# SDR ASMF202011006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2020
- Submitted: November 24, 2020
- Operation: Air carrier
- Aircraft: [N368AR](https://openairdocs.org/aircraft/N368AR), registered now
- Make and model: Boeing 737-86J
- Registry model: [Boeing 737-86J](https://openairdocs.org/model/boeing-737-86j) (OpenAirDocs)
- Aircraft serial: 36880
- Aircraft time: 30,146 hours, 12,932 cycles
- Engine: Cfmint CFM567B273
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400004100
- Part serial: SS
- Condition: Dented
- Location: Lt Engine Fan
- Part time: 30,146 hours, 12,932 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF202011006

## Discrepancy

DURING THE OVERNIGHT AT MEX STATION AND IN ACCORDANCE WITH EO 3772005 R4 OF LEFT ENGINE FAN DISK PRESSURE FACES INSPECTION, IT WAS DETECTED A DENT IN THE FAN BLADE ROOT NUMBER 3 AND 12, IAW AMM IT WAS NOT ALLOWED DAMAGES IN THAT AREA.  SO THE LEFT ENGINE FAN BLADE P/N 340-000-410-0, MANUFACTURER CFM NUMBERS 3 AND 12 WERE REPLACED. IAW AMM 72-21-02-400-801-F00.  FAN BLADE COMPLETE SET WAS LUBRICATED, IAW AMM 72-21-00 AND TEST 7 VIBRATION SURVEY WAS PERFORMED, IAW AMM 71-00-00, TESTED CORRECT.

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