# Incident 19811231087839I: Doug DC1010, Chicago, IL, December 31, 1981

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: December 31, 1981, 15:50 local time
- Place: Chicago, IL
- Airport: O'Hare
- Phase of flight: Climb
- Operating rules: Air carrier (Part 121)
- Operator: WALA
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Aircraft: N1805U, a cancelled registration (https://openairdocs.org/deregistered/N1805U-1994-05-03) (OpenAirDocs)
- Registry model: Mcdonnell Douglas DC-10-10 (registry code 3022110, https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (OpenAirDocs)
- Reported make and model: DOUG DC1010
- People aboard: 234
- Fatal injuries: 0
- Pilot flight hours: 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/19811231087839I

## Narrative

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

UNABLE TO GET LANDING GEAR UP PILOT RETURNED TO O HARE. FOUND NR 3 MANIFOLD BYPASS VALVE FAILED IN OPEN POSITION.

## Other reports on N1805U (2)

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

- [Incident 19830709040219I](https://openairdocs.org/incident/19830709040219I), Jul 9, 1983: Doug DC1010 (N1805U), Boston, MA, Minor damage. While lowering landing gear a part of the brake assembly fell from the aircraft and penetrated a residential roof.
- [Incident 19801202085789I](https://openairdocs.org/incident/19801202085789I), Dec 2, 1980: Doug DC1010 (N1805U), Newark, NJ, Minor damage. Zk engine shut down after compressor stall. Maintenance changed engine.

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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