# SDR ASAA2022040437907

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2022
- Submitted: April 7, 2022
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 55,433 hours, 16,552 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: None
- Part number: 3400010360
- Condition: None
- Location: #2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022040437907

## Discrepancy

PER T/C 78472010 #2 ENG FAN BLADE LUBE #4 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CV SIDE. GROUNDED - YES. INSTALLED NEW FAN BLADE #4, REF TC 78472010 FAN BLADE LUBE.

---
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.