Service difficulty report · Flex Hose · Beech C99

Difficulty date
April 3, 2013
Submitted
April 6, 2013
Operation
Air carrier
Aircraft
N106SX
Make and model
Beech C99
Aircraft serial
U166
Aircraft time
25,211 hours, 36,610 cycles
Part
Flex Hose
Part number
330995F40314
Condition
Cracked
Location
Oil System
Part time
4,884 hours
Stage of operation
CL
How discovered
O
Nature of condition
K
Precautionary procedure
E, A

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

What was found

SHORTLY AFTER DEPARTURE FROM KBYL THE PILOT REPORTED THAT HE OBSERVED OIL ON THE RIGHT ENGINE COWL. SHORTLY AFTER THIS OBSERVATION THE PILOT NOTED THAT THE RIGHT ENGINE TORQUE INDICATOR STARTED TO FLUCTUATE. THE PILOT PERFORMED AN INFLIGHT SHUT DOWN OF THE RIGHT ENGINE, DECLARED AN EMERGENCY, RETURNED TO KBYL AND LANDED WITHOUT INCIDENT. AMF SLC MAINTENANCE TRAVELED TO KBYL INSPECTED THE RIGHT ENGINE AND FOUND THE OIL PRESSURE HOSE TO THE TORQUE INDICATOR MANIFOLD HAD A CRACKED FLARE FITTING CAUSING THE OIL LEAK. REMOVED AND REPLACED THE HOSE ASSEMBLY. SERVICED THE ENGINE WITH OIL. GROUND RUN OPERATIONAL CHECK COMPLETED AND FOUND SATISFACTORY.

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