# JASC 6297: Main Rotor System Wiring

- Type: JASC system/component code (FAA)
- ATA chapter: 62 Main Rotor
- Title in the code table: MAIN ROTOR SYSTEM WIRING
- Service difficulty reports: 8
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=57
- Page: https://openairdocs.org/jasc/6297

## What it covers

For reports indicating a problem with wiring specific to the Main Rotor System.

## Service difficulty reports (8)

- [SDR YV3R2020111800388](https://openairdocs.org/sdr/YV3R2020111800388), Nov 13, 2020: Robsin R44. TERMINAL. LOOSE. CUSTOMER REPORTED SWITCHES ASSEMBLY (ACTUATOR ASSEMBLY) P/N: C053-2 HAD A LOOSE SWITCH TERMINAL.
- [SDR CA180510007](https://openairdocs.org/sdr/CA180510007), May 10, 2018: Bell 412EP. WIRE. CHAFED. (CAN) PART NUMBERS: D38999/26WA98SN AND 30-269-1P09N05 WIRING THROUGH EMI CONNECTOR CONTACTS AND CHAFES ON BACKSHELL 90 
- [SDR QMLA2016062616070](https://openairdocs.org/sdr/QMLA2016062616070), Jun 26, 2016: Urocop EC135P2. CONNECTOR. DEFECTIVE. PILOT REPORTED FLICKERS AND INTERMITTENT SOLID, ROTOR RPM LIGHT ON CWP. PILOT VERIFIED NR ON TRIPLE TACH AND VEMD FOR N2 (N261AM)
- [SDR 2016FA0000001](https://openairdocs.org/sdr/2016FA0000001), Aug 26, 2015: Robsin R44RAVENII. WIRE HARNESS. DAMAGED. CLUTCH ACTUATOR WIRE HARNESS C053-2 MICROSWITCH WIRES NR 139 & 95 BROKE LOOSE FROM CONNECTOR CAUSING ACTUATOR TO NOT ENG
- [SDR W7OA201301080001](https://openairdocs.org/sdr/W7OA201301080001), Dec 18, 2013: Garlik OH58AGARLIK. TORSION STRAP. CRACKED. PROTECTIVE COARTING OF WIRE STRUCTURE IS CRACKE AND PATRIALLY MISSING. EXPOSURE CAUSES THE WIRES TO BE EXPOSED TO MOISTU (N114RD)
- [SDR CA090716005](https://openairdocs.org/sdr/CA090716005), Jul 16, 2009: Urocop EC130B4. ELEC CONNECTOR. OUT OF LIMITS. NR INDICATOR FAILURE AND NR OVER LIMIT DETECTED BY VEMD. 5 PREVIOUS INCIDENTS OF NR OVER-LIMIT OR NO INTERMITTENT LOW RO
- [SDR M7K2008F00136](https://openairdocs.org/sdr/M7K2008F00136), Sep 19, 2007: Urocop EC130B4. WIRE. BROKEN. NR (ROTOR RPM) MAGNETIC SENSING PICKUP LOOP BROKEN CAUSING INTERMITTENT NR INDICATION FLUCTUATIONS DURING FLIGHT. PROBAB (N810MH)
- [SDR CA980818016](https://openairdocs.org/sdr/CA980818016), Jul 7, 1998: Carson S61LSKRSKY. WIRE. MISINSTALLED. (CAN) MAIN ROTOR BLADE B.I.M. TRANSDUCER TEST IN COCKPIT OK BUT ALL 5 M/R BLADE TRANSDUCERS DID NOT TEST. WIRES CROSSED 

## Other codes in chapter 62

- [JASC 6200](https://openairdocs.org/jasc/6200): Main Rotor System (168 reports)
- [JASC 6210](https://openairdocs.org/jasc/6210): Main Rotor Blades (1,561 reports)
- [JASC 6220](https://openairdocs.org/jasc/6220): Main Rotor Head (2,052 reports)
- [JASC 6230](https://openairdocs.org/jasc/6230): Main Rotor Mast/Swashplate (1,271 reports)
- [JASC 6240](https://openairdocs.org/jasc/6240): Main Rotor Indicating System (676 reports)

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.