What was found
ENGINE SHUT DOWN, DECLARED EMERGENCY, AIR TURNBACK. NR 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED AFTER T/O. REMOVED AND REPLACED OIL FILTER AND RAN ENGINE. CK'D FILTER, NO CONTAMINANTS FOUND. OPS CK GOOD PER MM.
- Difficulty date
- September 25, 2001
- Submitted
- October 4, 2001
- Operation
- Air carrier
- Make and model
- Boeing 7372H4
- Aircraft serial
- 22731
- Aircraft time
- 62,091 hours, 67,265 cycles
- Engine
- Ge CFM56*
- Engine time
- 66,405 hours, 74,748 cycles
- System (JASC)
- 3140 · Central Computers
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.