# N973Z: 1967 Douglas DC9-15, registration cancelled 2017-04-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 4, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Douglas DC9-15](https://openairdocs.org/model/douglas-dc9-15) (registry code 3022036)
- Engine: [Pratt & Whitney JT8D-1](https://openairdocs.org/engine/pratt-whitney-jt8d-1) (registry code 52044)
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 47033
- Year built: 1967
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: July 29, 1967
- Certificate issued: May 24, 2000
- Last registry action: September 19, 2006
- Mode S code: AD9109
- Owner when cancelled: [International Airline Support Group Inc](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIRLINE%20SUPPORT%20GROUP%20INC)
- Location: [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta)
- Owner type: Corporation
- Owner's area on the map: 33.8885° N, 84.2895° W: Placed by OpenAirDocs at the center of ZIP code 30341, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N973Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=973Z
- Page: https://openairdocs.org/deregistered/N973Z-2017-04-04

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 Douglas DC9-15: https://openairdocs.org/model/douglas-dc9-15.md

## Service difficulty reports (5)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR TWAA9801501](https://openairdocs.org/sdr/TWAA9801501), Jan 26, 1998: BULKHEAD JAMB. CRACKED. STL - DURING MAINTENANCE CHECK, THE AFT PERSSURE BULKHEAD LOWER DOOR JAMB LOWER LEFT CORNER WAS FOUND CRACKED 1.375 INCH ABOVE -37 DOUBLER. REPAIRED PER EMLR 65
- [SDR TWAA9713903](https://openairdocs.org/sdr/TWAA9713903), Nov 26, 1997: SWITCH. FAILED. STL - FLT 687 - AFTER TAKEOFF, GEAR HANDLE RAISED, RED GEAR UNSAFE LIGHTS REMAINED ILLUMINATED. CYCLED GEAR. RED LIGHTS REMAINED ON FOR 3 TO 4 MINUTES THEN WENT
- [SDR TWAA9769002](https://openairdocs.org/sdr/TWAA9769002), Jun 16, 1997: CLAMP. FAILED. MCI - FLT 483 - DURING CRUISE, CABIN LOW PRESSURE LIGHT ILLUMINATED. REPLACED CLAMPS ON AIR CONDITIONING DUCT. OPERATIONAL CHECK NORMAL. (M)
- [SDR TWAA9615201](https://openairdocs.org/sdr/TWAA9615201), Dec 6, 1996: SOCKET. FAILED. STL - FLT 692 - DURING CLIMB-OUT, THE LT MLG UNSAFE RED LIGHT ILLUMINATED. REMOVED AND REPLACED RED LIGHT SOCKET, MFG PN 0351881007. OPERATIONAL CHECK NORMAL. C
- [SDR 96ZZZM1209](https://openairdocs.org/sdr/96ZZZM1209), Jul 8, 1996: BATTERY PACK. DISCHARGED. STL - DURING CRUISE, EGRESS LIGHTING ILLUMINATED IN LAST THREE ROWS. REMOVED AND REPLACD BATTERY PACK, MFG P/N 5822-2. OPERATIONAL CHECK NORMAL. (M)

## FAA accident and incident reports (4)

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 19891002055009I](https://openairdocs.org/incident/19891002055009I), Oct 2, 1989: Doug DC915 (N973Z), St Louis, MO. Burning odor in aircraft on takeoff. Returned. Possible cause was oil in ducts. Right engine recently replaced.
- [Incident 19850924050659I](https://openairdocs.org/incident/19850924050659I), Sep 24, 1985: Doug DC915 (N973Z), St Louis, MO. Grumbling noise from right engine during climb. Returned for landing. Found faulty fuel control unit.
- [Incident 19850531026859I](https://openairdocs.org/incident/19850531026859I), May 31, 1985: Doug DC915 (N973Z), St Louis, MO. Gear door open warning on approach. Landed safely and towed to hangar. Microswitch on door light misaligned.
- [Incident 19790901033589I](https://openairdocs.org/incident/19790901033589I), Sep 1, 1979: Doug DC915 (N973Z), St Louis, MO. Cabin pressure not controllable. Rapid descent made. Found a clamp loose on the air cycle machine and a loose duct.

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