What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: aircraft enroute from mwg to apg. Declared an emergency with ihd-r controller, due to vibration and control problems. Aircraft made an emergency descent and landed at cbe without incident. Aircraft maintenance found no. 5 cylinder barrel cracked which caused severe engine vibration inflight. No. 5 cylinder was replaced and aircraft was returned to service. FAA form 8010-4 filed by CRSLJQR100G.
As the FAA filed it
NARRATIVE: AIRCRAFT ENROUTE FROM MWG TO APG. DECLARED AN EMERGENCY WITH IHD-R CONTROLLER, DUE TO VIBRATION AND CONTROL PROBLEMS. AIRCRAFT MADE AN EMERGENCY DESCENT AND LANDED AT CBE WITHOUT INCIDENT. AIRCRAFT MAINTENANCE FOUND NO. 5 CYLINDER BARREL CRACKED WHICH CAUSED SEVERE ENGINE VIBRATION INFLIGHT. NO. 5 CYLINDER WAS REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE. FAA FORM 8010-4 FILED BY CRSLJQR100G.