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originally posted by: Zaphod58
a reply to: zazzafrazz
It's roughly the same age in most areas. The biggest thing is repeated production and maintenance issues that they've had in recent years.
When the Su-34 went operational last year, of the first 16 aircraft, two were grounded completely, the other 14 had problems from radar not working right (you could use the radar or radio in one aircraft), to navigation problems, to the fire control system not working. They said you could take the same control board out of three aircraft, and it would be built in three different ways, including at least one where parts were soldered onto the wrong side of the board.
originally posted by: Zaphod58
a reply to: zazzafrazz
They have massively increased their operations tempo, on largely older aircraft, that have had maintenance and fuel issues in the past. It's catching up to them in a hurry.