What was found
DURING HEAVY MAINTENANCE CHECK, EMERGENCY LIGHT BATTERY PACK M9802 WILL NOT CHARGE. REMOVED AND REPLACED BATTERY PACK IAW B727 MM 335023. OPS CHECK NORMAL IAW B727 MM 335023.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE CHECK, EMERGENCY LIGHT BATTERY PACK M9802 WILL NOT CHARGE. REMOVED AND REPLACED BATTERY PACK IAW B727 MM 335023. OPS CHECK NORMAL IAW B727 MM 335023.