FAA TCDS A16WE 2 for the B737-200 below,
A16WE 2
II. Model 737-200 (Approved December 21, 1967) Transport Aircraft
Engines: 2 Pratt and Whitney Turbofan Engines JT8D-7, JT8D-7A, JT8D-7B, JT8D-9, JT8D-9A, JT8D-15, JT8D-15A, JT8D-17, and JT8D-17A; Refer to the FAA Approved Airplane Flight Manual for aircraft engine and engine intermix eligibility.
BR om15