As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENG GND WING TAI TEMP SOL VALVE CONNECTOR FOUND DAMAGED. GROUNDED - YES. REPLACED #2 ENGINE MW0311 HARNESS REF B737-800 MM 73-21-06. INSTALLATION TESTS REQUIRED. MW0311 INSTALL TEST GOOD REF AMM 73-21-06-400-802-F00 5.E.(2).(C).2). TAI SOLENOID VALVE TEST GOOD REF AMM 30-11-12-710-801. AVM SYSTEM OPS TEST GOOD REF AMM 77-31-00-710-801-F00.