At least five technical glitches—rather than a single malfunction—were detected on the special Biman Bangladesh Airlines flight carrying Prime Minister Tarique Rahman back from his visit to Japan, according to a review of the aircraft's technical logs and maintenance records.

The inquiry committee formed over the incident is currently examining the plane's history of malfunctions, maintenance track record, and the rationale behind selecting the aircraft for a VVIP flight.

On October 29, prior to departing from Narita International Airport in Japan for Dhaka, Biman Bangladesh Airlines flight BG-377—carrying the Prime Minister and his entourage—developed technical issues.

As the aircraft was taxiing toward the runway, the pilot received multiple warning signals in the cockpit. Takeoff was subsequently aborted, and the aircraft was returned to the parking bay.

Following repair efforts and necessary technical measures by Biman’s engineering team and Japanese technicians, the flight departed for Dhaka after a delay of nearly five hours.

Biman Bangladesh Airlines had initially stated that a malfunction occurred in the operation of the aircraft's hydraulic spoiler number-1, and engineers made the aircraft airworthy by deactivating the affected spoiler.

The following day, on October 30, Biman Bangladesh Airlines formed a four-member investigation committee.

The committee was tasked with identifying the root cause of the malfunction, reviewing the repair process, verifying the aircraft's airworthiness, and determining whether any negligence or lack of coordination occurred during the incident.

During the investigation, a review of the aircraft's technical logbooks and maintenance records revealed evidence of faults in the spoiler and flap extension systems, the pitot heating system, and both the right and left ram air fan systems.

According to a Biman source, the inquiry committee has already submitted its report, and the ministry will now make the next decision regarding the matter.

Meanwhile, aviation experts have advised taking strict action against those responsible if negligence in ensuring the safety of a VVIP flight is proven.

Nafiz Imtiaz Uddin, a former director of Biman Bangladesh Airlines, stated, "The spoiler not moving up and down is an issue with the sensor and the aircraft. Passenger safety always takes top priority above everything else.

Moreover, when someone like the Prime Minister is traveling, every single component of the aircraft is expected to be thoroughly inspected. If the investigators have found any negligence or faults regarding this incident, action must definitely be taken."