As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE ; OVER THE WINDOW DOOR ; EXIT SIGN LIGHT INOP<[01] REMOVED AND REPLACED BATTERY PACK UNDER WINDOW 16 LEFT SIDE ; OPS CHECKED GOOD PER M/M 33-51-06.;[02] 01 - REMOVED AND REPLACED PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTERY PACK REPLACEMENT - PERMANENT)] P/N ON AD-D717-01-100SWA. S/N BN 460812. P/N OFF D717-01-100SWA. S/N 26427.