# Incident 20090330003649I: Doug DC983, Omaha, NE, March 30, 2009

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 30, 2009, 21:52 local time
- Place: Omaha, NE
- Airport: Eppley Airfield
- Damage: No damage
- Phase of flight: Cruise/Level Flight
- Operating rules: Air carrier (Part 121)
- Operator: AALA
- Location: 41.3032° N, 95.8941° W: Placed by OpenAirDocs at EPPLEY AIRFIELD (OMA), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3032&lon=-95.8941&mi=10
- Aircraft: N931TW, a cancelled registration (https://openairdocs.org/deregistered/N931TW-2017-05-22) (OpenAirDocs)
- Registry model: Mcdonnell Douglas DC-9-83(MD-83) (registry code 3022083, https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D series (registry code 52053, https://openairdocs.org/engine/pratt-whitney-jt8d-series) (OpenAirDocs)
- Reported make and model: DOUG DC983
- Reported engine: PWA JT8D*
- People aboard: 76
- Fatal injuries: 0
- Other injuries: 0
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20090330003649I

## Narrative

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

(-23) N931TW - DC-9-83, WAS OPERATED BY AMERICAN AIRLINES AS FLIGHT 1708, ENROUTE FROM LAS TO ORD.  THE CREW DECLARED AN EMERGENCY AND DIVERTED TO OMA DUE TO A PRESSURZATION PROBLEM.  THE CREW REPORTED THAT AT FL250 UPON ENTERING WEATHER THE LEFT PACK FAILED.  THE HEAT SPIKED TO FULL HOT AND THE CABIN ALTITUDE REACHED OVER 10,000.  ALL MASKS DEPLOYED.  THE FLIGHT CREW WAS USING THE LEFT PACK ONLY BECAUSE THE RIGHT PACK WAS DEFERRED.  CONTRACT MAINTENANCE SIGNED THE AIRCRAFT OFF FOR A FERRY FLIGHT TO TUL FOR MAINTENANCE.  COMPANY MAINTENANCE IN TUL REPLACED THE LEFT AND RIGHT TEMPERATURE CONTROL VALVES, AND THE WATER SEPARATOR TEMPERATURE CONTROL VALVE.

## Other reports on N931TW (1)

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

- [Incident 19971015042609I](https://openairdocs.org/incident/19971015042609I), Oct 15, 1997: Doug DC983 (N931TW), Albuquerque, NM. Narrative: on take off (abq) aircraft's no. 1 engine (l) lost power. Emergency equipment called out. Returned to abq. Contract maintenance called. Found pieces…

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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