SDR ASMF20100321001

Service difficulty report · Blade · Boeing 7772Q8

Difficulty date: March 21, 2010
Submitted: March 24, 2010
Operation: Air carrier
Aircraft: N745AM
Make and model: Boeing 7772Q8
Aircraft serial: 32718
Aircraft time: 18,411 hours, 2,081 cycles
Engine: Ge GE9094B
Engine time: 30,457 hours, 5,036 cycles
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blade
Condition: Damaged
Location: 1st Stg Hpc
Stage of operation: IN
How discovered: B
Nature of condition: C
Precautionary procedure: K

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

What was found

DURING A BOROSCOPIC INSP OF THE HPC 1ST STAGE BLADES, VSV AND IGV SYSTEMS OF LT ENG WAS DETECTED THE HPC 1ST STAGE WITH A TIP CURLED BROKEN, CAUSING DAMAGES IN THE 1ST, 2ND, 3RD AND 4TH STAGES IAW AMM 72-00-00, PARAGRAPH 5H. THE FINAL REPAIR DETAILS OR ENGINE REPLACEMENT WILL BE PROVIDED AS A SUPPLEMENT.

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