# Incident 19860623055669I: Boeing 727232, Chicago, IL, June 23, 1986

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: June 23, 1986, 13:35 local time
- Place: Chicago, IL
- Airport: Chicago O Hare International
- Phase of flight: Initial Approach-IFR
- Operating rules: Air carrier (Part 121)
- Operator: DALA
- Location: 41.9769° N, 87.9081° W: Placed by OpenAirDocs at CHICAGO O'HARE INTL (ORD), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9769&lon=-87.9081&mi=10
- Aircraft: N475DA, a cancelled registration (https://openairdocs.org/deregistered/N475DA-2000-04-18) (OpenAirDocs)
- Registry model: Boeing 727-232 (registry code 1384082, https://openairdocs.org/model/boeing-727-232) (OpenAirDocs)
- Reported make and model: BOEING 727232
- People aboard: 44
- Fatal injuries: 0
- Pilot flight hours: 0 total, 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/19860623055669I

## Narrative

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

AILERON CONTROL FAILED TO DISENGAGE USING YOKE MOUNT AUTOPILOT SWITCH. REPLACED AILERON SERVO AND CONTROLLER.

## Other reports on N475DA (3)

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

- [Incident 19971103036739I](https://openairdocs.org/incident/19971103036739I), Nov 3, 1997: Boeing 727 (N475DA), Buffalo, NY. Lost hydro b system on approach. Spoiler hydraulic line cracked.
- [Incident 19830406018529I](https://openairdocs.org/incident/19830406018529I), Apr 6, 1983: Boeing 727232 (N475DA), Dallas, TX, Substantial damage. Entering an area of precipitation pilot encountered hail. Substantial damage to aircraft.
- [Incident 19800803066859I](https://openairdocs.org/incident/19800803066859I), Aug 3, 1980: Boeing 727232 (N475DA), Flushing, NY, Substantial damage. Aborted takeoff due to engine vibration. Compressor section failed.

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.
