SDR IPXA2018052129809

Service difficulty report · Compressor · Boeing 76734AF

Difficulty date: May 17, 2018
Submitted: May 21, 2018
Operation: Air carrier
Aircraft: N354UP
Make and model: Boeing 76734AF
Aircraft serial: 37862
Aircraft time: 12,817 hours, 4,617 cycles
Engine: Ge CF680C2B6F
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Compressor
Condition: Damaged
Location: Rt Engine
Stage of operation: DE
How discovered: O
Nature of condition: R
Precautionary procedure: O

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

What was found

WHILE AIRBORNE, AT THE TOP OF DECENT, THE RIGHT ENGINE THRUST REDUCED TO IDLE POWER ABNORMALLY. AT IDLE THRUST, THE LEFT AND RIGHT ENGINES DIFFERED IN PARAMETERS SIGNIFICANTLY. THE RIGHT THROTTLE WAS UNRESPONSIVE FOR THE REMAINDER OF THE FLIGHT. STALL INSPECTION COMPLIED WITH IAW FIM 71-05-00-815-848-H01, AND AMM 72-00-00-206-906, PAR L. CHIP DETECTOR PULLED. PCMIA CARD PULLED IAW AMM 31-31-03. DAMAGE TO 12TH STAGE COMPRESSOR WHEEL FOUND. REPLACED THE NR 2 ENGINE IAW TC 6602.

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