As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENG WASH FOR # 2 ENGINE, SMT MESSAGE DURING FIRST ENG RUN "ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE". GROUNDED - YES. PERFORMED IFIM TASK 36-21-00-810-804. VERIFIED IASC P/N IS 51090322-002. PER IFIM SUSPECT NUISANCE FAULT. MESSAGE CLEARED WITH LRU- REPLACEMENT TEST.