N901CH
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
6 reports on file, 2008-02-17 – 2016-01-21.
Part: BEARING — CORRODED (ZONE 200)
WHEN REMOVING BEAM, LT AND RT SIDES, IT WAS FOUND THAT BOTH OTBD BEARINGS WERE SEVERELY CORRODED. RT BEARING WAS SEIZED WITH NO VISIBLE INDICATIONS OF SEIZURE AND LT 1 WAS STIFF WITH RUST COMING OUT OF BEARING SEALS.
Part: BUSHING — BROKEN (M/R GEARBOX)
DURING REMOVAL OF MAIN ROTOR GEARBOX, THE FWD AND REAR MGB MOUNT BOLTS AND SLEEVE BUSHINGS WERE REMOVED. 3 OF THE 4 SLEEVE BUSHINGS WERE FOUND TO BE COMPLETELY BROKEN, WITH THE 4TH CRACKED APPROXIMATELY 75 PERCENT OF THE CIRCUMFERENCE OF THE BUSHING IN THE SAME LOCATION AS THE OTHER BROKEN BUSHINGS.
Part: FRAME — CRACKED (ZONE 200) · airframe 3,190 hrs
CRACK FOUND BETWEEN TWO FASTENERS ON FORGED OVERHEAD FRAME JUST AFT OF THE APU ACCUMULATOR PRESSURE GAUGE. BS 422, BL 3. MACHINED FITTING FABRICATED AND INSTALLED PER SIKORSKY ENGINEERING DOCUMENT DRB 2015-SA-92-104A.
Part: DOOR — DEPARTED · airframe 15,313 hrs · 10,000 cycles
DURING POSTFLIGHT INSPECTION, AFTER LANDING, MAINT DISCOVERED CABIN DOOR WAS MISSING. INSP OF AC FOUND NO DAMAGE OR MISSING COMPONENTS OTHER THAN DOOR. REPLACEMENT DOOR WAS INSTALLED AND OPS CHECKED WITH NO DISCREPANCIES NOTED TO AIRFRAME, DOOR MOUNTING, STRUCTURE, AND DOOR OPERATION. AIRCRAFT WAS RETURNED TO SERVICE.
Part: DOOR — DEPARTED (MAIN) · airframe 15,313 hrs · 10,000 cycles
DURING POSTFLIGHT INSP, AFTER LANDING, MAINT DISCOVERED CABIN DOOR WAS MISSING. INSP OF AC FOUND NO DAMAGE OR MISSING COMPONENTS OTHER THAN DOOR. REPLACEMENT DOOR WAS INSTALLED AND OPS CHECKED WITH NO DISCREPANCIES NOTED TO AIRFRAME, DOOR MOUNTING, STRUCTURE AND DOOR OPERATION. AC WAS RETURNED TO SERVICE.
Part: DOOR — DEPARTED (ZONE 800) · airframe 15,313 hrs · 10,000 cycles
DURING POSTFLIGHT INSPECTION, AFTER LANDING, MAINT DISCOVERED CABIN DOOR WAS MISSING. INSPECTION OF AIRCRAFT FOUND NO DAMAGE OR MISSING COMPONENTS OTHER THAN DOOR. REPLACEMENT DOOR WAS INSTALLED AND OPS CHECKED WITH NO DISCREPANCIES NOTED TO AIRFRAME, DOOR MOUNTING, STRUCTURE AND DOOR OPERATION. AIRCRAFT WAS RETURNED TO SERVICE.