SDR 39LA2013030800004

Service difficulty report · Engine · Skrsky S61N

Difficulty date: March 5, 2013
Submitted: March 11, 2013
Operation: Air carrier
Aircraft: N905AL
Make and model: Skrsky S61N
Aircraft serial: 61717
Aircraft time: 39,078 hours, 103,867 cycles
Engine: Ge CT581402
Engine time: 33,475 hours
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Malfunctioned
Location: Nr 1
Stage of operation: CL
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

IMMEDIATLY AFTER TAKEOFF AT APPROX 97 PERCENT NG THE NR 1 NG BEGAN TO FLUCTUATE 3-4 PERCENT. NOTICED THE NR 1 NF BEGIN TO FLUCTUATE AS WELL NR 1 FUEL PRESSURE AND T5. ALL INDICATIONS ON NR 2 ENGINE WERE NORMAL. APPROXIMATE 40 PERCENT TORQUE SPLIT WAS NOTED DURING LANDING WITH NR 1 FUEL CONTOL LEVERS FULLY FORWARD AND ONLY GETTING 90 PERCENT NG. R & R NR 1 ENGINE IAW MM 4045-80. PERFORMED NR 1 ENGINE FCF TOPPING CHECKS, NO MALFUNCTIONS NOTED.