SDR ASMF201510008

Service difficulty report · Fan · Boeing 737800*

Difficulty date: August 21, 2015
Submitted: October 20, 2015
Operation: Air carrier
Aircraft: N950AM
Make and model: Boeing 737800*
Aircraft serial: 35115
Aircraft time: 33,984 hours, 13,070 cycles
Engine: Cfmint CFM567B27B1
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Fan
Part number: 3400010260
Part serial: DC467113T
Condition: Lack Of Lube
Location: Rt Engine
Part time: 26,456 hours, 10,128 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 2.5 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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