What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BATTERY M33408 FAILS TO HOLD CHARGE. REMOVED AND REPLACED M33408 POWER SUPPLY BATTERY PACK PER AMM 33-51-06-960-803.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BATTERY M33408 FAILS TO HOLD CHARGE. REMOVED AND REPLACED M33408 POWER SUPPLY BATTERY PACK PER AMM 33-51-06-960-803.