What was found
PIT - MAINTENANCE REPORTED THE EMERGENCY LIGHT BATTERY PACK FOR CHARGER ASSEMBLY M1137 WILL NOT HOLD A CHARGE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK FOR CHARGER ASSEMBLY M1137. OPERATIONAL TEST GOOD PER MM 33-51-51.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - MAINTENANCE REPORTED THE EMERGENCY LIGHT BATTERY PACK FOR CHARGER ASSEMBLY M1137 WILL NOT HOLD A CHARGE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK FOR CHARGER ASSEMBLY M1137. OPERATIONAL TEST GOOD PER MM 33-51-51.