As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND THE EMERGENCY LIGHT GOES OFF WITHIN 15 MINUTES. (M5057, M7921, M7920).(<P>1. IAW AMM 33-51-04-902-001-001 REV 111 REMOVED EMERGENCY LIGHT BATTERY 3 EA. 2. IAW AMM 33-51-04-902-001-001 REV 112 INSTALLED & TEST THE EMERGENCY LIGHT, RESULT WAS SATISFACTORY.</P>)