SDR ASMF201510026

Service difficulty report · Fan · Boeing 7378Q8

Difficulty date: September 30, 2015
Submitted: October 21, 2015
Operation: Air carrier
Aircraft: N859AM
Make and model: Boeing 7378Q8
Aircraft serial: 32796
Aircraft time: 45,315 hours, 15,935 cycles
Engine: Cfmint CFM567B27
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Fan
Part number: 3400010260
Part serial: DC467386T
Condition: Lack Of Lube
Location: Rt Engine
Part time: 39,296 hours, 18,495 cycles
Stage of operation: CL
How discovered: O
Nature of condition: E
Precautionary procedure: K

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

What was found

DURING CLIMB, THE RT ENG VIBRATION REACHED 2.0 UNITS. ACFT WAS SENT TO THE HANGAR & MX PERFORMED REVISION TO CHIP DETECTOR IAW AMM 79-00-00, NO METAL PARTICLES WERE FOUND. A BORESCOPE INSPECTION TO LPT STAGES 1 - 3 IAW AMM 72-00-00, NO DAMAGES WERE FOUND. LUBRICATION OF THE FAN ROTOR BLADE OF THE RT ENG IAW AMM 72-21-02. TRIM BALANCE WAS PERFORMED IAW AMM 71-00-00 TASK 71-00-00-750-803-F00 & VIBRATION SURVEY TEST NR 7 WAS PERFORMED IAW AMM 72-00-00, BEING WITHIN LIMITS.

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