As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT 668, L/P 5900720) "L AFT EMER DOOR" EICAS CAUTION MESSAGE. PERFORMED BITE CHECK OF PSEU PER AMM 32-09-06. PSEU FAULTS LEFT AFT EMER EXIT SENSOR CODE 376. REMOVED AND REPLACED LEFT AFT EMER EXIT DOOR LOCKED SENSOR. ADJUSTED PER AMM 52-71-00. PSEU BITE TESTS GOOD PER AMM 32-09-06.