JASC 6123

Service difficulty reports · 919

Reports filed under 6123 · Propeller Feathering/Reversing, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '6123'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2000ZZZX488Counterweight · crackedCOUNTERWEIGHT CRACKED ON LOCATING RIDGE OF PROPELLER.Feb 4, 2000SDR UF6A000109Eec · malfunctionedORD - FLT 5729 - NR 1 ENGINE AUTOFEATHER DOES NOT ARM ON TAKEOFF ROLL. MAINTENANCE CLEARED NR 1 ENGINE EEC AND PERFORMED AUTOFEATHER TEST SYSTEM OPS CHECKED GOOD. (M)Jan 28, 2000 · N856AW · Bag ATPSDR C2XA99IA573Switch · out of rigIAH - FLT 3695 - THE CREW ABORTED TAKEOFF DUE TO THE AUTO FEATHER SYSTEM NOT ARMING. MAINTENANCE ADJUSTED THE AFFECTED PEDESTAL MICROSWITCH IAW BEECHCRAFT 1900D MM 61-21-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)Nov 3, 1999 · N17534 · Beech 1900DSDR AU991052Control Unit · faulty(AUS) RIGHT ENGINE AUTOFEATHER UNIT FAILED.Oct 27, 1999 · Fokker F27MK50SDR CA991116005Tscu · failed(CAN) AFTER TAKEOFF, THE CREW SELECTED THE AUTOFEATHER SYSTEM OFF AND THE ARMED LIGHT STAYED ON. MAINTENANCE REPLACED THE TORQUE SIGNAL CONDITIONING UNIT (TSCU). GROUND RUNS CARRIED OUT OK, AIRCRAFT RELEASED TO SERVICE.Oct 17, 1999 · Dhav DHC8101SDR CA991027011Switch · failed(CAN) DURING LINE CHECK, IT WAS DISCOVERED THAT NR 2 AUTOFEATHER SYSTEM MICROSWITCH WOULD NOT TEST. SWITCH REPLACED, SYSTEM SERVICED.Oct 7, 1999 · Dhav DHC8311SDR C2XA99CL112Warning Light · illuminatedFLT 3213 - PILOT REPORTED, THE AUTOFEATHER OFF AMBER CAUTION ANNUNCIATOR ILLUMINATED ON TAKEOFF ROLL. THE AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL 61-3/3 PLACARD NUMBER 116062. THEOct 1, 1999 · N17541 · Beech 1900DSDR 99ZZZX4084Pump · failedDURING PRODUCTION FLIGHT TESTING, THE LEFT ENGINE WAS SHUT DOWN SEVERAL TIMES IN-FLIGHT. ON THE 6TH TIME, THE PROPELLER WOULD NOT UNFEATHER ALLOWING AN ENGINE RESTART. PILOT HAD TO MAKE SINGLE ENGINE LANDING. UNFEATHER PUMP WAS REPLACED AND SYSTEM OPERATED Sep 23, 1999 · N425DF · Marsh S2F3SSDR QXEA9901856Switch · out of adjustPSC - AUTO FEATHER DID NOT ARM. CLEANED AND INSPECTED CONTROL QUADRANT SWITCHES. ADJUSTED NR 1 AND NR 2 AUTO FEATHER ARMING POTENTIOMETER. GROUND RUN OK. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.Sep 4, 1999 · N361PH · Dhav DHC8202SDR QXEA9901855Switch · dirtyPDX - NO AUTO FEATHER ARM LIGHT ON TAKEOFF ROLL. INSPECTED AND CLEANED POWER LEVEL SWITCHES G121-S6 AND S7. COMPLIED WITH FUNCTIONAL TEST OF POWER LEVEL SWITCHES AND AUTO FEATHER SYSTEM. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.Sep 3, 1999 · N361PH · Dhav DHC8202SDR C2XZ99CL072Pc Board · failedCLE - FLT 3056 - THE CREW REPORTED THE 'AFX DISABLE' LIGHT REMAINED ILLUMINATED UP TO 15,000 FEET. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE PC BOARD, AND PERFORMED OPERATIONAL CHECKS OF THE AUTOFEATHERAug 8, 1999 · N49543 · Beech 1900DSDR C2XA99CL069Pc Board · failedIAD - FLT 3015 - THE CREW REPORTED THAT ON TAKEOFF ROLL, THE 'AFX DISABLE' ANNUNCIATOR ILLUMINATED AT 90 KIAS, THE AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTEANCE REMOVED AND REPLACED PCBA123 AND PERFORMED OPS CHECKS AND Aug 7, 1999 · N49543 · Beech 1900DSDR C2XA99CL068Switch · dirtyCAK - FLT 3008 - THE CREW REPORTED THAT ON TAKEOFF ROLL, THE 'AFX DISABLE' ANNUNCIATOR ILLUMINATED AND THE LEFT AUTOFEATHER SYSTEM UNARMED. THE AIRCRAFT REJECTED TAKEOFF AND RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE CLEANED PRESSURE SWITCHESAug 3, 1999 · N49543 · Beech 1900DSDR HNAA9900094Indication Light · malfunctionedABORTED T/O DUE TO ABSENCE OF A/F ARM LIGHT. TRIMMED ENG, OPS CHECK GOOD.Jul 4, 1999 · N996HA · Dhav DHC8201SDR CA990707062Gear · warped(CAN) ATTEMPT TO FEATHER PROPELLER DUE TO VIBRATION WAS UNSUCCESSFUL, ONE BLADE WOULD NOT FEATHER. ONE BLADE GEAR SEGMENT WAS FOUND DAMAGED AND THE FOUR SCREWS ATTACHING THE BLADE BUSHING, PN 75219, WERE SHEARED. ,Jun 8, 1999 · Cndair CL2151A10SDR MASA99093Switch · failedFLT 110 - DEN-COS - ON APPROACH, THE CAPTAIN REPORTED THE RIGHT PORP APPEARED TO FEATHER BRIEFLY. THE AIRCRAFT WAS FERRIED TO FMN, WHERE MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED THE RIGHT ENGINE LOW PRESSURE AUTOFEATHER SWITCH AND THE LEFT ENGINE HIGHJun 7, 1999 · N146ZV · Beech 1900DSDR 99ZZZM390Switch · failedFLT 110 - DEN-COS - ON APPROACH, THE CAPTAIN REPORTED THE RIGHT PORP APPEARED TO FEATHER BRIEFLY. THE AIRCRAFT WAS FERRIED TO FMN, WHERE MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED THE RIGHT ENGINE LOW PRESSURE AUTOFEATHER SWITCH AND THE LEFT ENGINE HIGHJun 7, 1999 · N146ZV · Beech 1900DSDR AU990513Spring · misinstalled(AUS) FEATHERING SPRING WAS THE INCORRECT LENGTH. THE SPRING FITTED WAS 13.8125 INCH (350.837 MESM) WITH THE CORRECT LENGTH AS SPECIFIED IN THE OVERHAUL MANUAL BEING 12.265 INCH (311.531 MES). INVESTIGATION FOUND THAT THE SPRINGS WERE THE CORRECT P/N C5328 AMay 27, 1999SDR RAIA990441Auto Feather · failedFLT 7011 - STL - NR 1 EEC KEEPS FAULTING. MAINTENANCE REPLACED LEFT AUTO FEATHER UNIT. (M)Apr 26, 1999 · N723TE · Aerosp ATR72202SDR CA990330007Switch · intermittent(CAN) AUTOFEATHER LIGHT CAME ON DURING TAKEOFF WITH SWITCH IN THE OFF POSITION. TAKEOFF ABORTED. CONTAMINATED BY COFFEE/POP.Mar 11, 1999 · Dhav DHC8102SDR C2XA99CL017Switch · out of adjustCLE - FLT 4399 - CREW REPORTED THAT THE AUTO-FEATHER DISABLED AT 700 FEET WITH ENGINES AT FULL POWER AND IT FAILED TO RE-ARM. AIRCRAFT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE ADJUSTED THE AUTOFEATHER POWER SWITCHES IAW B1900 MM 61-21-02, Feb 14, 1999 · N38537 · Beech 1900DSDR RAIA981231Solenoid · failedFLT 7154 - STL - NO ARM LIGHT ON ATPCS. MAINTENANCE REPLACED RIGHT PROP FEATHER SOLENOID. (M)Dec 29, 1998 · N422TE · Aerosp ATR42300SDR SIMA983263Pump · malfunctionedDFW - FLT 3626 - AFTER TAKEOFF, THE NR 1 ENGINE FEATHERING PUMP CIRCUIT BREAKER POPPED. CREW RESET IT AND IT POPPED AGAIN. REMOVED AND REPLACED FEATHERING PUMP. OPERATIONAL CHECK GOOD. (M)Nov 22, 1998 · N355AT · Aerosp ATR72212SDR CA981109036Solenoid · faulty(CAN) DURING INSPECTION, FOUND LEFT HAND PROPELLER WOULD NOT FEATHER. THE ELECTRICAL SOLENOID WAS FOUND AT FAULT.Oct 21, 1998SDR CA980916045Switch · failed(CAN) AFTER TAKEOFF, LEFT AUTOFEATHER LIGHT WOULD NOT ARM. AIRCRAFT RETURNED TO BASE. MAINTENANCE CHANGED THE HIGH PRESSURE SWITCH ON RIGHT ENGINE.Sep 14, 1998 · Beech B99SDR MASA98175Switch · out of adjustFLT 5331 - RDG-PHL - THE LEFT AUTOFEATHER WOULD NOT ARM ON TAKEOFF, AIRCRAFT WAS RETURNED TO GATE. MAINTENANCE ADJUSTED THE PEDESTAL SWITCHES, OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)Sep 12, 1998 · N126YV · Beech 1900DSDR MASA98176Autofeather · malfunctionedFLT 5338 - PSP-PHX - AUTOFEATHER WOULD NOT ARM ON TAKEOFF. AIRCRAFT WAS RETURNED TO GATE. MAINTENANCE TROUBLESHOT AND THE SYSTEM OPERATED NORMALLY. NO DISCREPANCIES WERE FOUND. AIRCRAFT WAS RETURNED TO SERVICE. (M)Sep 11, 1998 · N446YV · Dhav DHC8202SDR CA980928009O-Ring · damaged(CAN) DURING CRUISE, THE NR 1 ENGINE EXPERIENCED AN RPM DROP, THE ENGINE WAS SHUT DOWN. AIRCRAFT RETURNED TO POINT OF DEPARTURE. POST-FLIGHT INSPECTION FOUND A FEATHER RESERVOIR OIL TRANSFER O-RING PINCHED. THE O-RING WAS REPLACED AND THE AIRCRAFT RETURNED Sep 10, 1998 · Cvac 340CVACSDR 98ZZZX3402Line · crackedRT PROPELLER WENT INTO FEATHER ON APPROACH. CRACKED P3 DELIVERY LINE. REPLACED RT P3 DELIVERY LINE.Aug 21, 1998 · N854CA · Beech 1900DSDR SABA9807Propeller · malfunctionedON FLIGHT FROM STT TO STX SPB, THE CREW REPORTED ON LOG PAGE 14446 UNSCHEDULED AUTOFEATHER LEFT SIDE ON TAKEOFF. THE CREW CONTINUED THE FLIGHT PER MEL 61-1-2 WITH NO FURTHER PROBLEM. MAINTENANCE DEFERRED THE SYSTEM PER MEL 61-1-2. (X)Aug 7, 1998 · N224SA · Dhav DHC6300SDR AU980756Switch · damaged(AUS) AUTOFEATHERING SYSTEM WIRING AND SWITCH DAMAGED.Jul 5, 1998 · Dhav DHC8102SDR AU980755Switch · malfunctioned(AUS) AUTOFEATHER SYSTEM WOULD NOT ARM FOR TAKEOFF. POWER WAS SWITCHED OFF AND THEN ON AGAIN AND PROBLEM DID NOT RECUR.Jul 4, 1998 · Dhav DHC8102SDR COMA9810150Switch · dirtyAUTOFEATHER SYSTEM INOPERABLE DURING TAKEOFF. CLEANED THE AUTOFEATHER ARMING SWITCHES IN POWER LEVER QUADRANT.Jul 1, 1998 · N205CA · Emb EMB120RTSDR AU980758Pipe · cracked(AUS) RIGHT ENGINE CSU TO UNFEATHERING SYSTEM PIPE BROKEN AT CSU FITTING.Jun 30, 1998 · Beech 58SDR SABA9804Switch · failedKIA/KTN - ON FLIGHT, CREW REPORTED ON LOG PAGE 16304 'UNSCHEDULED AUTOFEATHER RIGHT SIDE ON TAKEOFF'. THE CREW RETURNED TO DOCK WITH NO FURTHER PROBLEM. REPLACED AUTOFEATHER PRESSURE SWITCH. OPS CHECK OK PER PSM 1-63-2 CHAPTER 61 ON LOG PAGE 16304 DATED 6-2Jun 28, 1998 · N251SA · Dhav DHC6300SDR CA980707004Relay · failed(CAN) AFTER TAKEOFF, AUTOFEATHER DISARMED. RELAY 6121-K5 REPLACED.Jun 4, 1998 · Dhav DHC8102SDR 98ZZZM484Switch · failedRIGHT AUTO FEATHER INOP. RT ENGINE LOW PRESSURE SWITCH FAILURE. REPLACED RT ENGINE LOW PRESSURE SWITCH IAW CHAP 61 BEECH MAINTENANCE MANUAL.May 15, 1998 · N845CA · Beech 1900DSDR CA980602009Switch · failed(CAN) WHEN TAKEOFF POWER APPLIED, THE AUTOFEATHER SYSTEM DID NOT ARM. POWER LEVER SWITCH REPLACED.May 12, 1998 · Dhav DHC8102SDR CA980507011Wire Harness · worn(CAN) PROPELLER WENT INTO FEATHER ON TAKEOFF. CIRCUIT BREAKER PULLED ON BETA SYSTEM PER FLIGHT MANUAL. POST-FLIGHT INSPECTION FOUND WIRE HARNESS RUBBING/CHAFING ON SNOW FENCE ACTUATOR, JUST BELOW THE RT EXHAUST STACK. WIRE HARNESS REPAIRED AND THE AIRCRAFT RApr 26, 1998 · Dhav DHC6300SDR CA980602003Switch · stuck(CAN) AFTER TAKEOFF, UNABLE TO DE-SELECT AUTO FEATHER SWITCH ASSY. REPLACED. PART TC: 33,600.Apr 23, 1998 · Dhav DHC8102SDR SABA980014Switch Assy · internalCLT - FLT 5107 - ON FLIGHT FROM CLT TO AGS, AIRCRAFT ABORTED TAKEOFF DUE TO AUTOFEATHER SYSTEM WOULD NOT ARM. NO EMERGENCY WAS DELCARED. AIRCRAFT RETURNED TO PARKING RAMP. MAINTENANCE FOUND THE AUTOFEATHER SELECT SWITCH BAD. REMOVED AND REPLACED SWITCH, SYFeb 23, 1998 · N880CC · Dhav DHC8102SDR AU980090Pump · failed(AUS) PROPELLER UNFEATHERING PUMP FAILED.Jan 4, 1998 · Jetair JETSTM4101SDR UF6A971209Autofeather Unit · failedORD - FLT 5712 - NR 1 ENGINE WILL NOT AUTOFEATHER ON GROUND. MAINTENANCE REMOVED AND REPLACED NR 1 AFU. SYSTEM OPS CHECKED GOOD. (M)Dec 10, 1997 · N852AW · Bag ATPSDR MASA97201Switch · out of adjustYUM/PHX - FLT 5076 - CREW FOUND THE AUTOFEATHER WOULD NOT ARM DURING FLIGHT. CREW CONTINUED TO PHX WITH NO FURTHER INCIDENTS. PHX MAINTENANCE ADJUSTED THE MICROSWITCHES. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (X)Oct 29, 1997 · N95YV · Beech 1900DSDR 97ZZZX4724Spring · brokenPROPELLER WOULD NOT AUTOFEATHER ON SHUT DOWN. DISASSEMBLY AND INSPECTION REVEALED FEATHER SPRING BROKEN IN 7 PIECES.Oct 15, 1997SDR QXEA9700654Autofeather Sys · failed testLWS- NR 2 AUTO FEATHER SYSTEM FAILED FIRST FLIGHT OF THE DAY TEST. PERFORMED AUXILLARY PRESSURE PUMP AND MOTOR ELECTRICAL CHECK, CHECKS GOOD. PERFORMED AUTOFEATHER TEST, TEST GOOD. AIRCRAFT RETURNED TO SERVICE. NO COMPONENTS REPLACED.Oct 12, 1997 · N831PH · Dhav DHC8102SDR 97ZZZX4369Feather Spring · brokenDURING INSPECTION OF PROPELLER, FEATHER SPRING WAS FOUND BROKEN IN TWO. DEFECTIVE SPRING RETURNED TO HARTZEL PROPELLER, INC.Sep 24, 1997SDR 97ZZZX4172Wiring Harness · failedLEFT PROPELLER AUTOFEATHER WILL NOT TEST. REPLACED LEFT ENGINE FORWARD WIRING HARNESS.Sep 4, 1997 · N855CA · Beech 1900DSDR COMA9710392Solenoid · failedLEFT ENGINE AUTO FEATHER SYSTEM WILL NOT TEST. REPLACED THE ELECTRIC FEATHER SOLENOID.Aug 31, 1997 · N189CA · Emb EMB120RTSDR CA970902030Beta Switch · stuck(CAN) NR2 ENGINE PROP WENT INTO FEATHER DURING CLIMBOUT. RH BETA LIGHT ON IN COCKPIT. BETA SWITCH ON ENGINE WAS STUCK INTERNALLY IN CLOSED POSITION. VISUALLY SWITCH LOOKED OK. BUT LIGHT WOULD NOT EXTINGUISH UNTIL SWITCH WAS DISCONNECTED FROM THE AIRCRAFT WIRINAug 20, 1997 · Dhav DHC6300
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