Chinaâ€™s J-20 stealth fighter Suffering from Technical Problems admits state media SOURCE: IDRW Problems with the Chengdu J-20, Chinaâ€™s first fifth-generation stealth fighter, were recently revealed in state media for the first time, according to Duowei News, an outlet operated by overseas Chinese. China Aviation News reported that at least two malfunctions were encountered by Chengdu Aircraft Industry Group when the first production version of a J-20 with the serial number 2011 was taxiing on the ground on Jan. 29. First was a system breakdown, then came an unexpected malfunction when the fighterâ€™s engine of was conducting test run. The plane finally conducted its first successful test flight on Mar. 2 and later completed two further test flights. The report said that the stealth fighter is likely to enter service with the Peopleâ€™s Liberation Army Air Force in small numbers in 2016.