As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RTFL DUE TO MULTIPLE NR 2 ENGINE FAULTS. [SUP 05-16-07] COMPOUNDING FAULTS DUE TO A FAULTY ENGINE INTERFACE UNIT. NR 2 ENGINE EIU WAS REPLACED. UPON FURTHER TEARDOWN AND INSPECTION, EIU MOTHERBOARD WAS FOUND TO BE FAULTY. PRESSURIZATION SYSTEM, PACKS AND AUTO THROTTLES CHECKED OK AND NO REVERSER INDICATIONS WERE NOTED DURING ENGINE TEST RUN.