SDR ASAA2019112653450

Service difficulty report · Spacer · Boeing 737990ER

Difficulty date: November 25, 2019
Submitted: November 27, 2019
Operation: Air carrier
Aircraft: N433AS
Make and model: Boeing 737990ER
Aircraft serial: 41704
Aircraft time: 24,136 hours, 7,792 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Spacer
Part number: 3400012620
Condition: Debonded
Location: Nr 2 Fan Blades
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

REFERENCE TASK CARD# 78472010 (FAN BLADE LUBE) #2 ENGINE FAN BLADE SPACERS AT LOCATIONS 3,5,22,23,24 ARE DISBONDING. GROUNDED - YES. REMOVED AND REPLACED FAN BLADE SPACERS AT LOCATIONS 3,5,22,23,23 REF B737-900 AMM 72-21-02-000-802-F00 AND TASK CARD# 78472010.