What was found
DURING CRUISE, THE NR 1 ENGINE OIL QTY DECREASED. BORESCOPE OF THE COMPRESSOR REAR FRAME INDICATED COKING BUT WAS UNABLE TO CONFIRM SOURCE. THE AIRCRAFT WAS GROUNDED.
- Difficulty date
- May 20, 2016
- Submitted
- May 20, 2016
- Operation
- Air carrier
- Aircraft
- N381AN
- Make and model
- Boeing 767323
- Aircraft serial
- 25450
- Aircraft time
- 92,871 hours, 14,775 cycles
- Engine
- Ge CF680C2B6
- Engine time
- 83,162 hours, 13,199 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Part number
- CF680C2B6
- Part serial
- 695571
- Condition
- Leaking
- Location
- Nr 1
- Part time
- 83,162 hours, 13,199 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.