TM 9-2320-364-20-22-187615. SERVICE BRAKES ON AXLES NO. 1 AND NO. 2 DO NOT RELEASE (CONT).6.Do service brakes on AxlesNo. 1 and No. 2 release?Fault not corrected.Notify DS Maintenance.YESNOBrakes on Axles No. 1 and No. 2 fail to release.Air lines OK.Service relay valve No. 1 OK.Air chambers OK.Brakes OK.KNOWN INFOPOSSIBLE PROBLEMSTEST OPTIONSREASON FOR QUESTIONVerify repair.If service brakes on Axles No. 1and No. 2 release, fault hasbeen corrected.Fault corrected.