SDR DL764080317

Service difficulty report · Blades · Boeing 767432ER

Difficulty date: March 5, 2008
Submitted: March 7, 2008
Operation: Air carrier
Aircraft: N843MH
Make and model: Boeing 767432ER
Aircraft serial: 29716
Aircraft time: 23,398 hours, 6,343 cycles
Engine: Ge CF680C2*
Engine time: 23,034 hours, 6,193 cycles
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blades
Condition: Sheared
Location: Nr 2 Compressor
Part time: 23,034 hours, 6,193 cycles
Stage of operation: TO
How discovered: O
Nature of condition: R, J
Precautionary procedure: C

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

What was found

CREW REPORTS RT ENG COMPRESSOR STALL DURING INITIAL PWR FOR T/O. ABORTED T/O AT 10 KTS, CREW OBSERVED RT EGT DROP TO NEAR ZERO FOR A BRIEF SECOND AFTER BANG. NO EICAS MESSAGES, MTC IN PROGRESS. ALITALIA BORO INSP IN WORK. BOROSCOPE INSPECTION REVEALED 3 BLADE ON THE 3RD STAGE HPC SHEARED. ALSO HAVE DAMAGE ON ALL STAGES AFT. METAL FLAKES IN THE TAILPIPE. ENG CHANGE REQUIRED. 1ST AND 2ND STAGES HAVE NO DAMAGE.