What was found
NR 2 ENG FAN BLADE PLATFORM WEAR ON FWD LUG SURFACE "C" ON PLATFORMS 1, 2, 3, 4, 5, 6, 9, 11, 12, 15, 18, 19, 23, & 24. GROUNDED - YES. REPLACED THE NR 2 ENG FAN PLATFORMS REF T/C 78472010. REF T/C 78472010 STEP 1-E-5 FOR VIBE SURVEY.
- Difficulty date
- May 20, 2020
- Submitted
- May 22, 2020
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 25,776 hours, 8,283 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Platform
- Part number
- 3400018170
- Condition
- Worn
- Location
- Nr 2 Engine Fan
- 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.