What was found
WHILE PERFORMING T/C 78472010, CFM56-7 FAN BLADE LUBRICATION FOUND ELASTOMER ON SPACERS 20,7,10,11,15,19,21, AND 24 DISBONDED. GROUNDED - YES. REFERENCE T/C 78472010 ON W/O 1884517 FOR WORK ACCOMPLISHED. NEW SPACERS INSTALLED.
- Difficulty date
- October 11, 2021
- Submitted
- October 12, 2021
- Operation
- Air carrier
- Aircraft
- N403AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41730
- Aircraft time
- 33,484 hours, 10,806 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Spacer
- Part number
- 3400012620
- Condition
- None
- Location
- #1 Engine
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.