What was found
AIRCRAFT WAS GROUNDED. EMERGENCY LIGHTS FAILED FUNCTIONAL CHECK PER J/C 33C20033002 DURING A 4 CHECK. REPLACED 8 EMERGENCY POWER SUPPLY UNIT BATTERIES PER AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED. EMERGENCY LIGHTS FAILED FUNCTIONAL CHECK PER J/C 33C20033002 DURING A 4 CHECK. REPLACED 8 EMERGENCY POWER SUPPLY UNIT BATTERIES PER AMM 33-51-38.