As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LEFT HAND AND RIGHT HAND AFT LOWER EMERGENCY SIGN LIGHTS INOPERATIVE. **ORIGINAL REPORT WAS AALA202203256510** REPLACED EMERGENCY POWER SUPPLY UNITS 12WL AND 11WL (AALA202203293282) PER AMM 33-51-15. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.