What was found
CREW REPORTED THAT SOON AFTER ENGINE START LEFT ENGINE OIL FILTER STATUS MESSAGE APPEARED MASTER CHIP DETECTOR CHS CLEAN. FOUND MAIN OIL FILTER WITH ABNORMAL AMOUNT OF CARBON, NO METAL. CHANGE FILTER AND RAN ENGINE. CHECKED NORMAL.
- Difficulty date
- April 28, 2012
- Submitted
- May 25, 2012
- Operation
- Air carrier
- Aircraft
- N666UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29238
- Aircraft time
- 49,987 hours, 13,369 cycles
- Engine
- Pwa PW4056
- Engine time
- 500 hours, 25,240 cycles
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Filter
- Condition
- Contaminated
- Location
- Lt Engine Oil
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.