# Incident 19810223011449I: Boeing 727222, Chicago, IL, February 23, 1981

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: February 23, 1981, 20:12 local time
- Place: Chicago, IL
- Airport: Ohare
- Phase of flight: Descent
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- 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: N7638U, a cancelled registration (https://openairdocs.org/deregistered/N7638U-2007-02-16) (OpenAirDocs)
- Registry model: Boeing 727-222 (registry code 1384073, https://openairdocs.org/model/boeing-727-222) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D-1 (registry code 52044, https://openairdocs.org/engine/pratt-whitney-jt8d-1) (OpenAirDocs)
- Reported make and model: BOEING 727222
- People aboard: 46
- 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/19810223011449I

## Narrative

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

DURING DESCENT LOST A SYSTEM HYDRAULIC FLUID. FOUND GEAR DOOR ACTUATOR LEAK.

## Other reports on N7638U (2)

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

- [Incident 19850923054879I](https://openairdocs.org/incident/19850923054879I), Sep 23, 1985: Boeing 727222 (N7638U), Wichita, KS. Uncontrollable increase in cabin pressurization. Emergency descent and safe landing. Recurrent undetermined problem
- [Incident 19840610045779I](https://openairdocs.org/incident/19840610045779I), Jun 10, 1984: Boeing 727222 (N7638U), FL, Minor damage. Shutdown nr 3 engine due to vibrations. Aborted takeoff. Found last stage stator and turbine wheel blades missing.

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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