SDR P5CA2010050601635

Service difficulty report · Compressor · Boeing 74746NF

Difficulty date: May 6, 2010
Submitted: May 10, 2010
Operation: Air carrier
Aircraft: N450PA
Make and model: Boeing 74746NF
Aircraft serial: 30808
Aircraft time: 41,584 hours, 6,810 cycles
Engine: Ge CF680C2B1F
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Compressor
Condition: Damaged
Location: Nr 3 Engine
Part time: 19,108 hours, 2,880 cycles
Stage of operation: CR
How discovered: O
Nature of condition: E, J
Precautionary procedure: E

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

What was found

MEMO MESSAGE "VVVVVV" DISPLAYED AT 1515Z AT FL 360, ENGINE 3 N2 VIBRATION AT 5.0. ALL OTHER PARAMETERS WERE NORMAL AND MONITORED. AT APPROXIMATELY 12,000 FT, NR 3 ENGINE FAILED. QRH PROCEDURES ACCOMPLISHED. INSPECTION OF TAILPIPE REVEALED NO METAL. BOROSCOPE INSPECTION OF COMPRESSOR REVEALED DAMAGE TO FIRST STAGE BLADES. ENGINE REPLACEMENT REQUIRED.

More about the Boeing 747-46NF