As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG NR 2 LONG TIME FAULT MSG# 73-31162 THE MECHANICAL OVERSPEED PROTECTION SIGNAL IS OUT OF RANGE DEFERRED PER TASK CARD. GROUNDED - YES. ACCOMPLISHED FIM 73-25 TASK 805, NO FAULTS NOTED. PER FIM, REPLACED NR 2 EEC REF AMM 73-21-60. THIS CLEARS PLT.