# SDR 2021FA0000148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2021
- Submitted: May 18, 2021
- Operation: General aviation
- Aircraft: [N450CR](https://openairdocs.org/aircraft/N450CR), registered now
- Make and model: Beech 300BEECH
- Aircraft serial: FL340
- Aircraft time: 4,752 hours, 4,552 cycles
- Propeller: Mtprop MTV271E
- System (JASC): [6111 · Propeller Blade Section](https://openairdocs.org/jasc/6111)
- Part: Blade
- Part number: CFR260656
- Part serial: 62543
- Condition: Delaminated
- Location: Propeller
- Component: Propeller, Mtprop
- Component part number: MTV271ECFR
- 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/2021FA0000148

## Discrepancy

PROPELLER BLADE DELAMINATION EXCEEDING MANUFACTURES LIMITS ON MULTIPLE BLADES. APPEARS TO BE CAUSED BY HEAT FROM THE PROPELLER HEAT BOOTS. LEFT AND RIGHT PROPELLER AFFECTED.

---
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.