As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS IN BASE MAINTENANCE. CRACK ON LEFT HAND EMERGENCY DOOR SIGN IN PASSENGER CABIN. REPLACED EMERGENCY DOOR SIGN PER AMM 33-51-16-400-001-A AND PERFORMED OPERATIONAL TEST OF EMERGENCY EXIT LIGHT, TEST IS OK IAW AMM 33-51-16-400-001-A.