SDR UIEA2020112202441

Service difficulty report · Blades · Boeing 7673S1

Difficulty date: November 22, 2020
Submitted: November 25, 2020
Operation: Air carrier
Aircraft: N640GT
Make and model: Boeing 7673S1
Aircraft serial: 25221
Aircraft time: 91,924 hours, 19,579 cycles
Engine: Ge CF680C2B6F
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blades
Condition: Nicked
Location: Nr 1 Compressor
Stage of operation: IN
How discovered: 9
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

NR 1 ENGINE HAS FOUR EACH NICKED BLADES WITHIN LIMITS, PER AMM 72-31-02-308-045-H00 FIG 801 NR 5 .093X .062 NR 16 .062X .062 NR 28 .187X .062 NR 30 .156X .125. BLENDED OUT NR 1 ENGINE FAN BLADES NR 5, NR 16, NR 28, NR 30. FOUND WITHIN LIMITS, PER B767-300 AMM 72-31-02-308-045-H00. PERFORMED NDT SPOT FLOURESCENT INSPECTION NO CRACK IND, NOTED IAW AMM 70-11-06.

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