As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS EMERGENCY LIGHTS NOT STAYING ILLUMINATED MORE THAN 20 SECOND WHEN SWITCHED ON. TROUBLESHOT THE EMERGENCY LIGHTS AND REPAIR THE TIMING DELAY IAW AMM 33-51-02. OPS CHECKED GOOD IAW 33-51-02, 20 SECOND TIME DELAY OPS CHECKED GOOD IAW AMM 25-22-01, AND REMOVED AND REPLACED THE BATTERY PACK, OPS CHECKED GOOD AMM 33-51 -07.