# Incident 19810430027909I: Boeing 727, Chicago, IL, April 30, 1981

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 30, 1981, 19:48 local time
- Place: Chicago, IL
- Airport: Ohare
- Phase of flight: Takeoff Ground Roll
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- 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: N273US, a cancelled registration (https://openairdocs.org/deregistered/N273US-2014-09-25) (OpenAirDocs)
- Registry model: Boeing 727-251 (registry code 138408H, https://openairdocs.org/model/boeing-727-251) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D-5 (registry code 52046, https://openairdocs.org/engine/pratt-whitney-jt8d-5) (OpenAirDocs)
- Reported make and model: BOEING 727
- People aboard: 78
- 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/19810430027909I

## Narrative

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

ABORTED TAKEOFF DUE TO LOSS OF B SYSTEM HYDRAULIC PRESSURE. HYDRAULIC PUMP HAD BLOWN SEAL.

## Other reports on N273US (2)

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

- [Incident 19890228031429I](https://openairdocs.org/incident/19890228031429I), Feb 28, 1989: Boeing 727251 (N273US), Tampa, FL. NR3 fire light came on after takeoff. Returned to Tampa and landed without incident. Cause not given.
- [Incident 19811125083699I](https://openairdocs.org/incident/19811125083699I), Nov 25, 1981: Boeing 727200 (N273US), Minneapolis, MN. Aborted takeoff roll due to all warning lights on. Replaced master dim and test circuit board PN69482723.

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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