No person shall certify a reciprocating engine-powered aircraft for release to service after a mandatory periodic inspection unless such person ensures that—
| (a) | a ground run of the aircraft engine has been carried out to determine satisfactory performance, in accordance with the manufacturer's recommendations, for— |
| (i) | power output (static and idle RPM); |
| (iii) | fuel and oil pressure; and |
| (iv) | cylinder or coolant temperature, and oil temperature; and |
| (b) | ambient conditions of temperature and atmospheric pressure and details of the results are recorded in the appropriate engine or aircraft logbook and/or maintenance record. |
