What was found
AIRCRAFT IN BASE MAINTENANCE - EPSU (EMERGENCY POWER SUPPLY UNIT) M33424 FAILED OPS CHECK, L1 DOOR. REPLACED BATTERY PACK, EPSU M33424, PER AMM 33-51-06, OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE - EPSU (EMERGENCY POWER SUPPLY UNIT) M33424 FAILED OPS CHECK, L1 DOOR. REPLACED BATTERY PACK, EPSU M33424, PER AMM 33-51-06, OPERATIONAL CHECK GOOD.