What was found
AIR TURNBACK - NUMBER 2 ENGINE VIBRATION INDICATED 4.0 IN CLIMB BOX STARTED FLASHING WHEN AT FL300. PERFORMED ONBOARD FAN TRIM BALANCE PER AMM. REBALANCED FAN BALANCE WEIGHTS POS 22 / & 29
- Difficulty date
- March 21, 2012
- Submitted
- March 23, 2012
- Operation
- Air carrier
- Aircraft
- N263WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32520
- Aircraft time
- 18,901 hours, 11,196 cycles
- Engine
- Cfmint CFM567B22
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Blade
- Part number
- 3400010270
- Condition
- Out Of Balance
- Location
- Nr 2 Engine
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- E, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.