As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD EMERGENCY LIGHTS BATTERY PACK 10WL FAILS TO ILLUMINATE W ITH THE CONTROL SWITCH IN ARM AND C/B''S PULLED - SUPPORT TASK - NR 9294241 (28241) GENERATED BY V061627 AT HAECO LCQ. REMOVED AND REPLACED 10WL EPSU BATTERY AND OP CHECKS GOOD IAW A3 20 AMM 33-51-38-000-002-A, 33-51-38-400-002-A AND 33-51-00-710-0 01-A. ACCOMPLISHED BY V061637, INSP BY N078570.