SDR ASMF201612008

Service difficulty report · Fan · Boeing 737800*

Difficulty date: November 6, 2016
Submitted: December 16, 2016
Operation: Air carrier
Aircraft: N377AR
Make and model: Boeing 737800*
Aircraft serial: 37753
Aircraft time: 19,650 hours, 9,605 cycles
Engine: Cfmint CFM567B273
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Fan
Condition: Distorted
Location: Rt Engine
Part time: 29,470 hours, 11,302 cycles
Stage of operation: IN
How discovered: V
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, IT WAS DETECTED IN THE RIGHT ENGINE DISTORTION AT FAN BLADE LEADING EDGE POSITION 2. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING DISTORTION AT FAN BLADE LEADING EDGE POSITION 2 IN THE RIGHT ENGINE WITH 2.0” OF RADIAL DISPLACEMENT, 1.0” DEPTH AND 3.1” TO BLADE TIP. INSPECTION PERSONNEL PERFORMED FLUORESCENT PENETRANT INSPECTION IAW AMM 72-21-07 AND AMM 70-40-01, DETECTING DISTORTION WITHIN LIMITS OF OPERATION, ALL CORRECT.

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