As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AND CONFIGURED TO LAND HAD EICAS MESSAGE LEFT WING SLIDE FOR 1-2 MINUTS WENT OUT ON IT'S OWN. R & R LT WING SLIDE PROX SENSOR REF B757 WIRING DIAGRAM 527111 AND 527121. ADJUSTMENT REF B757 AMM 52-71. DISARM AND ARM OFF WING ESCAPE SYS REF B757 AMM 25-65. OPS CKS GOOD.