What was found
NR 2 ENGINE OIL FILTER BYPASS INDICATION DURING TAXI OUT. ACFT GROUNDED. R & R SCAVENGE OIL FILTER ELEMENT IAW AMM 79-21-06. NO FOREIGN MATTER WITNESSED IN REMOVED FILTER. LEAK CHECK GOOD, REF AMM 71-00-00-700-801-F00.
- Difficulty date
- December 20, 2015
- Submitted
- December 22, 2015
- Operation
- Air carrier
- Aircraft
- N487AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44108
- Aircraft time
- 508 hours, 157 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Filter
- Part number
- 41F9003
- Condition
- Bypassing
- Location
- Nr 2 Engine Oil
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.