SDR 2002F00777

Service difficulty report · Engine · Boeing 75728A

Difficulty date: July 17, 2002
Submitted: July 30, 2002
Operation: Air carrier
Aircraft: N513AT
Make and model: Boeing 75728A
Aircraft serial: 32449
Aircraft time: 1,873 hours, 669 cycles
Engine: Rroyce RB211535E4
Engine time: 1,873 hours, 670 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Surges
Location: Wing
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

DURING THROTTLE MOVEMENT ENGINE PARAMETERS SURGED WITH EEC ENGAGED. WITH EEC NOT ENGAGED, ENGINE STILL SURGED, BUT NOT AS MUCH. ENGINE FLUCTUATED WITH EEC ON OR OFF. PERFORMED TEST 13 TAKEOFF POWER, ALL PARAMETERS ON BOTH ENGINES ARE NORMAL WITHIN LIMITS IAW M/M 71-00-00, OK TO RETURN TO SERVICE.

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