# Incident 19860511022809I: Boeing 72731, St Louis, MO, May 11, 1986

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 11, 1986, 14:30 local time
- Place: St Louis, MO
- Airport: Lambert St Louis International
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: TWAA
- Location: 38.6273° N, 90.1979° W: Placed by OpenAirDocs: center of St. Louis, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6273&lon=-90.1979&mi=10
- Aircraft: N7892, a cancelled registration (https://openairdocs.org/deregistered/N7892-1990-08-10) (OpenAirDocs)
- Registry model: Boeing 727-31 (registry code 1384010, https://openairdocs.org/model/boeing-727-31) (OpenAirDocs)
- Reported make and model: BOEING 72731
- People aboard: 66
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19860511022809I

## Narrative

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

A SYSTEM HYDRAULIC WENT TO ZERO IN CRUISE. LANDED SAFELY. FOUND LOWER RUDDER HYDRAULIC BOOST PACKAGE LEAKING.

## Other reports on N7892 (3)

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

- [Incident 19890608055389I](https://openairdocs.org/incident/19890608055389I), Jun 8, 1989: Boeing 72731 (N7892), Miami, FL. Lost cabin pressure on climb . Emergency descent. Oxygen masks deployed. Out flow valve obstructed with insulation.
- [Incident 19870812066339I](https://openairdocs.org/incident/19870812066339I), Aug 12, 1987: Boeing 727100 (N7892), Glendale, AZ, Minor damage. Caught in strong thermal activity during landing flair and dragged a wing tip on the runway.
- [Incident 19801117079979I](https://openairdocs.org/incident/19801117079979I), Nov 17, 1980: Boeing 72731 (N7892), Amarillo, TX, Minor damage. Landing in slush caused damage to light lens, tail skid, and right inboard flap.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
