N8593X

Part: BATTERY — WEAK (MAIN)

MAIN BATTERY WEAK.

Part: BATTERY — DISCHARGED (MAIN)

WEAK BATTERY. REPLACED WITH SERVICEABLE BATTERY.

Part: RADIO — INTERMITTENT (VHF COMMS) · airframe 5,497 hrs

INTERMITTENTLY UNABLE TO CHANGE FREQUENCY. PERFORMED PRELIMINARY INSPECTION. FOUND SELECTOR KNOBS INTERMITTENTLY DO NOT CHANGE FREQUENCY. CLEANED WAFER SWITCHES. REPAIRED. FOUND POWER OUT LOW AT 135 MHZ. REPLACED C623 AND C624 CAPACITORS. REPAIRED. ADJUSTED C/N SQUELCH, MIC GAIN AND SIDETONE. BENCH CHECK GOOD.

Part: INDICATOR — FAILED (TOT)

NEEDLE WENT TO ZERO.

Part: INDICATOR — MALFUNCTIONED (RADAR ALTIMETER) · airframe 4,972 hrs

WILL NOT INDICATE OR POWER UP.

Part: INDICATOR — FAILED (ENGINE OIL)

INDICATOR'S TEMPERATURE NEEDLE WILL NOT MOVE.

Part: ANTENNA — CORRODED (RADAR ALTIMETER)

ANTENNA HAD CORROSION ON BASE AND WAS SWOLLEN. UNIT SCRAPPED.

Part: TRANSMITTER — MALFUNCTIONED (ELT)

ELT SELF-ACTIVATES SPORATICALLY.

Part: INDICATOR — READS HIGH (TRANSMISSION OIL)

PRESSURE READS HIGH, MARKINGS FADED.

Part: INDICATOR — ERRATIC (DUAL TACHOMETER)

INDICATOR NEEDLES ERRATIC AND STICK ON DUAL TACHOMETER.

Part: TRANSDUCER — DEFECTIVE (FUEL PRESSURE)

TRANSDUCER TRANSMITS LOW, OUT OF TOLERANCE.

Part: FLOAT — LOOSE (MLG)

ATTACHMENT GRID COMING LOOSE ON FLOAT BAG ASSEMBLY, FORWARD END.

Part: INDICATOR — DAMAGED (FUEL QUANTITY)

BEZEL GASKET SHRUNK ON FUEL QUANTITY INDICATOR. GLASS APPEARS TO BE CRACKED.

Part: FLOAT — LOOSE (MLG)

ATTACHMENT GRID COMING LOOSE, ON FLOAT BAG ASSEMBLY, FORWARD END.

Part: ACTUATOR — STICKING (DROOP BAY)

ACTUATOR HANGS UP AND STICKS, ERRATIC.

Part: FLOAT BAG ASSY — DAMAGED (MLG)

LARGE BLISTER IN CENTER AREA OF FLOAT BAG.

Part: PANEL — MISMANUFACTURED (FUSELAGE)

PANEL ASSEMBLY MISMANUFACTURED. WHEN FITTING AIRCRAFT POP-OUT WINDOW TO NEW PANEL, FOUND WINDOW AREA TOO LONG. WINDOW FALLS OUT AND WHEN MATCHED TO OLD PANEL, TOP FLANGE IS .1250 INCH TOO SHORT AND BOTTOM FLANGE IS .50 TOO SHORT.

Part: SKIN — CORRODED (HORIZ STAB)

STABILIZER ASSEMBLY CORRODED BEYOND LIMITS ON LEFT EDGE.

Part: INDICATOR — FAILED (DUAL TACH)

DUAL TACHOMETER, ONE-HALF NEEDLE WIDTH SPLIT AT 100 PERCENT.

Part: GOVERNOR — MALFUNCTIONED (ENGINE)

DURING TAKEOFF, ROTOR RPM DECAYED TO 97 PERCENT. WOULD NOT RECOVER. PILOT LANDED WITHOUT INCIDENT. ALL TROUBLESHOOTING REVEALED NO DISCREPANCIES, COULD NOT DUPLICATE PROBLEM. MAINTENANCE CHANGED GOVERNOR FOR PRECAUTION. REF: ALLSION C-30 IPC, CHAPTER 73-20-00, FIGURE 5, PAGE 2, ITEM 59.

Part: BLADE — CORRODED (M/R)

BLADE HAS DRILL HOLE IN THE SPAR FROM BELL. AFTER CLEANING THE CORROSION IN THE DRILL MARK IN THE SPAR, THE SPAR MEASURED ONLY .092" WHICH IS BELOW THE ALLOWABLE LIMIT. BLADE

Part: INDICATOR — FAILED (ENG OIL)

INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DID NOT WORK. SCRAPPED INDICATOR AND REPLACED WITH SERVICEABLE PART.

Part: ELEVATOR — CORRODED (RT ASSY)

RT ELEV ASSY CORRODED BEYOND LIMITS.

Part: ELEVATOR — SEPARATION (LT ASSY)

LT ELEV ASSY SEPARATED ALONG TRAIL EDGE.

Part: INDICATOR — READS HIGH (ENG OIL)

INDICATOR INDICATES 5 PSI HIGH.

Part: TRANSMITTER — ERRATIC (FUEL QTY)

FUEL QUANTITY READING ERRATIC.

Part: STRAP — DEFECTIVE (M/R)

UNABLE TO TRACK AND BALANCE ON AIRCRAFTS. (THREE EACH DIFFERENT A/C - N6610C, N5742H, AND N8593X. SERIAL NUMBERS REMOVED ARE BT16714 AND BT16728.

Part: BEARING — CRACKED (T/R)

CRACKED OUTBOARD BEARING (1 EACH) . ALSO REPLACED ONE EACH SLEEVE P/N 206-010-733-003. REMOVED FROM T/R HUB S/N AFS-6091, T.T. 2040:20. SCRAPPED BEARINGS AND SLEEVES LOCALLY.

Part: BEARING — CRACKED (T/R)

CRACKED INBOARD (2 EACH) AND OUTBOARD BEARING (1 EACH) . ALSO REPLACED THREE EACH SLEEVES P/N 206-010-733-003. REMOVED FROM T/R HUB S/N AFS-6091, T.T. 2040:20. SCRAPPED BEARINGS AND SLEEVES LOCALLY.