N617CK

SIKORSKY S-61N · 1962 · Valid Registration

Registered owner: CROMAN CORP, OR (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
CROMAN CORP (JYEA)Operator2022-09-01 – 2022-09-01Operator named in NTSB report

Accident & incident history

Acc · 2022-09-01 Operator named in NTSB report
SIKORSKY S-61N Minor injury Part 133CROMAN CORP
Source: NTSB case WPR22LA330

Maintenance disclosures

O · 2016-02-09 Unresolved
ATA 8300

ENGINE WAS REMOVED FROM AIRCRAFT DUE TO AN IN FLIGHT NR 2 ENGINE CHIP LIGHT. THE FRONT FRAME ACCESSORY DRIVE GEARBOX CHIP WAS REMOVED AND DETERMINED TO BE THE SOURCE OF THE LIGHT. THE MATERIAL FOUND ON THE CHIP DETECTOR HAD ALL THE APPEARANCES OF A PORTION OF A GEAR TOOTH FROM THE ACCESSORY DRIVE GEARBOX OR FRONT FRAME ACCESSORY DRIVE. THE ENGINE WAS SHIPPED TO THE FACILITY AND THE ACCESSORY PACKAGE WAS REMOVED AND REVEALED A CHIPPED TOOTH ON THE ACCESSORY DRIVE GEARBOX PINION GEAR. THE PINION GEAR BEARINGS WERE FAILING AS INDICATED BY EXCESSIVE AXIAL PLAY. MIGRATION OF THE PINION GEAR AWAY FROM THE BEVEL GEAR IS EVIDENCED BY A WEAR PATTERN HIGH AND TOWARDS THE HEEL OF THE BEVEL GEAR. GROOVES WERE BEGINNING TO FORM ON THE HEEL OF THE BEVEL GEAR.

Source: SDR JYER20160209001 · FAA SDRS