What was found
DURING ACCOMPLISHING T/C 78472002 FOUND 6 BLADES WITH WORN CU-NI COATING ON NR 1 ENGINE. GROUNDED - YES. REPLACED 6 BLADES ON NR 1 ENGINE REF T/C 78472002.
- Difficulty date
- September 16, 2018
- Submitted
- September 17, 2018
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 21,618 hours, 7,143 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Blade
- Part number
- 3400010360
- Condition
- Worn
- Location
- Nr 1 Engine
- 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.