What was found
AIRCRAFT NOT GROUNDED: EMERGENCY LIGHT. TEST FAILED EPSU INT LOAD EMER L. REMOVED AND REPLACED THE BATTERY PACK 13WL IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT NOT GROUNDED: EMERGENCY LIGHT. TEST FAILED EPSU INT LOAD EMER L. REMOVED AND REPLACED THE BATTERY PACK 13WL IAW AMM 33-51-38.