N7077B

Part: RADIO — LOW (COCKPIT) · airframe 8,425 hrs

VOLUME TOO LOW AND WOULD NOT ADJUST. SENDING TO VENDOR FOR REPAIR.

Part: TRANSCEIVER — WEAK (VOR SYSTEM) · airframe 8,018 hrs

WEAK RECEIVE. PERFORMED PRELIMINARY INSPECTION. FOUND MODULATION LOW AND WILL NOT ADJUST. REPLACED Q313, Q312 AND R505. ALSO FOUND NAV RECEIVER WEAK. TROUBLESHOT AND FOUND SEVERAL COIL AND INDUCTORS FROZEN. REPLACED L202, L206, L300, L301, L303 AND L304. ALSO REPLACED T205. COMM RECEIVER SENSITIVITY VERY WEAK AND WILL NOT ADJUST.

Part: OIL COOLER — CLOGGED (ENGINE OIL)

OIL COOLER HAS HIGH OIL TEMPERATURE AND CORE IS CLOGGED.

Part: EXHAUST STACK — CRACKED (ENGINE)

EXHAUST ASSEMBLY CRACKED.

Part: CARBON SEAL — LEAKING (M/R DRIVE)

SEAL LEAKING. REPLACED WITH SERVICEABLE SEAL.

Part: TRANSPONDER — ERRATIC (COCKPIT)

TRANSPONDER REPORTED INOPERATIVE. PERFORMED PRELIMINARY INSPECTION AND FOUND SENSITIVITY WEAK AND ERRATIC. UNABLE TO ADJUST.

Part: SUPPORT — BENT (GP SECTION)

RECEIVING INSPECTION REVEALED: BEND BEYOND SERVICEABLE LIMITS ON G.P. SUPPORT PRESSURE OIL STRUT. PART OVERHAULED W/O 16671.

Part: CENTER CASE — CORRODED (BOLT HOLES)

MAIN ROTOR GEARBOX HAS CORROSION IN BOLT HOLES.

Part: INPUT LINE — WORN (CASE ASSEMBLY)

GEARBOX INPUT LINE IS WORN.

Part: BEARING — FAILED (COUPLING)

BEARING BREAKING DOWN ON ROLLER. REPLACED WITH SERVICEABLE PART.

Part: BEARING — GROOVED (COUPLING)

BEARING HAS GROOVES ON ROLLERS. REPLACED WITH SERVICEABLE PART.

Part: INPUT SHAFT — WORN (XMSN)

INPUT SHAFT SPLINES WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: ACTUATOR — FAILED (DROOP COMP)

ACTUATOR ARM EXTENDS AND THEN RETRACTS WHEN KEPT UP.

Part: INDICATOR — MALFUNCTION (COCKPIT ATTITUDE)

FLAG WILL NOT PULL. SENT TO B.F. GOODRICH AEROSPACE FOR INSPECTION AND REPAIR.

Part: INDICATOR — ERRATIC (DUAL TACH)

TURBINE NEEDLE ERRATIC BELOW 50% RPM.

Part: INDICATOR — FAULTY (ENG TOT)

AFTER UNIT WARMS UP, INDICATES HIGH OUT OF TOLERANCE THROUGHOUT SCALE. STARTS READING HIGH AT 400. 20 HIGH AT 826.

Part: INDICATOR — DEFECTIVE (COCKPIT ATTITUDE)

ATTITUDE IND. SLOW TO ERECT.

Part: SERVO — LEAKING (SERVO SYS)

SERVO LEAKING.

Part: SKYNAV 5000 — MALFUNCTION (COCKPIT GPS)

GPS LOSING WAYPOINT.

Part: BEARING — CRACKED (T/R)

TWO EACH INBOARD BEARINGS CRACKED. 2 EACH OUTBOARD BEARINGS GALLED ON BOTH BLADES P/N 206-016-201-131 (T.T. 471:50) ALONG WITH 4 EACH SLEEVES P/N 206-010-733-003.

Part: INDICATOR — STUCK (COCKPIT TOT)

NEEDLE STUCK ON ZERO AND WOULD NOT INDICATE. TIME SINCE REPAIR 138:20.

Part: BULKHEAD ASSY — CRACKED (TAILBOOM)

FORWARD BULKHEAD ASSY CRACKED AT 3 EACH ATTACHMENT SHIM LOCATIONS. FOUND CRACKS DURING COMPLIANCE OF T.B. 206L-94-169. ALSO FOUND SEVERAL LOOSE RIVETS ATTACHING TAIL ROTOR GEARBOX SUPPORT FITTING TO AFT END OF TAILBOOM ASSY AND SEVERAL LOOSE(WORKING) RIVETS ON ATTACH FITTINGS AND INTERCOSTALS AT FORWARD END OF TAILBOOM ASSEMBLY. REPLACED FWD BULKHEAD ASSY. REWORKED ALL INTERCOSTAL ASSEMBLIES PER BHT-206-SRM-1 SECTION 6-3-1. REMOVED, CLEANED AND REINSTALLED GEARBOX SUPPORT AS PER BHT-206-SRM-1 SECTION 6-3-7.

Part: LINK ASSY — WORN RUBBER (XMSN MOUNT)

WORN RUBBER.

Part: TORQUEMETER — ERRATIC (COCKPIT)

ERRATIC AND RATCHETY MOVEMENT. TIME SINCE REPAIR :25.

Part: BEARING — CRACKED (T/R BLADE)

BEARINGS CRACKED. ALSO REPLACED 4 EACH SLEEVES, P/N 206-010-733-003 AND 8 EACH SPACERS, P/N 206-011-742-101. NOTE: SEE MMIR'S # 6826 THROUGH #6835 FOR ADDITIONAL BEARING REPLACEMENTS.

Part: RESTRAINT — BEARING WORN (TRANSMISSION)

TRANSMISSION RESTRAINT BEARINGS WORN.

Part: TRANSCEIVER — FAILED (COCKPIT ATC)

ATC REPORTS NO SIGNAL FROM UNIT. UNIT HAS VERY WEAK POWER OUT. REPLACED CAVITY TUBE V101. REPAIRED. ADJUSTED FREQUENCY AND PULSE WIDTH. CLEANED CONTACTS ON ALL WAFERS. BENCH CHECK GOOD.

Part: STIFFNER — CRACKED (FUSELAGE)

STIFFENER IS CRACKED. (STIFFNER CRACKED UPPER SECTION) REPLACED WITH SERVICEABLE STIFFNER.

Part: FRAME — CRACKED (FUSELAGE)

PART IS CRACKED. (FRAME CRACKED AT R/H UPPER ATTACHMENT FITTING.) REPLACED WITH SERVICEABLE FRAME.

Part: SHAFT SPLINE — WORN (TRANSMISSION)

AT TRANSMISSION 1500 HOUR INSPECTION FOUND SHAFT SPLINES WORN BEYOND LIMITS. REPLACED WITH NEW SHAFT.

Part: NUT — STRIPPED (FREEWHEEL)

STRIPPED SPLINE TEETH WHERE TOOL ENGAGES. REPLACED WITH SERVICEABLE NUT.

Part: SPACER — DEFECTIVE (T/R)

SEAL LEAKING. REPLACED WITH NEW SPACER AND RETURNED TO SERVICE.

Part: INDICATOR — DEFECTIVE (COCKPIT TOT)

TAKES TOO LONG FOR OVER TEMP. LIGHT TO COME ON.

Part: WASHER — DETERIORATED (M/R THRUST)

EXCESSIVE LOAD ON PLUGS CAUSING MATERIAL TO BE DETERIORATED. SCRAPPED LOCALLY. APPLIED LOWER TORQUE ON ADJUSTING SCREWS AND LOWER PRELOAD ON THRUST PLUGS.