What was found
LEFT ENGINE N1 & N2 VARIES UP AND DOWN +/- 5% -6% RESPECTIVELY DURING DESCENT AT IDLE THRUST. FL 200 @ -10 C SAT. PERFORMED ENGINE IDLE RUN IAW AMM 71-00-00, NO FLUCTUATION NOTED AT THIS TIME.
- Difficulty date
- June 13, 2019
- Submitted
- June 13, 2019
- Operation
- Air carrier
- Aircraft
- N1381A
- Make and model
- Boeing 767316
- Aircraft serial
- 27615
- Aircraft time
- 86,458 hours, 18,520 cycles
- Engine
- Ge CF680C2B6F
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Unknown
- Location
- Left
- Stage of operation
- DE
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.