N31821
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
20 reports on file, 1995-08-02 – 2003-01-08.
Part: ANTENNA — MALFUNCTIONED (GPS SYSTEM) · airframe 15,116 hrs
ANTENNA SLOW TO COME ON LINE.
Part: RECEIVER — INTERMITTENT (GPS) · airframe 15,094 hrs
GPS INTERMITTENTLY RECYCLES ON-OFF-ON. FOUND UNIT WOULD NOT PASS GPS TEST.
Earlier reports · 1995–2002 · 18 reports
2002
Part: ELEMENT — BYPASSING (ENGINE OIL) · airframe 14,828 hrs
FACET FILTER IN BYPASS CONDITION. REPLACED FILTER.
2001
Part: TRANSPONDER — INTERFERENCE (COCKPIT) · airframe 14,659 hrs
TRANSPONDER SQUAWKING 24000 FEET. REPLACED WITH SERVICEABLE PART.
Part: BATTERY — DISCHARGED (MAIN) · airframe 14,622 hrs
RECEIVED FROM PARTS. WEAK FROM INSTALLATION AND FAILED COMPLETELY. REPLACED WITH SERVICEABLE BATTERY.
Part: SKID — CRACKED (MLG)
18 INCH CRACK AT LOWER SIDE SKID TUBE. REPLACED WITH SERVICEABLE SKID TUBE.
Part: TRANSPONDER — INTERMITTENT (COCKPIT) · airframe 13,000 hrs
TRANSMITS INTERMITTENTLY. MTL LOW. CANNOT MEASURE FREQUENCY.
1999
Part: INDICATOR — FADED (TORQUE)
TORQUE INDICATOR GLASS IS FOGGY AND RANGE MARKINGS ARE FADED.
Part: TRANSCEIVER — INOPERATIVE (COCKPIT)
VOLUME KNOB INOPERATIVE.
Part: FLOAT — LEAKING (MLG)
FLOAT BAG LEAKING.
1998
Part: ACTUATOR — FAILED (DROOP COMP)
ACTUATOR WILL NOT RETRACT.
Part: ACTUATOR — INOPERATIVE (DROOP COMP)
ACTUATOR INOPERATIVE.
Part: TRANSPONDER — FAILED (COCKPIT)
TRANSPONDER DEAD, WILL NOT POWER UP. PERFORMED PRELIMINARY INSPECTION. FOUND PULSE WIDTH OUT OF SPECS. ADJUSTED V101 FOR GOOD POWER OUT AND ADJUSTED FREQUENCY. NO HELP. ALSO FOUND NO TRANSMIT. REPLACED V101 TUBE. REPAIRED TRANSMIT PROBLEM BUT PULSE WIDTH AND FREQUENCY STILL OUT OFSPECS AND RECEIVER VERY WEAK.
Part: TRANSPONDER — FAILED (COCKPIT)
INSTALLED TRANSPONDER IN AIRCRAFT AND POWERED UP FOR TEST. REPLY LIGHT STAYED ON BUT NO OUTPUT COULD BE MEASURED. PERFORMED PRELIMINARY INSPECTION, COULD NOT DUPLICATE PROBLEM. ADJUSTED FREQUENCY AND PULSE WIDTH. BENCH CHECK GOOD.
1997
Part: TRANSPONDER, — WONT TEST (COCKPIT ATC)
WON'T TEST. PERFORMED PRELINARY INSPECTION, FOUND V101 BAD, REPLACED V101 CAVITY TUBE. REPAIRED. ALSO REPLACED V301 PHOTOCELL DUE TO BEING INOPERATIVE. REPAIRED. BENCH CHECK GOOD.
Part: LORAN — MALFUNCTION (COCKPIT ARNAV)
LORAN PRESENT POSITION IS DRIFTING AND DROPPING OFF LOCK.
Part: GYRO — PRECESSES (COCKPIT DG)
DIR GYRO PRECESSES.
1996
Part: FRAME — CRACKED (UPPER RT)
CRACKED UPPER R/H. REPLACED WITH SERVICEABLE FRAME.
Part: INDICATOR — DEFECTIVE (M/R)
INDICATOR ROTOR WILL NOT SPIN AND BEARING IS BAD.
1995
Part: TRANSCEIVER — MALFUNCTION (COCKPIT)
DOES NOT REPORT. VERIFIED UNIT TO HAVE WEAK POWER OUT. REPLACED CAVITY OSCILLATOR V101. REPAIRED. REPLACED DETERIORATED RESISTOR R477. INSTALLED HEATSINK BEHIND TRANSISTOR Q415 AS PER KING SERVICE BULLETIN KT76A-6. REPLACED PHOTOCELL V301 DUE TO WEAK REPLYLIGHT. REPLACED CRACKED FACEPLATE. ADJUSTED FREQUENCY. CLEANED CONTACTS ON WAFER SWITCHES. BENCH CHECK GOOD.