As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT #2727, WHEN FLAPS SELECTED 15 DEGREES,CAPT AND FO'S YOKE VIBRATE UNTIL FLAPS SELECTED TO 20 DEGREES CAPT YOKE ALSO HAS RATTLE THAT ONLY STOPS WHEN HOLDING YOKE WITH PRESSURE. MAINTENANCE PERFORMED AILERON SYSTEM CABLE CHECK. NOTED LHOB AFT CABLE CIRCUIT TENSION INCORRECT. ADJUSTED TENSION AS REQURIED. REF SAAB AMM CH 27-110-002.