# Incident 19810622041629I: Boeing 72722, Chicago, IL, June 22, 1981

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: June 22, 1981, 17:23 local time
- Place: Chicago, IL
- Airport: Ohare
- Phase of flight: Normal Cruise
- 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: N7023U, a cancelled registration (https://openairdocs.org/deregistered/N7023U-1996-04-17) (OpenAirDocs)
- Registry model: Boeing 727-22 (registry code 1384002, https://openairdocs.org/model/boeing-727-22) (OpenAirDocs)
- Reported make and model: BOEING 72722
- People aboard: 83
- 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/19810622041629I

## Narrative

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

LOSS OF A SYSTEM HYDRAULIC FLUID DUE TO LEAKY PRESSURE LINE OUTBOARD OF A SYSTEM MODULE. REPLACED LINE AND PUMPS.

## Other reports on N7023U (3)

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

- [Incident 19871022063269I](https://openairdocs.org/incident/19871022063269I), Oct 22, 1987: Boeing 72722 (N7023U), Wichita, KS. Nose gear doors did not close after takeoff. Returned safely. Serviced the struts, aircraft departed.
- [Incident 19810318015989I](https://openairdocs.org/incident/19810318015989I), Mar 18, 1981: Boeing 72722 (N7023U), Kansas City, MO. Number 3 engine shut down inflight. Maintenance found a cracked fuel line.
- [Incident 19800109014519I](https://openairdocs.org/incident/19800109014519I), Jan 9, 1980: Boeing 72722 (N7023U), Chicago, IL. Left main gear would not retract. Found uplock mechanism hook out of adjustment.

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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