NTSB investigations · 1
Matched to this aircraft by N9937K and the event date: up to this one’s cancellation.
Service difficulty reports · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR GUR2001F00001Pitch Horn · out of toleranceDURING INSPECTION OF THE MAIN ROTOR GRIP PITCH HORN TO GRIP COUNTER BORES, MEASURED THE BORES USING A TELESCOPING GAUGE AND MICROMETER.SDR GUR2001F00000Pitch Horn · out of toleranceDURING INSPECTION OF THE MAIN ROTOR GRIP PITCH HORN TO GRIP COUNTER BORES, MEASURED THE BORES USING A TELESCOPING GAUGE AND MICROMETER.SDR 99ZZZX2490Blade · disbondedDURING DAILY INSPECTION, FOUND VOID AT UPPER AND LOWER SECTION OF TRIM TAB TRAILING EDGE. AIRCRAFT TT: 4,967.8 HOURS. M/R BLADE REMOVED AND SENT FOR REPAIR.SDR 99ZZZX2491Blade · disbondedAIRCRAFT HAD VERTICAL VIBRATION ON SHORT FINAL TO LAND. INSPECTED AIRCRAFT, FOUND LOWER TRIM TAB HAD DISBONDED ON M/R BLADE PN 212-015-501-5, SN A262. AFTER CLOSER INSPECTION, FOUND CORROSION UNDER TAB. REMOVED M/R HUB AND BOTH M/R BLADES FOR CONVENIENCE.