As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT ON SEAT 1CA WILL NOT COME ON. REMOVED AND REPLACED EMER ESCAPE PATH LIGHT SEAT FLOOR HARNESS IAW A321 ESPM 20-33-11. PERFORMED OPS TEST OF EPSU BITE CHECK IAWA321 AMM 33-51-00-710-001-A, OPS TEST GOOD.