What it covers
For reports indicating a problem with wiring specific to the Main Rotor System.
Service difficulty reports · 8
Reports filed under 6297, newest first.
| 1998 | 1 |
|---|---|
| 2007 | 1 |
| 2009 | 1 |
| 2013 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
SDR YV3R2020111800388Terminal · looseCUSTOMER REPORTED SWITCHES ASSEMBLY (ACTUATOR ASSEMBLY) P/N: C053-2 HAD A LOOSE SWITCH TERMINAL.SDR CA180510007Wire · chafed(CAN) PART NUMBERS: D38999/26WA98SN AND 30-269-1P09N05 WIRING THROUGH EMI CONNECTOR CONTACTS AND CHAFES ON BACKSHELL 90 DEGREE BEND AND SHORTS TO GROUND GIVING ERRONEOUS CREW ALERTING SYSTEM MESSAGES. IN THIS CASE IT WAS ON THE TRANSMISSION FULL FLOW DEBRIS MSDR QMLA2016062616070Connector · defectivePILOT REPORTED FLICKERS AND INTERMITTENT SOLID, ROTOR RPM LIGHT ON CWP. PILOT VERIFIED NR ON TRIPLE TACH AND VEMD FOR N2 MATCHED AND WERE STABLE. ABORTED CALL & RETURNED TO BASE TO INITIATE DISCREPANCY, CONTACT MECHANIC, MCAS. UPON ARRIVAL, INSPECTED MGB COSDR 2016FA0000001Wire Harness · damagedCLUTCH ACTUATOR WIRE HARNESS C053-2 MICROSWITCH WIRES NR 139 & 95 BROKE LOOSE FROM CONNECTOR CAUSING ACTUATOR TO NOT ENGAGE.SDR W7OA201301080001Torsion Strap · crackedPROTECTIVE COARTING OF WIRE STRUCTURE IS CRACKE AND PATRIALLY MISSING. EXPOSURE CAUSES THE WIRES TO BE EXPOSED TO MOISTURE WHICH WILL CAUSE CORROSION AND FAILURE OF THE WIRES, WHICH WILL CAUSE MAIN ROTOR BLADES TO BE SLUNG FROM THE HELICOPTER AND MAY CAUSE CATSDR CA090716005Elec Connector · out of limitsNR INDICATOR FAILURE AND NR OVER LIMIT DETECTED BY VEMD. 5 PREVIOUS INCIDENTS OF NR OVER-LIMIT OR NO INTERMITTENT LOW ROTOR AUDIBLE TONE.SDR M7K2008F00136Wire · brokenNR (ROTOR RPM) MAGNETIC SENSING PICKUP LOOP BROKEN CAUSING INTERMITTENT NR INDICATION FLUCTUATIONS DURING FLIGHT. PROBABLE CAUSE IS THAT WIRE AND FRAGILE COIL WIRE IS HAIR THIN. SUGGEST A STRONGER WIRE HARNESS BE USED. (K)SDR CA980818016Wire · 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 AT TERMINAL STRIP 46.