N557UH
Registered owner: HYLIO INC, TX (owner ≠ operator)
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.
5 reports on file, 2008-05-17 – 2015-09-22.
Part: SUPPORT — CRACKED (TAILBOOM) · airframe 6,723 hrs · 21,629 cycles
DURING ZONE 10 INSPECTION FOUND CRACK IN TAIL BOOM AT SUPPORT ASSEMBLY FOR HORIZONTAL STABILIZER.
Part: YOKE — CRACKED (MAIN ROTOR) · airframe 5,769 hrs · 18,565 cycles
WHILE PERFORMING SCHEDULED 600 HR RECURRING INSPECTION IAW ASB 430-12-48 & BHT-430-MM-2 SECTION 4.1 ON ACSN 49120, DISCOVERED A TOTAL OF 5 CRACKS LESS THAN 3 INCHES ON EACH ARM OF MR YOKE PN 430-010-101-101, SN A-361.
Part: STUD — BROKEN (T/R GEARBOX) · airframe 5,414 hrs · 17,317 cycles
STUD HAD SHEARED OFF OF THE TAIL ROTOR GEARBOX MOUNTING FLANGE AT ONE O`CLOCK POSITION. NOTICED POSITIONS THREE, FIVE AND ELEVEN O`CLOCK STUDS WERE LOOSE AS WELL. REMOVED TAIL ROTOR GEARBOX FROM THE ACFT.
Part: DISPLAY — FAILED (EFIS) · airframe 2,484 hrs · 6,736 cycles
RETURNING, NOTICED A BURNING ODOR IN THE COCKPIT. ASKED THE CREW IF THEY COULD SMELL ANYTHING AND THEY INFORMED ME THEY COULD SMELL IT AS WELL. STARTED LOOKING FOR INDICATIONS AS TO WHERE THE ODOR WAS COMING FROM. THERE WERE NO INDICATION LIGHTS ON THE IIDS AND COULD NOT ISOLATE THE FAULT AT THAT MOMENT. WE WERE NOW STARTING OUR APPROACH, COMPLETED THE LANDING AND THEN GOT A RED MON INDICATION ON MY EADI. THEN NOTICED THE CO-PILOTS EHSI WAS DEAD. MX NOTIFIED OF A BURNING ODOR IN THE COCKPIT AND FOUND THE TUBE HAD SMOKED.
Part: VERTICAL GYRO — FAULTY (COCKPIT)
DURING CRUISE FLIGHT, PILOT FELT A VIBRATION IN THE AC FOLLOWED BY ATTITUDE EXCURSIONS IN THE PITCH AXIS. THIS OCCURRED OVER A PERIOD OF APPROXIMATELY (2) MINUTES AND FELT SIMILAR TO GOING OVER A SERIES OF SPEED BUMPS. THE PILOT ELECTED TO MAKE A PRECAUTIONARY LANDING AND NOTIFIED MAINTENANCE. TROUBLESHOOTING INDICATES THE VERTICAL GYRO AT FAULT.