JAKARTADAILY.ID - Super Air Jet, part of the Lion Air Group, received a complaint from one of their "super guests" - a term for Super Air Jet passengers - regarding a "noise" from the aircraft engine which sounded disconcerting.
This happened on flight number IU-755 from Bali to Jakarta, last Sunday, March 5, 2023.
Responding to complaints from super guests, Super Air Jet Main Director, Ari Azhari explained that the flight crew on duty had tried to resolve complaints that had arisen in a safe and proportionate manner.
"We want to emphasize that the safety and comfort of all passengers is a top priority for Super Air Jet. Therefore, the pilot's decision was correct, namely deciding to return to the aircraft parking lot," he explained, Jakarta, Tuesday, March 7, 2023.
Based on the data they collected, the condition of the Airbus 320 200 aircraft registered PK-STD was in prime condition and safe to operate. The results of operational and system checks on the aircraft are normal, the sound source is from GTC (compressed air supplier), power supply GPU, hydraulic pump, and Power Transfer Unit (PTU) to produce hydraulic pressure (a major component in the aircraft hydraulic system).
This hydraulic system is used to operate various kinds of equipment on the aircraft, such as braking, ground steering, landing gear, and flight control. These systems are all turned on in preparation for departure and produce a "noise" sound that sounds uncomfortable. The condition of the sound produced is normal.
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