These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (8)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
Tail rotor drive · disc · inoperativeMay 21, 2003
FOUND DURING 500 HOUR INSPECTION: VISIBLE WEAR STEP, REPLACED IAW MFG TECH. NOTE: DISC FREE FLOATS ON MAIN GEAR BOX TAILROTOR OUTPUT SHAFT. (P/N: 632A2108102) WHICH SEES INCREASED WEAR.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Main rotor drive · disc · failedMay 21, 2003
FOUND DURING 500 HOUR INSPECTION. INSPECTION CHECK WIGH DIAL INDICATOR REQUIRED DISASSEMBLE. SPLINES INSPECTED AND MEASURED WITH PINS. BEYOND LIMITS, PART REJECTED. NOTE: ROTOR BRAKE DISC FREE FLOATS ON THIS SPLINE ASSEMBLY. WEAR STEP ONLY IN AREA DISC RIDES.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Electrical power · brushes · wornJan 17, 2002
DEFECT FOUND DURING SCHEDULED MAINTENANCE, 100 HOUR INSPECTION. STARTER GENERATOR HAD PRIOR OVERHAUL AND MODIFICATION TO (XL) CONFIGURATION. FOUND 4 BRUSHES WORN LIMIT, 4 WITH UNDER 10 HOURS APPROXIMATE TIME LEFT. STARTER REPAIRED, NEW BRUSHES INSTALLED. POSSIBLE WRONG OR TOO SOFT CARBON COMPOUND.
From FAA Service Difficulty Reports; matched by N-number and serial number.
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Hydraulic power · valve · defectiveJun 1, 2001
DURING NORMAL RUNUP PROCEDURES, THE HYDRAULICS ARE SWITCHED OFF AS PART OF THE SYSTEM CHECK. UPON ACTIVATING THE HYDRAULIC SWITCH ON THE COLLECTOR THE HYDRAULIC LIGHT ILLUMINATES BUT THE CONTROLS STILL HAD HYDRAULIC BOOST SUPPLIED BY THE ACCUMULATOR. THIS SHOULD NOT HAPPEN. ALL 3 SERVO…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Hydraulic power · valve · defectiveJun 1, 2001
DURING NORMAL RUNUP PROCEDURES, THE HYDRAULICS ARE SWITCHED OFF AS PART OF THE SYSTEM CHECK. UPON ACTIVATING THE HYDRAULIC SWITCH ON THE COLLECTOR THE HYD LIGHT ILLUMINATES BUT THE CONTROLS STILL HAD HYDRAULIC BOOST SUPPLIED BY THE ACCUMULATOR. THIS SHOULD NOT HAPPEN. ALL 3 SERVO ELECTROVALVES…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Hydraulic power · powerpack · malfunctionedJun 1, 2001
DURING NORMAL RUNUP PROCEDURES, THE HYDRAULICS ARE SWITCHED OFF AS PART OF THE SYSTEM CHECK. UPON ACTIVATING THE HYDRAULIC SWITCH ON THE COLLECTOR THE HYDRAULIC LIGHT ILLUMINATES BUT THE CONTROLS STILL HAD HYDRAULIC BOOST SUPPLIED BY THE ACCUMULATOR. THIS SHOULD NOT HAPPEN. ALL 3 SERVO…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Hydraulic power · powerpack · defectiveJun 1, 2001
AFTER STARTING THE HELICOPTER THE CYELIC STICK FELT STIFF AND SLUGGISH WHEN MOVED IN ANY DIRECTION. AFTER RUNNING FOR SEVERAL MINUTES THE CONTROLS FELT BETTER BUT NOT NORMAL AFTER REPLACING THE HYDRAULIC POWER PACK THE PROBLEM WEN AWAY. THE FILTER WAS REMOVED AND WHAT APPEARED TO BE VERY FINE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Electrical power · brushes · wornJan 16, 2001
DEFECT FOUND DURING SCHEDULED MAINTENANCE, 100 HOUR INSPECTION. LARGE QUANTITY OF CARBON DUST NOTICED AROUND STARTER GENERATOR. FURTHER INSPECTION FOUND BRUSHES WORN BEYOND LIMITS.
From FAA Service Difficulty Reports; matched by N-number and serial number.