SDR ASAA2019043099194

Service difficulty report · Spacer · Boeing 737900ER

Difficulty date: April 29, 2019
Submitted: April 30, 2019
Operation: Air carrier
Aircraft: N408AS
Make and model: Boeing 737900ER
Aircraft serial: 41732
Aircraft time: 25,414 hours, 8,278 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Spacer
Part number: 3400012620
Condition: Debonded
Location: Nr 2 Eng Fan
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

PER T/C 78472010 #2 ENGINE FAN BLADE LUBE, ELASTOMERS ON SPACERS #12, 14, 21, AND 24 ARE DISBONDED WITH #3 AND #22 ARE DISBONDED MORE THAN ONE STRIPS OF THE SPACERS. GROUNDED - YES. REMOVED AND REPLACED #3, 12, 14, 19, 21, 22, AND 24 SPACERS ON FAN BLADE ASSEMBLY OF #2 ENGINE, REF B737-900 AMM 72-21-02/201.

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