What was found
NR 1 ENGINE TREND DATA SHOWS LOW PRESSURE ROTOR VIBRATION TRENDING HIGH. HARDWARE INSPECTION AND FAN LUBE REQUIRED. ACFT GROUNDED. ACCOMPLISHED NR 1 ENGINE FAN LUBE IAW TASK CARD 78472002.
- Difficulty date
- February 6, 2016
- Submitted
- February 8, 2016
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 9,071 hours, 2,911 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Faulted
- Location
- Nr 1
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.