What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot stated after he departed dsm and reached 7000 feet the right engine oil pressure light illuminated. He verified the loss of oil pressure on the right engine oil pressure gauge which was showing a steady decrease in pressure. He also stated at this time he made the decision to secure the engine, declare an emergency, and return to dsm airport. The a/c was returned to the dsm airport without further incident. A/c was delivered to Des Moines flying service maintenance shop. Maintenance personnel found the oil pressure line from the engine to the oil cooler had ruptured. They installed a new oil pressure line (part number AE7010201K0240) and approved the a/c for return to service. Inspection department stated they would complete a malfunction and defect report and forward to the dsm FAA office.
As the FAA filed it
(-23) PILOT STATED AFTER HE DEPARTED DSM AND REACHED 7000 FEET THE RIGHT ENGINE OIL PRESSURE LIGHT ILLUMINATED. HE VERIFIED THE LOSS OF OIL PRESSURE ON THE RIGHT ENGINE OIL PRESSURE GAUGE WHICH WAS SHOWING A STEADY DECREASE IN PRESSURE. HE ALSO STATED AT THIS TIME HE MADE THE DECISION TO SECURE THE ENGINE, DECLARE AN EMERGENCY, AND RETURN TO DSM AIRPORT. THE A/C WAS RETURNED TO THE DSM AIRPORT WITHOUT FURTHER INCIDENT. A/C WAS DELIVERED TO DES MOINES FLYING SERVICE MAINTENANCE SHOP. MAINTENANCE PERSONNEL FOUND THE OIL PRESSURE LINE FROM THE ENGINE TO THE OIL COOLER HAD RUPTURED. THEY INSTALLED A NEW OIL PRESSURE LINE (PART NUMBER AE7010201K0240) AND APPROVED THE A/C FOR RETURN TO SERVICE. INSPECTION DEPARTMENT STATED THEY WOULD COMPLETE A MALFUNCTION AND DEFECT REPORT AND FORWARD TO THE DSM FAA OFFICE.