Service difficulty report · Platform · Boeing 737890

Difficulty date
August 15, 2022
Submitted
August 16, 2022
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
38,833 hours, 11,054 cycles
Engine
Cfmint CFM567B27
Part
Platform
Part number
3400018160
Condition
Vibrates
Location
#2 Engine
Stage of operation
IN
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

GE DIAGNOSTICS REPORTS CNR 20220803077 #2 ENGINE (S/N 961543). TREND DATA SHOWS AN INCREASE IN TAKEOFF AND CRUISE FAN VIBRATIONS AS INDICATED BY THE FRONT AND REAR VIBRATION PICKUPS. CORE VIBRATIONS HAVE BEEN STABLE DURING THE SAME TIME FRAME. -----#PRI2----- ENGINE HIGH POWER RUN REQUIRED. GROUNDED - YES. #2 ENG ENG REAR CONE AND FAN BLADE PLATFORM POST REPLACED IAW ASA TC 78472010. (REF ASA 60250841 & 60250842)