As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST CLASS RIGHT SIDE EMERGENCY PATH LIGHTING INOP. INSTALLED POWER PACK M1552 BUT UPON TEST POWER PACK WAS NOT HOLDING LOAD. AWAITING NEW POWER PACK, SIDEWALL PANEL IS REMOVED. RECHARGED BATTERY THAT WAS INSTALLED BY PREVIOUS SHIFT. OPS OK. NEW POWERPACK THAT WAS ORDERED DOES NOT HOLD CHARGE.