Service difficulty report · Connector · Boeing 727212

Difficulty date
September 16, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Boeing 727212
Engine
Pwa JT8D7B
Part
Connector
Part number
447883
Condition
Cracked
Location
Fuel Oil Cooler
Stage of operation
AP
Nature of condition
O, X
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) ON APPROACH #2 ENGINE FLAMED OUT. DURING CRUISE PORTION OF THE FLIGHT AN INITIAL 15 PERCENT DROP IN EPR WAS OBSERVED, NO OTHER ENGINE PARAMETERS WERE AFFECTED. THE DROP IN RPM INCREASED TO APPROXIMATELY 50 PERCENT PRIOR TO FLAME OUT. POST FLIGHT INSPECTION DETERMINDED THE OIL COOLER FUEL INLET TUBE CONNECTOR HAD CRACKED AND ALLOWED THE ENGINE FUEL SUPPLY TO BE INTERRUPTED CAUSING THE ENGINE TO FLAME OUT. THE CONNECTOR WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.