N937S

Bell 206L-3 No injuries Part 91 — operator not named in the NTSB record

BELL 206L-3 No injuries Part 91 — operator not named in the NTSB record

ATA 6730

Part: PLUG — STUCK (CYLINDER)

FOUND PLUG STICKS IN SLEEVE AND SPRING STICKS ON SPOOL. SENT TO FORTNER ACCESSORY SERVICE CORP. FOR WARRANTY REPAIR.

ATA 2910

Part: HOSE — RUPTURED (HYDRAULIC SYSTEM)

HYDRAULIC HOSE RUPTURED DURING FLIGHT RESULTING IN TOTAL LOSS OF HYDRAULICS. PILOT LANDED WITHOUT INCIDENCE. TECHNICAL BULLETIN TB206L-97-193 WHICH INCORPORATES A LONGER HOSE TO PREVENT THIS OCCURRENCE HAD NOT YET BEEN ACCOMPLISHED. NEW HOSE P/N 70-061H000T134A HAS BEEN INSTALLED IAW THE BULLETIN. SUBMITTER SUGGESTED THIS LONGER HOSE BE INSTALLED BY ANYONE HAVING THE OLDER SHORTER HOSES TO PREVENT THIS OCCURRENCE.

ATA 6510

Part: SHAFT — PITTED (T/R DRIVE)

DURING INSPECTION OF THE TAILBOOM, MECHANIC NOTICED A VERY FAINT DISCOLORED LINE ADJACENT TO THE GLUE LINE OF ONE FLANGE ON THE TAIL ROTOR DRIVESHAFT. FURTHER INSPECTION WITH 10X MAG GLASS REVEALED PITTING INTO THE ALUMINUM SHAFT APPROXIMATELY 30 DEGREES OF THE CIRCUMFERENCE WITH EVIDENCE OF MORE BEGINNING THE REMAINDER OF THE WAY AROUND THE SHAFT. SUSPECT A CORROSIVE REACTION TO THE GLUE OR PREPARATION FOR GLUE AT MANUFACTURE AS THIS HELICOPTER HAS NEVER BEEN OPERATED IN A HIGH CORROSIVE ENVIRONMENT. THE PART WAS INSTALLED NEW 3 YEARS EARLIER AND HAS ACCUMULATED 1237.1 HOURS.

ATA 7320

Part: FILTER ELEMENT — CRACKED (FCU PC FILTER)

FILTER ELEMENT CRACKED WHERE END CAP IS ATTACHED TO ELEMENT. SOME PIN HOLES AND CORROSION AROUND FILTER TO END CAP BOND. ELEMENT MAY HAVE BEEN FROM ENGINE OPERATED IN SALT LADEN ATMOSPHERE AND INSTALLED WHEN ENGINE WAS TORN DOWN FOR INSPECTION BY OUTSIDE VENDOR. RECOMMEND INSP WITH 10X MAGNIFYING GLASS EACH INSP INTERVAL.

ATA 5302

Part: FITTING — CRACKED (TAILBOOM ATTACH)

TAILBOOM ATTACH FITTING FOUND CRACKED ON ROUTINE INSPECTION. FITTING AND LONGERON WERE REPLACED IAW BELL 206 SRM.