What was found
AIRCRAFT WAS IN HEAVY CHECK. R4 DOOR EMERGENCY POWER SUPPLY (M33409) INOPERABLE. REPLACED EMERGENCY POWER SUPPLY (M33409) PER AMM 33-51-06. (SEE CONTROL AALA201802229031)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS IN HEAVY CHECK. R4 DOOR EMERGENCY POWER SUPPLY (M33409) INOPERABLE. REPLACED EMERGENCY POWER SUPPLY (M33409) PER AMM 33-51-06. (SEE CONTROL AALA201802229031)