System Component Failure Or Malfunction (Powerplant), Jayawijaya Dirgantara (Boeing 737-200 PK-JRW); Sentani International Airport, KNKT.21.12.20.04

A Boeing 737-200 aircraft, registration PK-JRW, was being operated by PT Jayawijaya Dirgantara on a non-schedule cargo flight from Sentani International Airport, Jayapura, Papua (WAJJ) to Wamena Airport, Papua, Indonesia (WAVV). Onboard in this flight was two pilots, one Flight Operation Officer (FOO), one engineer and 12,556 kg of cargo. According to the weight and balance report, the aircraft was operated within the weight and balance envelope.

On 17 December 2021 at 2320 UTC (18 December 2021 at 0820 LT) the aircraft block off. The Pilot in Command (PIC) acted as Pilot Flying (PF) and the Second in Command (SIC) acted as Pilot Monitoring (PM).

At 0831 LT, after the aircraft line up on the runway 30 of Sentani, the aircraft initiated the takeoff roll. When aircraft reached the rotation speed for take off, a loud bang was heard and the aircraft experienced heavy vibration.

The PM reported to the Sentani Air Traffic Control Officer (ATCo) about the problem and indicated the emergency situation. The ATCo acknowledged the situation and provided the relevant guidance to the pilots for returning.

The PM requested to climb to altitude of 4,500 feet for holding and conducted the NonNormal Checklist (NNC) of Engine Sever Damage, afterward the pilots preparing to return to Sentani.

At 0903 LT, the aircraft safely landed in Sentani. After the aircraft parked on the parking bay, the engineer checked the right engine and found that the engine was severely damaged.

The investigation is ongoing. The KNKT did not receive any safety action from the operator and in this preliminary investigation report KNKT issued safety recommendation.