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pdf Gfa ad 649 issue 1 Popular

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Gfa ad 649 issue 1

DIFFERENTIAL FUEL PRESSURE SENSOR INSPECTION / REPLACEMENT 

Failure of internal  components of the type 11AB-K01 sensor has led to fuel leakage into the airbox via the air pressure sensor line. Normally this fuel would be vented safely via the drain tubes but the possibility of a fuel leak into the engine bay cannot be excluded. The LBA has produced AD 2007-248, EASA has produced AD 2007-0191-E, and Stemme has produced SB A31-10-081 which forms part of this airworthiness directive. If the aircraft is fitted with a type 11AB-K01 sensor, update the requirement of the Daily Inspection by insertion of the Flight Manual page 4-2 until the sensor is replaced.