# SDR ASAA2021050434748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2021
- Submitted: May 6, 2021
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 48,359 hours, 14,542 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400018170
- Condition: Misinstalled
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021050434748

## Discrepancy

PER T/C 78472010 #1 ENG FAN BLADE LUBE PLATFORMS #3, 18, 19, AND 24 P/N 340-001-816-0 ARE NOT PAIRED 180 DEGREES. GROUNDED - YES. REMOVED AND REPLACED PLATFORMS #3,18,19, AND 24 WITH PN 340-001-817-0 PER T/C 78472010 ARE NOW PAIRED 180 DEGREES.

---
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.