Incident: Trigana B733 at Jayapura on Feb 25th 2020, runway excursion on backtrack

A Trigana Air Service Boeing 737-300, registration PK-YSG performing freight flight IL-7341 from Jayapura to Wamena (Indonesia) with 4 crew and 16 tons of goods, was backtracking runway 30 for departure from Jayapura when the aircraft suddenly turned around about abeam taxiway D (about half way down the runway, 1585 meters from threshold runway 30, 1400 meters from end of runway 30). The aircraft had suffered damage to a nose wheel, the left main wheels rotated almost 90 degrees, the right main gear went off the paved surface. The aircraft was disabled on the runway. There were no injuries.

The crew reported they were taxiing to line up for departure.

Ground observers reported the occurrence happened shortly before takeoff, while it appeared to line up for departure it went off the runway.

The airport reported the aircraft was taxiing for departure when it went off runway 30. The airport was closed for about 5 hours until the aircraft could be moved off the runway.

Indonesia’s KNKT opened an investigation.

Related NOTAMs:
B0587/20 NOTAMN
Q) WAAF/QMRLC/IV/NBO/A/000/999/0234S14031E005
A) WAJJ B) 2002242310 C) 2002250300 EST
E) RWY 12/30 CLSD DUE TO BLOCKED BY ACFT

B0587/20 NOTAMN
Q) WAAF/QMRLC/IV/NBO/A/000/999/0234S14031E005
A) WAJJ B) 2002242310 C) 2002250300 EST
E) RWY 12/30 CLSD DUE TO BLOCKED BY ACFT

B0588/20 NOTAMR B0587/20
Q) WAAF/QMRLC/IV/NBO/A/000/999/0234S14031E005
A) WAJJ B) 2002250153 C) 2002250600 EST
E) RWY 12/30 CLSD DUE TO BLOCKED BY ACFT

B0124/20 NOTAMN
Q) WAAF/QMXLC/IV/M/A/000/999/0234S14031E005
A) WAJJ B) 2001132000 C) 2004131100
E) TWY F CLSD DUE TO SURFACE DAMAGE

B6176/19 NOTAMR B4949/19
Q) WAAF/QLYAS/IV/M/A/000/999/0234S14031E005
A) WAJJ B) 1912190341 C) 2003191100
E) TWY LGT NP, D, E AND F U/S

The disabled aircraft: