What was found
NR 2 ENGINE HAS MULTIPLE EEC CHANNEL B CONTROL CURRENT FAULTS. WHILE PERFORMING TC 78273000 RECORDED MULTIPLE FAULT CODES: 73-20322, THE HMU FMU CONTROL CURRENT IS OUT OF RANGE, 73-20042, INTERNAL EEC FAULT, FAULT CODE 75-20372, THE HMU VSV CONTROL CURRENT IS OUT OF RANGE, 75-20422, THE HMU VBV CONTROL CURRENT IS OUT OF RANGE, 75-20572, THE HMU TBV CONTROL CURRENT IS OUT OF RANGE, 75-20292, THE HMU HPTACC CONTROL CURRENT IS OUT OF RANGE, 75-20522, THE HMU LPTACC CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. REPLACED NR 2 EEC REF MM 73-21-60-400-801-F00, OPS NORMAL REF MM 71-00-00-800-811-F00 AND MM 73-21-00-700-802-F00.