SDR UIEA200600119

Service difficulty report · Compressor · Boeing 747228F

Difficulty date: May 23, 2006
Submitted: June 1, 2006
Operation: Air carrier
Aircraft: N536MC
Make and model: Boeing 747228F
Aircraft serial: 21576
Aircraft time: 109,775 hours, 21,731 cycles
Engine: Ge CF650E2
Engine time: 98,936 hours, 17,748 cycles
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Compressor
Condition: Stalled
Location: Nr 2 Engine
Component: Engine · Ge
Component part number: CF650E2
Stage of operation: TO
How discovered: O
Nature of condition: R, Y
Precautionary procedure: O

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

What was found

ON TAKEOFF OUT OF DOV NR 2 ENGINE STALLED ABOUT 5 TIMES WITH REDUCTIONS IN N1, EGT AND N2. NO PARAMETERS WERE EXCEEDED. FLIGHT CONTINUED TO JFK WITHOUT SHUTDOWN. PERFORMED BOROSCOPE OF HPC. 1, 2, 3, 4 AND 7TH STAGES. DEFECTS NOTED, ENGINE TO BE REPLACED. REPLACED NR 2 ENGINE PER WORK CARD 01-AA-45, OPS & LEAK CHECKED OK DURING POWER RUN PER MM 71-00-00, TEST 3 - 4 AND 5.