As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MSG R EMER DOOR, PRESSURIZATION NORMAL AT FLIGHT LEVEL 390. OPENED R3 EMER DOOR FOR MX IAW 52-21-01-2. REMOVED AND REPLACED RT EMERGENCY DOOR PROX SWITCH SENSOR REFERENCE 757 WDM 52-71-21, ADJ/TEST REFERENCE AMM 52-71-00-5-0, BITE TEST DOOR WARNING SYSTEM REFERENCE FIM 32-09 FAULT TREE 813 ALL TEST NORMAL. REINSTALLED RT EMERGENCY DOOR REFERENCE AMM 52-21-01-2.