Boeing 727-200 N1984

Summary

On 7 September 1983 at about 21:00 local time, a Boeing 727-200 registered N1984 was involved in an incident near Chicago, Illinois, United States. 116 people were on board and nobody was injured. The aircraft was slightly damaged. No probable cause statement is available for this record.

Date

7 September 1983 at 21:00

Classification

Incident

Location

Chicago, Illinois, United States

Nearest airport

O'hare (ORD)

Coordinates

Not recorded

Aircraft

Boeing 727-200

Registration

N1984

Category

Airplane

Engines

3

Operator

Not recorded

Operating rule

Part 121: Air Carrier

Purpose of flight

Unknown

Phase of flight

Not recorded

Route

Sacramento → Unknown

Aircraft damage

Minor

Weather

VMC

Light

Day

NTSB number

CHI83IA418

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

THE ACFT EXPERIENCED A LEFT WALKING BEAM FAILURE WHEN THE LANDING GEAR WAS EXTENDED DURING APPROACH, THE ACFT LOG WAS NOTED 'DURING GEAR EXTENSION AT 230 KTS TREMENDOUS BANG OCCURRED WHICH DROPPED PANELS AT ROWS 15-7 02 MASKS AT ROW 18. THREE GREEN NORMAL GEAR INDICATION. ON TAXI IN---NO ABNORMALITIES NOTED.' THE FAILED WALKING BEAM WAS MADE OF ALUMINUM. THREE IS AN AD FOR THIS PART CALLING FOR ULTRASONIC INSPECTION EVERY 1500 HOURS. DURING AN INSPECTION A MECHANIC MISTOOKTHE BEAM FOR A STEEL ONE AND THE INSPECTION WAS NOT COMPLIED WITH AT THE PROPER TIME. AAL HAS TAKEN CORRECTIVE ACTION AND AT LAST COUNT ALL ALUMINUM BEAMS HAD BEEN REPLACED.

Quoted verbatim from the NTSB record.