What was found
NR 2 ENGINE HAS EVIDENCE OF ENGINE OIL LEAK FROM THE NR 3 BEARING SCAVENGE TUBE. LEAK APPEARS TO BE COMING FROM THE B-NUT AT THE ENGINE CASE END OF THE LINE. SECURED SCAVENGE TUBE B-NUT AND RE-SAFETIED, RAN ENG LEAK CHECKED OKAY.
- Difficulty date
- August 16, 2011
- Submitted
- August 17, 2011
- Operation
- Air carrier
- Aircraft
- N216UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30549
- Aircraft time
- 45,401 hours, 5,760 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 7920 · Engine Oil Distribution (Airframe Furnished)
- Part
- B-Nut
- Condition
- Unsecure
- Location
- Oil System
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.