What was found
(CAN) PNEUMATIC PUMP WARNING CAME ON IN CRUISE ON RETURN FLIGHT TO BASE (CARGO FLIGHT). REPLACED PUMP, USUAL DRY AIR PUMP FAILURE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) PNEUMATIC PUMP WARNING CAME ON IN CRUISE ON RETURN FLIGHT TO BASE (CARGO FLIGHT). REPLACED PUMP, USUAL DRY AIR PUMP FAILURE.