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Air India AI171 Crash: AAIB's Preliminary Report Signals Possible Mechanical Failure

Air India Flight AI171, which departed from Ahmedabad for London on June 12, met with a catastrophic fate shortly after takeoff. Tragically, 241 of the 242 people onboard lost their lives. On July 12, the Aircraft Accident Investigation Bureau (AAIB) released its preliminary findings. Sampadak Express presents a comprehensive analysis of the unfolding investigation.

AAIB Identifies Engine Shutdown During Initial Climb
According to AAIB data reviewed by Sampadak Express, both engines failed almost immediately after liftoff. Although investigators later found the thrust levers near idle position, black box recordings reveal they remained fully forward until impact. Furthermore, both fuel control switches stayed in RUN mode, eliminating any possibility of intentional disengagement during descent.

Sabotage Ruled Out
Moving to security concerns, Sampadak Express reports that investigators ruled out sabotage. The flap settings were confirmed at 5 degrees, and the landing gear lever stayed correctly deployed. These positions comply with aviation standards, reinforcing that the flight crew followed protocol.

FAA Advisory Went Unchecked
Turning to maintenance oversight, Sampadak Express highlights a key omission. In 2018, the US Federal Aviation Authority (FAA) issued an advisory concerning locking feature issues in fuel control switches across certain Boeing 737 aircraft. Because this alert lacked mandatory directives, Air India chose not to launch a detailed review—a decision now under scrutiny.

Maintenance Records and Timeline Clarified
Looking into the aircraft’s history, Sampadak Express confirms that VT-ANB underwent throttle control module replacements in 2019 and again in 2023. These upgrades did not involve the fuel control system. Since 2023, no malfunction reports surfaced regarding the fuel switch, which makes a direct technical fault difficult to prove at this stage.

Investigation Still Active, Further Insights Expected
While the AAIB’s preliminary report suggests potential mechanical or systemic failure, the full scope of the crash remains under examination. Sampadak Express continues to monitor the situation closely and will provide verified updates as more evidence emerges.

Air India Offers Condolences and Cooperates
In response, Air India has expressed deep sympathy to grieving families. The airline stated that it is cooperating with regulatory bodies and remains engaged in the ongoing inquiry. Until final conclusions appear, the airline has deferred all technical questions to AAIB.

For continued coverage, technical insights, and safety evaluations, stay connected with Sampadak Express—your reliable source for aviation updates and accountability journalism.


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