Service difficulty report · Fuel Control · Cessna 550

Difficulty date
January 19, 2015
Submitted
February 4, 2015
Operation
General aviation
Aircraft
N525JA
Make and model
Cessna 550
Aircraft serial
5500252
Aircraft time
10,540 hours, 9,766 cycles
Engine
Pwa JT15D4
Engine time
10,275 hours, 9,766 cycles
Part
Fuel Control
Part number
32447594
Part serial
A58423N
Condition
Failed
Location
Right Engine
Part time
10,275 hours, 9,766 cycles
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

PILOT REPORTED UNCOMMANDED ENGINE ROLLBACK TO 70 PERCENT AT FL360. THROUGH DESCENT, ENGINE THROTTLE RESPONSE RETURNED TO NORMAL. PILOT MADE PRECAUTIONARY UNSCHEDULED LANDING WITH NO FURTHER PROBLEMS. FUEL CONTROL ASSEMBLY REMOVED AND FORWARDED TO VENDOR FOR BENCH CHECK AND REPAIR. T2 SENSOR DISCS WERE FOUND OUT OF LIMITS AND REPLACED. REPAIRED FUEL CONTROL ASSEMBLY INSTALLED. GROUND PERFORMANCE, LEAK CHECK, AND TEST FLIGHT PERFORMED WITH NO DISCREPANCIES NOTED.

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