As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND THE EMERGENCY LIGHT BATTERY PACK (M5169) FUNCTIONAL FAIL(<P>1) IAW AMM 33-51-04-902-001-001 REV 103 REPLACED THE EMERGENCY LIGHT BATTERY PACK (M5169). 2) IAW AMM 33-51-04-903-001-001 REV 103 PERFORMED POWER SUPPLY TEST OF M5169, THE RESULT WAS SATISFACTORY</P>)