What was found
FLIGHT RETURNED TO THE FIELD WITH A OIL QUANTITY INDICATOR. FOUND NR 1 ENGINE CONSTANT SPEED DRIVE CARBON SEAL LEAKING. REPLACED NR 1 ENGINE CONSTANT SPEED DRIVE CARBON SEAL.
- Difficulty date
- August 24, 2006
- Submitted
- September 26, 2006
- Operation
- Air carrier
- Aircraft
- N398UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24673
- Aircraft time
- 45,662 hours, 31,638 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Carbon Seal
- Part number
- 7904711
- Condition
- Leaking
- Location
- Nr 1 Eng Csd
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.