N291EH

Part: TRANSMITTER — MALFUNCTIONED (FUEL QUANTITY) · airframe 8,136 hrs

FUEL PROBE HAS INCORRECT READINGS. REPLACED CASE ASSEMBLY AND TESTED.

Part: ROTOR HEAD — CRACKED (TAIL ROTOR) · airframe 8,360 hrs

INNER SLEEVE BUSHING CRACKED. PITCH CHANGE BUSHINGS WORN. DISASSEMBLED FOR INSPECTIONS PERFORMED VISUAL AND NDT INSPECTIONS AS REQUIRED REPAIRED WORN, DAMAGED AND CORRODED PARTS. COMPLIED WITH 1200HR / 6 YEAR INSPECTGION ON HUB. 300 AND 2400 HR BLADE INSPECTONS DONE. REASSEMBLED, TORQUED AND SAFETIED AS REQUIRED. INSTALLED 2 SERVICEABLE BLADES AND STATIC BALANCED. INSPECTED AND REPAIRED IAW BO105-REM301, MM CH 3334,101 AND 107. TT 13361.3

Part: SUPPORT — CRACKED (TURBINE SECTION) · airframe 8,279 hrs

POWER TURBINE SUPPORT WAS OVERHAULED AND RETIRED WITH A CRACK ADJACENT TO A TACK WELD ON 25-28 SEAL.

Part: ROTOR HEAD — STIFF (TAIL ROTOR) · airframe 8,297 hrs

AC HAS STIFF PEDALS. SUSPECT TAIL ROTOR IS CAUSE. NO OBVIOUS DEFECTS TO BUSHINGS. BLADES HAVE SHIPPING DAMAGE. REMOVED BLADES & MOUNTING FORKS. VISUALLY INSPECTED & DIMENSIONS CHECKED FRICTION SURFACES OF PITCH CHANGE BUSHINGS; NO DEFECTS. COMPLIED WITH PULL TEST ; NO DEFECTS. BENT BLADES OUT FOR EVALUATION DUE TO SHIPPING DAMAGE. INSTALLED 2 SERVICEABLE BLADES, REASSEMBLED & STATIC BALANCED.REPAIRED IAW BO-105 REM 301, MM CH 33,34 & 107 TT 13134.4 TSI 296.1.

Part: SHAFT — STIFF (GOVERNOR) · airframe 4,620 hrs

THROTTLE SHAFT STIFF. THROTTLE BUSHING, REPLACED WITH NEW, AND GOVERNOR WAS RE-CALIBRATED TO FINAL CALIBRATION LIMITS.

Part: DIAPHRAGM — DEFORMED (ENG GOVERNOR) · airframe 7,506 hrs

NR 1 STARTS HUNTING UP & DOWN AFTER 10-20 MIN. GOVERNOR BLEEDS OFF 200 RPM TOO EARLY. GOVERNOR LEVER, CAM LEVER AND FLY WEIGHT BEARINGS FOUND ROUGH AND DRY. PR DIAPHRAGM FOUND DEFORMED.

Part: INDICATOR — CORRODED (COCKPIT) · airframe 6,899 hrs · 9,168 cycles

PART IS CORRODED. CONNECTOR INSERTS PULLED OUT . CONNECTOR PLATE BROKEN, CORROSION ON CASE INSIDE AND ON BASE, UNIT LEAKS AND OUT OF ADJUSTMENT. ACTION TAKEN: REPAIRED, CLEANED CORROSION, REPLACED CONNECTOR PLATE, FIXED LEAKS, AND FUNCTIONALLY TESTED OK TO 20,000 FEET. C/W AIRWORTHINESS DIRECTIVES OR SB'S AS PER TSM 7421 REV A JAN 1993.

Part: SHAFT — LEAKING (FREEWHEEL UNIT) · airframe 7,123 hrs

FREEWHEEL SHAFT IS CAUSING INPUT SEAL TO LEAK. NEEDS SPECIAL COATING REPLACED. WAS PURCHASED NEW 2/14/00. RETURNING ON ERA REPAIR ORDER 885185 REQUESTING WARRANTY EXCHANGE.

Part: BEARING — FAILED (COMPRESSOR)

ENGINE MAKING METAL; NR 5 BEARING FAILED, SCROLL CRACKED AT TOP ECU FITTING.

Part: INDICATOR — ERRATIC (COCKPIT)

INDICATOR UNIT HAS ERRATIC READINGS.

Part: SHAFT — MISMANUFACTURED (TURBINE SECTION)

NEW OUTER SHAFT HAS UNDERSIZE NR 5 BEARING JOURNAL.

Part: SUPPORT — GROOVED (ENG P.T.)

P.T. SUPPORT WAS REPAIRED AND RETURNED TO ERA 12-12-96 . P.T. SUPPORT HAS GROOVE IN SEALING SURFACE FOR LARGE "U" RING.

Part: BEARING — GALLED (NR 7)

ROLLERS ARE GALLED & GROOVED.

Part: NOZZLE — NOT BONDED (2ND STAGE)

NOZZLE WAS OVERHAULED BY DALLAS AIRMOTIVE ON W/O C67745, SENT IN ON ERA P.O. G108376 , RECEIVED BACK AT ERA 3/16/95. A VISUAL INSPECTION WAS CONDUCTED AND DISCOVERED THAT THE METALIZED PORTION OF THE 2ND STG BLADE TIP PATH IS NOT BONDED TO THE PARENT MATERIAL.

Part: GP SUPPORT — MIS OVERHAULED (GAS PROD)

G.P. SUPPORT WAS OVERHAULED BY DALLAS AIRMOTIVE ON W/O C67562 , SENT IN ON ERA P.O.G107056 AND RECEIVED BACK JAN 18, 1995. TANG SLOTS ARE UNDER SIZED.