFUNCTIONED. AFTER LANDING, UNABLE TO GET MORE THAN APPROXIMATELY 17 DEGREES OF RIGHT NOSE WHEEL STEERING WITH CONTROL WHEEL. REMOVED AND REPLACED BYPASS VALVE. OPS CHECK GO - [SDR 97ZZZX4849](https://openairdocs.org/sdr/97ZZZX4849), Nov 13, 1997: LINK. BROKEN. DISCOVERED ON PRIMARY INSPECTION, 2 EACH BOLTS (DC9 IPC 27-20-8, FIG 2, IT 320), P/N AN26-16, SEVERELY BENT, PARTIALLY SHEARED. LINK (DC9 IPC 27-20-8, FIG 2, IT - [SDR 97ZZZX4848](https://openairdocs.org/sdr/97ZZZX4848), Nov 13, 1997: BOLT. BENT. DISCOVERED ON PRIMARY INSPECTION, 2 EACH BOLTS (DC9 IPC 27-20-8, FIG 2, IT 320), P/N AN26-16, SEVERELY BENT, PARTIALLY SHEARED. LINK (DC9 IPC 27-20-8, FIG 2, IT --- 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.