As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 388 BAD MUSTY SMELL FROM AC UNIT WHEN ON GROUND AND WHEN SELECTING FLAPS IN AIR. CORRECTIVE ACTION: AFTER SHUTDOWN OF APU FOUND LEAK ON THE RIGHT SIDE OF APU GENERATOR CASE. REPLACED GENERATOR. OPERATED PACKS AND NO SMELL INDICATED. ACCOMPLISHED DECONTAMINATION OF THE ECS. (7743349)