What was found
WHILE WORKING OPN NR 78100 ITEM 2 STEP 9, PACKS FAIL TO ILLUMINATE EMERGENCY LIGHTS FOR TEN MINUTES. REPLACED POWER SUPPLY, OPERATION NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE WORKING OPN NR 78100 ITEM 2 STEP 9, PACKS FAIL TO ILLUMINATE EMERGENCY LIGHTS FOR TEN MINUTES. REPLACED POWER SUPPLY, OPERATION NORMAL.