What was found
NR 1 ENGINE OIL TANK OVERFILL DRAIN BREATHER LINE HAS OUTER SKIN DAMAGED, INBOARD SIDE OF ENGINE. REMOVED AND REPLACED NR 1 ENGINE TEFLON HOSE, AS PER B7674-300 AMM 70-50-00.
- Difficulty date
- November 22, 2020
- Submitted
- November 25, 2020
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 91,924 hours, 419,579 cycles
- Engine
- Ge CF680C2B6F
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Line
- Condition
- Damaged
- Location
- Oil Breather
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.