N911TL

Part: WINDOW — DEPARTED (COCKPIT) · airframe 7,239 hrs

DURING FLIGHT, COPILOT SLIDING GLASS WINDOW DEPARTED WINDOW. WINDOW CAUSED SUBSEQUENT DAMAGE TO HORIZONTAL STABLIZER AND WINGLET.

Part: BEARING — WORN (PITCH LINK ASSY)

PITCH LINK ASSY HAS WORN BEARINGS. REPLACED 2 EACH 11-3943P BEARINGS DUE TO WORN AND 2 EACH 11-6488P BEARINGS DUE TO WORN. REPAIRED.

Part: TRANSCEIVER — MALFUNCTIONED (VHF SYSTEM) · airframe 6,369 hrs

VOLUME CONTROL INCONSISTENT. REPLACED S901 VOLUME CONTROL SWITCH, REPLACED BAD DISPLAY LENS, INTERMITTENT DS901 DISPLAY AND REPAINTED FACEPLATE. BENCH CHECK GOOD.

Part: TRANSMITTER — MALFUNCTIONED (XMSN OIL PRESS)

AFTER LIFT OFF, TRANSMISSION OIL PRESSURE CAUTION LIGHT ILLUMINATED IN CONJUNCTION WITH LOWER THAN NORMAL READING ON NR 2 TRANSMISSION OIL PRESSURE GAUGE. REPLACED NR 2 TRANSMISSION OIL PRESSURE TRANSMITTER.

Part: BLADE — WORN (TAIL ROTOR)

TAIL ROTOR BLADE HAS WORN PAINT.

Part: BLADE — WORN (TAIL ROTOR)

TAIL ROTOR BLADE HAS WORN PAINT.

Part: BUSHING — WORN (T/R GEARBOX)

TAIL ROTOR GEARBOX HAS A WORN BUSHING. REPAIRED.

Part: TRANSCEIVER — INOPERATIVE (COCKPIT) · airframe 5,647 hrs

TRANSCEIVER WOULD NOT TRANSMIT.

Part: CONTROL HEAD — MALFUNCTIONED (FM COMMS) · airframe 6,138 hrs

DISPLAYING WRONG PL CODE AND CHANGING SETTINGS INDEPENDENTLY OF MASTER CONTROL HEAD.

Part: STRUCTURE — DEBONDED (HORIZONTAL STAB)

PAINT PEELED AND TRAILING EDGE DEBONDED.

Part: BRUSHES — WORN (STARTER-GEN)

STARTER/GENERATOR BRUSHES WORN AND INOPERATIVE.

Part: GYRO — INACCURATE (COCKPIT)

DIRECTIONAL GYRO READING 30 - 60 DEGREES OFF.

Part: GYRO — PRECESSES (COCKPIT)

DIRECTIONAL GYRO PRECESSING.

Part: TRANSCEIVER — FAILED (COCKPIT)

TRANSCEIVER WILL NOT TRANSMIT CORRECTLY.

Part: TRANSDUCER — ERRATIC (YAW SYSTEM)

YAW TRANSDUCER HAS ERRATIC READING WHEN ADJUSTING.

Part: BEARING — LOOSE (M/R HUB)

BEARINGS SPINNING IN HUB. REPLACED WITH SERVICEABLE BEARINGS.

Part: HORIZON — MALFUNCTIONED (COCKPIT)

ARTIFICAL HORIZON SLOW TO PULL FLAG.

Part: ACTUATOR — LEAKING (TAIL ROTOR)

T/R ACTUATOR - LEAKING OUT SEALS.

Part: GYRO — FAILED (COCKPIT)

DIRECTIONAL GYRO NOT SLAVING, HEADING SYNCHRO OUTPUT PRECESSES.

Part: TRANSMITTER — FAILED (FLUX VALVE)

TRANSMITER WILL NOT SLAVE.

Part: INDICATOR — STUCK (ENGINE N1)

GAUGE STICKING AT ZERO ON N1 INDICATOR WHEN POWER SHUT OFF.

Part: INDICATOR — MALFUNCTIONED (TRIPLE TACH)

NR 2 N2 NEEDLE ON TRIPLE TACHOMETER FLUCTUATING AT 100 PERCENT.

Part: RECEIVER — INOPERATIVE (COCKPIT ADF)

ADF RADIO INOPERATIVE. PERFORMED PRELIMINARY INSPECTION, FOUND BLOWN FUSE. INSTALLED CIRCUIT BREAKER (1 AMP) TO TROUBLESHOOT. WHEN TURNED ON, SMOKE CAME FROM UNIT. UNIT OPERATION WAS FAULTY.

Part: RECEIVER — INOPERATIVE (COCKPIT ADF)

BFO INOPERATIVE AND STRIPPED SCREW HOLE ON FRAME. PERFORMED PRELIMINARY INSPECTION AND FOUND PHOTOCELL INOPERATIVE, REPLACED PHOTOCELL, FOUND BFO INOPERATIVE AND STRIPPED SCREW HOLE ON FRAME.

Part: STATIC INVERTER — FAILED (AC SYSTEM)

A/C INVERTER INOPERATIVE.

Part: GPS — MALFUNCTIONED (COCIPIT)

GPS LOSES FIX, CASE LOOSE, BONDING TAB BROKEN.

Part: POWER SUPPLY — BURNED OUT (LIGHTING SYSTEM)

LIGHT SYSTEM POWER SUPPLY UNIT SMOKED.

Part: GPS — DEFECTIVE (COCKPIT)

SATELLITE SIGNALS WEAK. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT TO TAKE TOO LONG TO LOCK ON AND IS DROPPING SATELLITES.

Part: COVER — WORN (T/R XMSN)

FORWARD BORE WORN FROM BEARING SPINNING. REPLACED WITH NEW COVER.

Part: GPS — FAILED (COCKPIT)

INTERMITTENTLY LOSING POWER AND SHUTTING DOWN. NOT AIRCRAFT WIRING. DOES SAME WHEN POWERED UP ON BENCH. FOUND UNIT TO LOCK UP AND CHANGES MODES WITHOUT PRESSING ANY KEYS.

Part: GPS — FAILED (COCKPIT)

GPS INOPERATIVE. FOUND UNIT NOT PICKING UP ANY SIGNALS; ALSO ENT BUTTON IS VERY INTERMITTENT.

Part: STATIC INVERTER — FAILED (AC SYS)

STATIC INVERTER INOPERATIVE.

Part: TRANSCEIVER — INTERMITTENT (COCKPIT)

RECEIVES INTERMITTENT AND MIKE GAIN DEVIATION INTERMITTENT.

Part: SLEEVE — WORN (TAIL ROTOR)

T/R BEARING SEATS WORN.

Part: HUB — WORN (T/R)

HUB BEARING SEAT WORN.

Part: BLADE — WORN (T/R)

BLADE S/N 073 LEADING EDGE WORN.

Part: GYRO — DEFECTIVE (YAW CSAS)

GYRO UNIT NOISY, GROWLING, YAW CSAS KICKING.

Part: EMERGENCY POWER — LOW (DC SYS)

EMERGENCY POWER HAS LOW POWER.

Part: TRANSDUCER — DEFECTIVE (FUEL PRESS)

FUEL PRESS READING IS HIGH.

Part: ACTUATOR — LEAKING (T/R)

T/R ACTUATOR LEAKING EVERYWHERE.

Part: GYRO — DEFECTIVE (COCKPIT HORIZ)

FLAG PULLS BUT VERY SLOW TO ERECT 45 DEGREE/15 MINUTES.

Part: ALTIMETER — ERRATIC (RADAR ALT)

NEEDLE FLUCTUATES ERRATICALLY. TEST FUNCTION SOMETIMES PEGS NEEDLE ABOVE 3000'. FOUND POWER OUT DOES NOT MEET SPECS. STRIPLINE ASSY IS BAD.

Part: ALTIMETER — ERRATIC (COCKPIT RAD ALT)

ERRATIC RADAR ALT. OPERATION AT ZERO AND ABOVE 2000FT. RESOLDERED ALL WIRES GOING TO STRIP LINE ASSEMBLY. REPAIRED PROBLEM. VIBRATED AND COOKED UNIT TO VERIFY NEEDLE STABILITY. REPLACED BROKEN CAPACITOR C701. REPLACED RESISTORS R518,R519,R534 AND R260 TO INCORPORATE MOD 10. BENCH CHECK GOOD.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT VHF)

MHZ, KHZ FREQUENCY, TRANSFER FREQUENCY AND CHANNEL FREQUENCY UNABLE TO CHANGE.

Part: TRANSPONDER — MALFUNCTION (COCKPIT)

ATC UNABLE TO RECEIVED MODE C. FOUND LOW POWER OUT. TRIED ADJUSTING POEWR TO SPECS. REPLACED CAVITY TUBE V101. REPAIRED. ADJUSTED FREQUENCY. BENCH CHECK GOOD.

Part: TRANSCEIVER — FAILED (COCKPIT)

UNABLE TO RECEIVE.

Part: TRANSCEIVER — INOPERATIVE (COCKPIT ATC)

ATC REPORTING INOPERATIVE. FOUND WAFER SWITCHES (2 EACH) BROKEN. REPLACED SWITCH BOARD. REPAIRED PROBLEM. ALIGNED RECEIVER AND ADJUSTED FREQUENCY. BENCH CHECK GOOD.

Part: SKIN — CRACKED (TAILBOOM)

DURING INSPECTION FOUND TAILBOOM MOUNT CONE SKIN CRACKED AT TOP AFT ECU MOUNT. REPAIRED SKIN BY STOP DRILLING CRACKS, ADDING FILLER PATCH AND ADDING DOUBLER TO TAILBOOM MOUNT CONE SKIN AT TOP AFT ECU MOUNT AND IN ACCORDANCE WITH 337 DATED 4-28-95 FOLLOWING REPAIR PROCEDURE BK117 #H6057-BK117-0426951.

Part: TRANSDUCER — MALFUNCTION (FUEL QTY)

TRANSDUCER CAUSING FUEL GAUGE NEEDLE TO STICK AT ZERO.

Part: INDICATOR — FAILED (ENG N1)

WITH POWER APPLIED, NEEDLE WON'T RETURN TO ZERO.

Part: INDICATOR — DEFECTIVE (COCKPIT N1)

INDICATOR READS HIGH OUT OF TOLERANCE AT HIGH RANGE.

Part: ACTUATOR — LEAKING (TAIL ROTOR)

LEAKING AT CONTROL VALVE.

Part: CONTROL HEAD — DEFECTIVE (COCKPIT FM)

CHANNEL 1 INTERMITTENT ON RT-3.

Part: SKY 5000 — DEFECTIVE (COCKPIT GPS)

LOSES MEMORY AFTER SHUTDOWN.

Part: TRANSCEIVER — INOPERATIVE (COCKPIT)

INOPERATIVE. REPLACED DEFECTIVE CAVITY OSCILLATOR V101 AND BROKEN COIL L101, ADJUSTED FREQUENCY AND RETURNED TO SERVICE.

Part: TRANSCEIVER — INOPERATIVE (COCKPIT)

ATC DOES NOT RECEIVE IN AIRCRAFT. REPLACED DEFECTIVE V101 CAVITY OSCILLATOR, BURNT RESISTOR R441, AND DETERIORATED RESISTOR R477, ADJUSTED FREQUENCY AND RETURNED AIRCRAFT TO SERVICE.