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What Happened
“On 7 January 2026, an Airbus A380-842 aircraft, registered VH-OQK and operated by Qantas Airways Limited, arrived at Sydney Airport, New South Wales, from Los Angeles International Airport, United States. Following arrival, maintenance was conducted on the aircraft’s air conditioning system, which required access to an internal area of the left wing.
After the conduct of this maintenance, a work light was inadvertently left in the aircraft wing and the aircraft departed later in the afternoon on a scheduled flight to Dallas Fort Worth International Airport (DFW), United States. The work light was subsequently found following the aircraft’s return to Sydney Airport from DFW on 9 January 2026.
What The ATSB Found
The ATSB found that the occurrence resulted from a breakdown in foreign object control and tool accountability processes during and after maintenance. Following maintenance on the air conditioning system, the maintainers did not identify that a work light had remained in the left wing during their foreign object clearance inspections. In addition, while returning the tools, the maintainer did not identify that the work light had not been returned and the unreturned tool check at the end of the shift also did not identify the unreturned light.
The ATSB also found that tool control procedural defences did not prevent the aircraft from being released to service with the unaccounted tool. The licensed aircraft maintenance engineer issued a certificate of release to service (CRS) despite the work light being unaccounted for. Contributing to this, the operator’s maintenance information system did not provide a prompt or control to alert the certifier to the unreturned tool or the unactioned unreturned tool report prior to CRS issue. This allowed the omission to go undetected.
What Has Been Done as a Result
Following the occurrence, Qantas released a safety directive to address changes to its tooling control processes and procedures. It has also formed a tooling working group to work on various initiatives, including new technologies, to improve tool control across its various maintenance locations.
Safety Message
Foreign object debris and damage poses a significant risk to the safe operation of aircraft. To mitigate this risk, regulations, procedures and training have been developed and refined, particularly to manage the introduction of foreign objects during maintenance. Central to these controls is the effective application of tool control, which serves as a fundamental defence against human error.
However, this occurrence demonstrates that even well-established processes are vulnerable when they rely solely on consistent human performance. Maintenance tasks are often conducted in challenging environments and under operational pressures, and human performance can vary accordingly. Tool control systems and procedures must therefore be designed to account for this variability, incorporating robust checks and safeguards capable of detecting and recovering from errors, particularly during routine or repetitive tasks where the likelihood of oversight may increase.”
Photo Source: Aleem Yousaf, CC BY-SA 2.0 <https://creativecommons.org/licenses/by-sa/2.0>, via Wikimedia Commons