SDR ASAA2021080835653

Service difficulty report · Spacer · Boeing 737990ER

Difficulty date: August 8, 2021
Submitted: August 10, 2021
Operation: Air carrier
Aircraft: N459AS
Make and model: Boeing 737990ER
Aircraft serial: 36352
Aircraft time: 27,606 hours, 8,827 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Spacer
Part number: 3400012620
Condition: Peeling
Location: Nr 1 Fan Blade
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

WHILE PERFORMING T/C 78472010 CFM 56-7 FAN BLADE LUBRICATION FOUND BLADE SPACERS AT 4,5,9,13,15,17,19,20,21, AND 24 HAVE RUBBER PEALING OFF SPACERS. 10 LOCATIONS TOTAL. GROUNDED - YES. REMOVED AND REPLACED 10 EACH FAN BLADE SPACERS ON #1 ENG AT 4,5,9,13,15,17,19,20,21, AND 24. REF T/C 78472010.