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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HNAA0800159Potentiometer · misriggedAUTOFEATHER DID NOT ARM DURING TAKEOFF ROLL.SDR HNAA0800158Tscu · faultedAUTO FEATHER WOULD NOT ARM DURING TAKEOFF ROLL.SDR HNAA0800148Relay · faultyAUTO FX WILL NOT ARM ON TAKEOFF ROLL STATIC TEST.SDR HNAA0800145Autofeather Sys · malfunctionedAUTOFEATHER FAILED TO ARM ON TAKEOFF ROLL. CYCLED ARM SWITCH OPS NORMAL AT THIS TIME. COULD NOT DETERMINE FROM THE INFORMATION AVAILABLE IF THIS WAS AN ABORTED TAKEOFF.SDR QXEA200800429Relay · malfunctionedEUG - FLIGHT 2040 - ON TAKEOFF APPROACHING 70 KNOTS, THE AUTOFEATHER ARM LIGHT DID NOT ILLUMINATE. ABORTED THE TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE AUTOFEATHER CONTROL RELAY 6121-K5. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVISDR QXEA200800386Autofeather Sys · malfunctionedSEA- FLIGHT 2250. DURING THE PILOT DAILY CHECK OF THE AUTOFEATHER SYSTEM, THE NR 2 SYSTEM TEST FAILED. MAINTENANCE FOUND CODE 402A AND CLEARED CODES IAW 61-20-00-710-804. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.SDR QXEA200800387Pcu · failedSEA - FLIGHT 2357. ON TAKEOFF, THE AUTOFEATHER SYSTEM DID NOT ARM. ABORTED TAKEOFF AT 91 KNOTS AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE NR 2 PECU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QXEA20080355Autofeather Sys · malfunctionedLAX- FLIGHT 2448 - DURING TAKEOFF ROLL, AUTO-FEATHER SYSTEM FAILED TO ARM. ABORTED TAKEOFF AT 80 KNOTS AND RETURNED TO THE GATE. MAINTENANCE FOUND FAULT CODES 402B AND 494 A/B. PERFORMED PEC FAULT CODE CLEARING PROCEDURE. OPERATIONAL CHECKS GOOD. AIRCRAFTSDR QXEA20080354Connector · looseBOI- FLIGHT 2385 - ON TAKEOFF, AUTO-FEATHER SYSTEM FAILED TO ARM. ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE TIGHTENED THE CONNECTOR TO THE CONFIG MODULE 9811-J5003. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.SDR QXEA20080341Autofeather Sys · malfunctionedYYJ - FLIGHT 2079 - ON TAKEOFF, AUTOFEATHER SYSTEM FAILED TO ARM. ABORTED TAKEOFF AT 80 KNOTS AND RETURNED TO THE GATE. MAINTENANCE FOUND FAULT CODE 941 IN THE SYSTEM AND CLEARED THE CODE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPSDR QXEA200800340Autofeather Sys · malfunctionedSEA- FLIGHT 2289 (SEA-EUG) - ABORTED TAKEOFF AT 85 TO 90 KNOTS AND RETURNED TO THE GATE FOR AUTOFEATHER SYSTEM NOT ARMING. MAINTENANCE FOUND FAULT CODE 494 AND PERFORMED FIM TASK 61-20-10-810-826. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.SDR QXEA200800061Autofeather Sys · malfunctionedBLI- FLIGHT 2489 - AUTOFEATHER FAILS TO ILLUMINATE WITH THE BUTTON PUSHED IN. THE FLIGHT CREW RESELECTED THE TEST IN ACCORDANCE WITH THE INSTRUCTIONS FROM MAINTENANCE CONTROL. TESTED OK. NO FURTHER DEFECTS NOTED.SDR HNAA0800052Switch · failedAS THE POWER LEVERS WERE BEING ADVANCED TO START THE TAKEOFF ROLL, THE AUTOFEATHER SYSTEM DID NOT ACTIVATE AND THE NR 2 ENGINE TORQUE INDICATION WENT TO 105% FOR AT 3 SECONDS. MAINTENANCE PERFORMED THE BETA LOCKOUT GROUND LOGIC OPS CHECK WORKCARD. MICRO SWITSDR HNAA0700297Autofeather Sys · malfunctionedAUTO FX DID NOT ARM ON TAKEOFF ROLL, REJECTED TAKEOFF. C/W AUTO FEATHER OPS CK IAW RUN UP MANUAL, OPS NORMAL. CLEANED AND INSPECTED SWITCHES 6121-57, 59, 513, 56, 512, 58, NO DEFECTS NOTED.SDR CA080206007Propeller · malfunctioned(CAN) DURING APPROACH, CREW REPORTED TORQUE AND PROP SPEED REDUCTION. THE PROPELLER FEATHERED AND AC LANDED. TROUBLESHOOTING IS FOCUSING ON AUTOFEATHER UNIT. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. INSTALLATION ISSDR MASA200700885Tscu · malfunctionedASH FLT 2849 PHX - AUTO FEATHER ON LIGHT ILLUMINATED IN FLIGHT NR 2 NOT FEATHERING. CHANGED NR 2 TSCU.SDR MASA200700761Tscu · malfunctionedASH FLT 2839 PHX-FLG - AUTO-FEATHER SYSTEM WON'T DISARM IN FLIGHT. REMOVED AND REPLACED NR 1 TSCU AND RELAY K-5.SDR QXEA200701631Tscu · failedPDX - ON FLIGHT 2048, NR 2 PROPELLER FAILED AUTOFEATHER TEST. FEATHER LIGHT DID NOT ILLUMINATE. MAINTENANCE REMOVED AND REPLACED AUTOFEATHER CONTROL RELAYS 6121-K6, 6121-K8. COMPLIED WITH AUTOFEATHER TEST BUT FEATHER STILL FAILED TO ILLUMINATE. REPLACED NRSDR NSVA20070241Pcu · unknownABORTED TAKEOFF 45KTS, LT ENGINE POSSIBLE AUTOCOARSEN. REMOVED AND REPLACED LT PCU IAW CWC 61-20-06S. PERFORM OPERATIONAL TEST OF PCU IAW SAAB AMM 71-00-00-05-1, OPS CHECK AND LEAK CHECK GOOD.SDR QXEA200701489Autofeather Sys · malfunctionedSEA - ON FLIGHT 2484, RETURNED TO GATE. AUTOFEATHER SELECT DID NOT ILLUMINATE ON ED. SWITCH LIGHT SELECT ILLUMINATED. MAINTENANCE INTERROGATED CDS FOR AUTOFEATHER FAULTS AND FOUND 494A AND 494B ON BOTH NR 1 AND 2 PEC'S. CLEARED FAULTS BY COMPLYING WITH OPESDR NSVA20070232Switch · looseDURING TAKEOFF ROLL AUTO FEATHER INITIALLY ARMED WITH SETTING OF TAKEOFF POWER. AT 55 KIAS AUTOFEATHER DISABLE LIGHT ILLUMINATED AND TAKEOFF WAS ABORTED. FOUND LT POWER LEVER AFX SWITCH LOOSE. TIGHTENED SWITCH AND OP CHECKED IAW AMM 61-21-00, OPS CHK GOOD.SDR CA071016009Autofeather Sys · faulty(CAN) DURING CLIMB THE PROPELLER FEATHERED UNCOMMANDED AND RECOVERED. SUBSEQUENT INSPECTION REVEALED A FAULTY AUTOFEATHER UNIT.SDR QXEA200701334Autofeather Sys · malfunctionedSEA FLIGHT NR 2055 - AUTOFEATHER TEST ON NR 2 CAUSES NR 1 TO FEATHER IMMEDIATELY. MAINTENANCE COULD NOT DUPLICATE. NO PARTS REPLACED AIRCRAFT RETURNED TO SERVICE,SDR NSVA20070213Unknown · malfunctionedAUTOFEATHER SYSTEM WILL NOT ARM. FOUND CIRCUIT BREAKER POPPED, CLEANED SOLENOID AND LUBRICATED. RAN A/C IAW BEECH MM 61-21-00. OPS CHECK GOOD, NO FAULTS NOTED.
SDR HNAA0700167Tscu · inoperativeAUTOFEATHER ARM LIGHT REMAIN ILLUMINATED AFTER AUTOFEATHER SWITCH SELECTED OFF. DIVERTED TO MDT. REMOVED AND REPLACED TSCU AND REMOTE C/B 2431-CB4. OPS CHECKS GOOD.SDR QXEA200701236Autofeather Sys · faultedRNO FLIGHT NR 2256: AUTOFEATHER DID NOT ARM. TAKEOFF ABORTED AT 70 KTS. AIRCRAFT RETURNED TO GATE. MAINTENANCE INTERROGATED CDS AND FOUND FAULT CODE 494 ON BOTH ENGINES. C/W AMM TASK 61-20-00-710-805. OPS CHECK OF AUTO FEATHER SYSTEM PASSED TEST. MESSAGESDR CA070803002Tscu · inoperative(CAN) AUTOFEATHER DID NOT ARM DURING THE TAKEOFF ROLL. TAKEOFF WAS ABORTED AND AN AUTOFEATHER TEST PERFORMED ON THE TAXIWAY WHICH ALSO DID NOT ARM THE AUTOFEATHER. RETURNED TO BLOCK WHERE MAINTENANCE PERFORMED TROUBLESHOOTING AND REPLACED THE RT TSCU. (TC NRSDR NSVA20070197Autofeather Sys · malfunctionedRT ENGINE WILL NOT AUTOFEATHER. RESET CB9 AND OPS CHECK NORMAL IAW BMM 61-21-00.SDR NSVA20070183Ovrspeed Limiter · malfunctionedON TAKEOFF, LT PROP FEATHERED. REMOVED AND REPLACED OVERSPEED GOVERNOR, AND REMOVED AND REPLACED PROP GOVERNOR ON LT SIDE REF 61-20-02, PN:8210-410 SN: 11536603.SDR NSVA20070179Computer · faultedON APPROACH AUTOCOARSEN LOW LIGHT WOULD NOT ILLUMINATE LANDING. REMOVED AND REPLACED AUTOCOARSEN SWITCH IAW AMM 61-22-15-02 PN ON AND OFF 8581 SN OFF 238 SN ON 251. OPS CHECK OK IAW AMM 61-22-00.SDR CA070802009Tscu · malfunctioned(CAN) AUTOFEATHER ARM LIGHT FAILED TO ILLUMINATE DURING TAKEOFF ROLL (AUTO FEATHER SYSTEM INOP). REPLACED THE NR 2 TSCU IAW P/W MM 72-01-10, PAGE 420-424, PARAGRAPH 7. GROUND RUNS COMPLIED WITH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (TC NR 20SDR KPVA20076Tscu · malfunctioned(PIREP) WITH CONDITION LEVERS MAX WHEN TAXIING ON TO RUNWAY FOR TAKEOFF, NR 2 PROP EXPERIENCED AN UNCOMMANDED FEATHER. POWER LEVERS SLIGHTLY ABOVE IDLE, NR 2 TQ INCREASED TO 60 PERCENT, NR 2 PROP DOWN TO APPROX 300. (MX) REMOVED AND REPLACED NR 2 ENGINE TORQSDR QXEA200700939Switch · failedPDX FLIGHT NR 2170 AUTO FEATHER SYSTEM WILL NOT TEST, FOUND 6121-S9 BAD. REPLACED SWITCH IAW DASH 8-200 WDW 61-21-01, SHEET 2 OF 6. PERFORMED AUTO FEATHER SYSTEM AND POWER UPTRIM TEST IAW DASH 8-200 ENGINE RIGGING MANUAL PARAGRAPH 6-8. TESTS GOOD. AIRCRAFTSDR QXEA200700905Autofeather Sys · faultedPDX FLIGHT NR 2296: ON TAXI, 'AUTO FEATHER SELECT' DID NOT APPEAR ON ED. MAINTENANCE INTERROGATED CDS, FOUND FAULT CODE 64A FOR AUTO FEATHER SELECT BUTTON. C/W AUTO FEATHER SELECT. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR CA070803003Autofeather Sys · defective(CAN) THE ENGINE WAS REPORTED TO HAVE EXPERIENCED AN INFLIGHT SHUTDOWN. AUTOFEATHER CONTROL UNIT WAS SUBSEQUENTLY REPLACED. (TC NR 20070803003)SDR CA070516003Solenoid · stuck(CAN) PILOT INITIATED START FOLLOWING TURNAROUND AND NOTICED PROP RPM FOLLOWING START WAS ONLY AT 500 RPM AND NOT AT THE NORMAL, ABOVE 1000 RPM AT ENGINE IDLE. ALSO HAD EIS FLASHING AMBER AND RED ON EIS AS PROP WAS OPERATING BELOW 950 RPM. PROP WAS NOT COMING SDR QXEA200700776Relay · malfunctionedSEA FLIGHT NR 2019 ON TAKEOFF, AUTOFEATHER FAILED TO ARM. REPLACED NR 1 POWER LEVER LIMIT SWITCH 6121-S7, ADJUSTED SWITCH. REPLACED RELAY 6121-K15. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR NSVA20070124Pressure Switch · malfunctionedAUTO COARSEN WARNING LIGHT ILLUMINATED DURING TAKEOFF ROLL. REMOVED AND REPLACED RT PRESSURE SWITCH P3 P/N ON AND OFF 1103P0620 S/N ON 1595 IAW MM 61-22-10-02. REMOVED AND REPLACED LT P3 SWITCH IAW AMM 61-22-10-02. OPS CHECK GOOD, PN ON/OFF 1103P0620, SN OFSDR CA070514054Autofeather Sys · malfunctioned(CAN) DURING WATER SCOOPING, THE ENGINE PROPELLER AUTO-FEATHERED. THE ENGINE TORQUE SENSOR AND ELECTRICAL HARNESS WERE SUBSEQUENTLY REMOVED FOR INVESTIGATION. MFG WILL ADVISE OF ROOT CAUSE ONCE DETERMINED. (TC NR 20070514054)SDR NSVA20070103Propeller · malfunctionedLEFT PROPELLER WILL NOT UNFEATHER. SERVICED PGB IAW SAAB 12-10-79.SDR QXEA200700629Autofeather Sys · malfunctionedLAX FLIGHT NR 2307: AUTO FEATHER WILL NOT SELECT. AIRCRAFT RETURNED TO GATE. MAINTENANCE INTERROGATED CDS AND FOUND NR 1 AND NR 2 PROPELLER FAULTS 64. C/W Q400 FIM TASK 61-20-02-810-804. CLEARED FAULTS. GROUND RAN ENGINES AT DISC, AUTO FEATHER SELECTED NOSDR NSVA20070090Connector · dirtyAUTO COARSEN LOW LIGHT FLICKERING ON AND OFF. CLEANED AND RECONNECTED CONNECTORS ON AUTO COARSEN COMPUTER, OPS CHECK GOOD IAW AMM 61-22-0-05-2.SDR QXEA200700521Switch · failedSEA - ON FLIGHT 2085, AUTO FEATHER SELECT LIGHT INDICATION FAILS TO ILLUMINATE UPON BEING DEPRESSED. MAINTENANCE REMOVED AND REPLACED THE AUTO FEATHER SWITCH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR NSVA20070086Switch · malfunctionedAUTO COARSENING LOW LIGHT ILLUMINATES INTERMITTENTLY. DURING OPS CHECK OF AUTO COARSEN SYSTEM IAW AMM 61-22-00-05-2 FOUND FAULTY AUTO COARSEN SWITCH. SWITCH IS AOG WRITE UP REMAINS OPEN. REMOVED AND REPLACED AUTOCOARSEN SWITCH ON OVERHEAD PANEL IAW AMM 20-1SDR QXEA200700446Tscu · malfunctionedEUG FLIGHT NR 2218, FAILURE ON AUTOFEATHER ARM LIGHT TO ILLUMINATE. MAINTENANCE REPLACED NR 1 AND NR 2 TACU. AUTOFEATHER ARM LIGHT ILLUMINATED AND AUTOFEATHER OPERATES NORMAL. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200700403Autofeather Sys · no testSEA FLIGHT NR 2203, NR 1 WOULD NOT AUTOFEATHER DURING AUTOFEATHER TEST. MAINTENANCE COMPLIED WITH AUTOFEATHER SYSTEM AND POWER UPTRIM TEST. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200700396Autofeather Sys · no testSEA FLIGHT NR 2203, NR 1 WOULD NOT AUTOFEATHER DURING AUTOFEATHER TEST. MAINTENANCE COMPLIED WITH AUTOFEATHER SYSTEM AND POWER UPTRIM TEST NUMEROUS TIMES. OPERATION CHECK GOOD EACH TIME. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR CA070514015Autofeather Sys · unserviceable(CAN) ON APPROACH, THE ENGINE EXPERIENCED UNCOMMANDED TORQUE REDUCTIONS ACCOMPANIED BY FEATHERING OF THE PROPELLER. THE ENGINE WAS SHUTDOWN IN FLIGHT. THE ENGINE AUTO-FEATHER UNIT WAS SUBSEQUENTLY REPLACED. (TC NR 20070514015)SDR QXEA200700319Control Unit · malfunctionedPDX FLIGHT NR 2092 - AUTO FEATHER FAILED TO ARM DURING DAILY TEST. MAINTENANCE REPLACED A/F SELECT SWITCH NO HELP. REPLACED NR 1 AND NR 2 TSCU'S BOTH REPLACED IAW P&W 123 MM 72-01-10 PAGE 240-424, PARAGRAPH 7A AND B. ALL CHECK ARE GOOD. PERFORMED THE AUTOSDR NSVA20070048Computer · malfunctionedDURING TAKEOFF ROLL AUTOCOARSEN ILLUMINATED 40 KNOTS, PERFORMED REJECTED TAKEOFF, NO BRAKING REQUIRED. REMOVED AND REPLACED AUTOCOARSEN COMPUTER IAW SAAM 61-22-00 P/N ON 9302979-04 P/N OFF9302979-001 SN ON 174, SN OFF 085.
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