SDR ASM2008F00001

Service difficulty report · Blade · Boeing 7772Q8

Difficulty date: August 3, 2008
Submitted: August 12, 2008
Operation: Air carrier
Aircraft: N776AM
Make and model: Boeing 7772Q8
Aircraft serial: 28692
Engine: Ge GE9094B
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blade
Condition: Bent
Location: Rt Engine
Part time: 20,975 hours
Stage of operation: IN
How discovered: B
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING TRANSIT CHECK, THE MAINTENANCE PERSONNEL PERFORMED A BOROSCOPIC INSPECTION DETECTING BLADES TIP BENDED IN THE FIRST STAGE OF HIGH PRESSURE COMPRESSOR ROTABLE SECTION AND A IGV SCRATCHED IN THE RT ENG, OUT OF LIMITS IAW MM 72-00-00. THE RT ENG WAS REPLACED AND TESTED IAW MM 71-00-02 AND 71-00-00, ALL CORRECT.

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