What was found
PER ASA T/C 78472010 #1 ENG. FAN BLADE LUBE PLATFORMS # 2,3,20, AND 21 SEALS ARE ARE WORN. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FAN BLADE LUBE PLATFORMS 2,3,20, AND 21 REF ASA T/C 78472010.
- Difficulty date
- September 28, 2022
- Submitted
- September 29, 2022
- Operation
- Air carrier
- Aircraft
- N442AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43293
- Aircraft time
- 33,158 hours, 10,499 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Seal
- Part number
- 3400018160
- Condition
- Worn
- Location
- #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.