SDR UIEA200300055

Service difficulty report · Engine · Boeing 747230B

Difficulty date: September 11, 2003
Submitted: October 1, 2003
Operation: Air carrier
Aircraft: N508MC
Make and model: Boeing 747230B
Aircraft serial: 21644
Engine: Ge CF650E2
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Stalled
Location: Nr 1
Stage of operation: CR
How discovered: O
Nature of condition: R, J
Precautionary procedure: E, A

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

What was found

DOV/RMS DIVERSION TO JFK, IN CRUISE AT FL350 NR 1 ENGINE BEGAN TO SHUDDER/STALL WITH DROP OF N1 ONLY. PULLED THRUST LEVER BACK. IT THEN DID IT AGAIN AND CONTINUED TO DO IT. SHUT DOWN ENGINE IAW QRH. DIVERTED TO JFK. NO FUEL DUMPED. REMOVED AND REPLACED NR 1 ENGINE PER ATLAS AIR TASK CARD 01-AA-45. ACCOMPLISHED GROUND RUN UP TESTES 3, 4 AND 8 PER MM 71-00-00. OPS AND LEAK CHECK NORMAL. NO DEFECTS NOTED. CLOSED AND SECURED ALL PANELS, COWLINGS AND FAIRINGS. ENGINE S/N ON 517265. (M)