What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: aircraft departed Harrisburg international airport (MDT) enroute to cleveland, oh (cle). During the climb, hydraulic pump caution light illuminated and hydraulic pressure decreased. Crew notified ATC and company operations and aircraft returned to MDT. An uneventful landing was made. Defective air release valve on top of hydraulic reservoir replaced. The aircraft was test flown and returned to service. Submission of malfunction and defect report closes this incident.
As the FAA filed it
NARRATIVE: AIRCRAFT DEPARTED HARRISBURG INTERNATIONAL AIRPORT (MDT) ENROUTE TO CLEVELAND, OH (CLE). DURING THE CLIMB, HYDRAULIC PUMP CAUTION LIGHT ILLUMINATED AND HYDRAULIC PRESSURE DECREASED. CREW NOTIFIED ATC AND COMPANY OPERATIONS AND AIRCRAFT RETURNED TO MDT. AN UNEVENTFUL LANDING WAS MADE. DEFECTIVE AIR RELEASE VALVE ON TOP OF HYDRAULIC RESERVOIR REPLACED. THE AIRCRAFT WAS TEST FLOWN AND RETURNED TO SERVICE. SUBMISSION OF MALFUNCTION AND DEFECT REPORT CLOSES THIS INCIDENT.