What was found
INSPECTION TYPE:N/A OIL SMELL AND HAZE IN COCKPIT AT TOP OF DESCENT WHEN THROTTLES RETARDED. VERIFIED SOURCE OF OIL SMELL FROM NR 3 ENGINE PNEUMATICS. LOCKED OUT NR 3 ENGINE PYLON VALVE TO ISOLATE PNEUMATICS FROM AIRFRAME.
- Difficulty date
- August 15, 2002
- Submitted
- August 16, 2002
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Odor
- Condition
- Detected
- Location
- Cockpit
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- G
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.