# SDR ASAA2018061985118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2018
- Submitted: June 19, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 44,031 hours, 13,207 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Condition: Worn
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018061985118

## Discrepancy

DURING NR 2 ENGINE FAN BLADE LUBRICATION. FOUND NR 1 FAN BLADE MISSING CU NI IN COATING ON CONCAVE SIDE, AFT END IS BEYOND LIMITS. BLADE NR 13 TO BE CHANGED AS A PAIR WITH BLADE NR 1. ACFT GROUNDED.  REPLACED THE 1 & 13 FAN BLADES IAW T/C 78472002.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.