As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
U/D EXIT SIGN CTR AND U/D EMER LT AISLE CTR #3 COUNT FROM FWD FOUND WENT OFF IN LESS THAN 15 MINS, M5056 PWR SUPPLY BATTERY NEED REPLACEMENT.(<P>M5056 PWR SUPPLY REPLACED AND INSTALLATION TEST RESULT 'NORMAL' IAW AMM 33-51-04 REV.104, 15MAR2022.</P>)