- Difficulty date
- December 3, 2022
- Submitted
- December 5, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737823
- Aircraft serial
- 31091
- Aircraft time
- 38,133 hours, 15,742 cycles
- Engine
- Cfmint CFM567B243
- Engine time
- 24,750 hours, 9,946 cycles
- Part
- Oil Filter
- Part number
- 41F9003
- Condition
- Clogged
- Location
- Nr 1 Engine
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING DESCENT #1 OIL FILTER BYPASS LIGHT ILLUMINATED. CREW SHUTDOWN #1 ENGINE. EMERGENCY DECLARED. FLIGHT LANDED SAFELY AT DFW. MAINTENANCE REPLACED #1 ENGINE SCAVENGE OIL FILTER PER AMM 79-21-00 AND ELECTRONIC ENGINE CONTROLLER PER JOB CARD 08L40073002. ACCOMPLISHED SATISFACTORY POWER ASSURANCE RUNS.