As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS COMMON TO M1668 ARE INOP. / REMOVED AND INSTALLED BATTERY AS PER AMM 33-51-06-960-805 STEP 4.D.(1);(2);(3);(4) LEAD 821 29FEB21 INSP 231 27FEB21 PERFORMED SATISFACTORY M1668 EMERGENCY LIGHTS TEST PER AMM 33-51-06-960-805.