# Incident 19970220005279I: Doug DC915, Des Moines, IA, February 20, 1997

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: February 20, 1997, 07:00 local time
- Place: Des Moines, IA
- Airport: Des Moines International
- Damage: Minor damage
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- Location: 41.5340° N, 93.6631° W: Placed by OpenAirDocs at DES MOINES INTL (DSM), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5340&lon=-93.6631&mi=10
- Aircraft: N93S, a cancelled registration (https://openairdocs.org/deregistered/N93S-1998-09-10) (OpenAirDocs)
- Registry model: Douglas DC9-15 (registry code 3022036, https://openairdocs.org/model/douglas-dc9-15) (OpenAirDocs)
- Reported make and model: DOUG DC915
- People aboard: 40
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI97IA072](https://openairdocs.org/ntsb/CHI97IA072) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970220005279I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

NARRATIVE: AIRCRAFT WAS ENROUTE FROM MSP TO MCI. WHILE LEVEL AT 31,000 FT. THE CREW DETECTED SMOKE COMING FROM THE AREA OF THE CIRCUIT BREAKER PANEL BEHIND THE CAPTAIN'S SEAT. ALL ELECTRIC POWER WAS SECURED AND THEN THE BATTERY SWITCH WAS TURNED ON. CREW EXECUTED SMOKE REMOVAL CHECK LIST AND DIVERTED TO DSM. INITIAL EXAMINATION OF THE AIRCRAFT REVEALED SEVERE HEAT DAMAGE TO THE CROSSTIE RELAY PART NO.914K567-4, S/N 02130, RELAY R2-52, AND SEVERAL WIRES. THIS INCIDENT REMAINS OPEN PENDING AN INVESTIGATION BY NORTHWEST AIRLINES INTO CAUSE OF RELAY FAILURE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI97IA072](https://openairdocs.org/ntsb/CHI97IA072), Feb 20, 1997: McDonnell Douglas DC-9-15 (N93S), Des Moines, IA, incident, minor damage. Probable cause: the cross tie relay shorted resulting in a fire in the left main electrical equipment rack.

## Other reports on N93S (7)

Matched to the same aircraft by N-number and date.

- [Incident 19950421012729I](https://openairdocs.org/incident/19950421012729I), Apr 21, 1995: Doug DC915 (N93S), Syracuse, NY. Lost pressurization near destination at FL220. Emergency descent. Replaced cabin control unit.
- [Incident 19931018045249I](https://openairdocs.org/incident/19931018045249I), Oct 18, 1993: Doug DC915 (N93S), Detroit, MI. Pilot entered runway 21R environment without ATC permission. Landing aircraft had to swerve to avoid a collision.
- [Incident 19920802043949I](https://openairdocs.org/incident/19920802043949I), Aug 2, 1992: Doug DC915 (N93S), Detroit, MI, Minor damage. Upon approaching the gate aircrafts right wing struck a tug. Pilot following marshallers direction into gate.
- [Incident 19870312028569I](https://openairdocs.org/incident/19870312028569I), Mar 12, 1987: Doug DC915 (N93S), New York, NY, Minor damage. Aircraft rolled 30 degrees left when flaps extended to 50 degrees. Retracted to 30, landed. Inboard flap vane gone
- [Incident 19861018061189I](https://openairdocs.org/incident/19861018061189I), Oct 18, 1986: Doug DC915 (N93S), Memphis, TN. Unsafe nose gear indication with extension. Recycled. Safe landing. Replaced nose gear downlock switch.
- [Incident 19791011052319I](https://openairdocs.org/incident/19791011052319I), Oct 11, 1979: Doug DC915 (N93S), Memphis, TN. Engine shut down due to fuel heat valve stuck open. Butterfly shot-off valve, PN129525, replaced.
- [Incident 19790505025689I](https://openairdocs.org/incident/19790505025689I), May 5, 1979: Doug DC915 (N93S), Meridian, MS. Stewardess suffered minor injury to rib cage during turbulence encountered during climb.

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. For accidents, the NTSB's own investigation is the fuller record.

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