N4637U
Registered owner: WRIGHT AIR SERVICE INC, AK (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Wright Air Service, Inc. (HYTA) | Certificate holder | — | Matched by certificate designator |
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.
2 reports on file, 1995-09-08 – 2010-10-25.
Part: CLUTCH SPRING — BROKEN (STARTER ADAPTER)
HAVE HAD A CHRONIC PROBLEM WITH BREAKAGE OF STARTER CLUTCH SPRING PN 643109 WHICH IS A COMPONENT OF STARTER ADAPTER PN 643259A. THERE HAVE BEEN 9 FAILURES OF THIS SPRING IN 1592 HRS OF OPERATION. AVERAGE TIS HAS BEEN 173 HRS, WORST TIS 18 HRS, BEST TIS 422 HOURS. PROBLEM PERSISTS EVEN AFTER REPLACING ENGINE WITH NEW ENGINE WITH FAILURES AT 90 TIS AND 701 STIS. MAG TIMING HAS ALWAYS BEEN FOUND AT SEC MAGS, STARTER CONTACTOR, AND MAG SWITCH HAVE ALL BEEN REPLACED IN PURSUING CAUSE OF THESE FAILURES. THE CROSS SECTION OF THE CLUTCH SPRING FOR THIS CURRENT ADAPTER IS SMALLER THAT THE SPRING FOR THE EARLIER STYLE STARTER ADAPTER.
Part: CONTROL ROD — LOOSE RIVETS (PILOTS YOKE)
DURING ROUTINE INSPECTION, FOUND PILOT YOKE PUSH ROD CONTROL TUBE ASSY WITH LOOSE RIVETS. NOTED .05 INCH PLAY IN CONNECTION. NEW PART RECEIVED FROM CESSNA AND INSPECTION REVEALED ALUMINUM RIVETS USED DURING ASSEMBLY IN PLACE OF CARBON STEEL. CESSNA FACTORY VERIFIED CARBON STEEL RIVETS REQUIRED.