It could be a thrust surge if contaminated fuel, sounds potentially similar to the CX A330:
Report on the accident to Airbus A330-342 B-HLL operated by Cathay Pacific Airways Limited at Hong Kong International Airport, Hong Kong on 13 April 2010
SYNOPSIS Cathay Pacific Airways Limited (CPA) flight CPA780 declared “MAYDAY” when approaching Hong Kong International Airport (VHHH) with control problem on both engines. The aircraft landed at a groundspeed of 231 knots, with No. 1 engine stuck at about 70 % N1 and No. 2 stuck at about 17 % N1.