JASC 7714

Service difficulty reports · 1,357

Reports filed under 7714 · Engine RPM Indicating System, 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 = '7714'
  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 COMA0010334Stator · failedLEFT ENGINE N2 INDICATION FAILED. REPLACED THE ALTERNATOR STATOR ASSY.Sep 11, 2000 · N819CA · Emb EMB120RTSDR AU000807Tachometer · worn(AUS) TACHOMETER FAILED. ITEM HAD BEEN LAST OVERHAULED IN 1972. (X)Sep 5, 2000 · Cessna 172SDR 20001026SH026Indicator · inoperativeTRIPLE TACH INDICATOR UNIT INOPERATIVE. N2 SPLIT OF 2 PERCENT INDICATED IN ERROR. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Aug 19, 2000 · N117SU · Bolkms BK117C1SDR SWIA971933Probe · failedNH INDICATIONS VARY WITH EEC OFF FROM 48 - 85 PECENT IN CRUISE. RETURNED TO SFO. REPLACED BOTH NH GAUGE AND NH PROBE ON RIGHT ENGINE. OPS CHECKS GOOD ON ENGINE RUN. NH GAUGE P/N ON: SEDL0C29M, S/N ON: 1321, S/N OFF: 156.Aug 14, 2000 · N271YV · Emb EMB120ERSDR PNSA0802Indicator · malfunctionedPROPELLER RPM WAS LOW ON TAKEOFF. TAKEOFF WAS ABORTED. PROBLEM COULD NOT BE DUPLICATED. (X)Aug 12, 2000 · N28KE · Piper PA31350SDR UPS00433554Indicator · malfunctionedINSPECTION TYPE:N/A, AIR TURNBACK - ALL FOUR ENG N1 INDICATORS NOT EFFECTIVE FOR AIRCRAFT. REMOVED AND REPLACED INDICATORS. TPCR FILED FOR PROPER EFFECTIVITY REFERENCE LOG PAGES 418722, 418723, AND 418724.Aug 10, 2000 · N524UP · Boeing 747200BSDR 20001026SH027Indicator · inoperativeTRIPLE TACH INDICATOR UNIT INOPERATIVE. NR 1 POINTER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Aug 7, 2000 · N117SU · Bolkms BK117C1SDR SIMA2192Warning System · false activationDFW - FLT 3683 - DURING TAKEOFF ROLL, CREW NOTED ENG 2 LOW N1 DISPLAY ON EICAS. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE RE-ENTERED TAKEOFF DATA AND COMPLIED WITH GROUND ENGINE RUNS. COULD NOT DUPLICATE DISCREPANCY. AIRCRAFT WAS RETURND TO SEAug 6, 2000 · N711PH · Emb EMB145LRSDR CA000830037Cable · failed(CAN) WHILE CARRYING OUT ENGINE RUN-UP TO DETECT SOURCE OF TRANSMISSION OIL LEAK, A FLUCTUATION OF ROTOR RPM WAS NOTICED FOLLOWED BY A TOTAL LOSS OF ROTOR RPM. IT WAS LATER DISCOVERED THAT THE TACH GEN CABLE HAD FRACTURED CAUSING THIS LOSS OF INDICATION OF ROTAug 5, 2000 · Bell 412SDR SIMA2161Warning System · false activationGSP - FLT 3756 - DURING TAKEOFF ROLL, CREW NOTED N1 LOW SPEED CAUTION. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE HAD CREW RUN ENGINES, FOUND ALL PARAMETERS WITHIN LIMITS. AIRCRAFT RETURNED TO SERVICE. (M)Aug 3, 2000 · N648AE · Emb EMB145LRSDR SIMA2164Connector · dirtyMSN - FLT 4117 - NR 1 ENGINE N1 LOW INDICATIONS ON TAKEOFF. CLEANED AND TIGHTENED N1 ENGINE CANNON PLUG. OPS CHECK GOOD. (M)Aug 3, 2000 · N721AE · Emb EMB145LRSDR RAAA00E8035Tach Generator · inoperativeNR 4 ENG RPM INDICATOR INOP IN FLIGHT. RETURNED TO ANC. REPLACED NR 4 ENG TACH GEN PER LKHEED O/H MANUAL SECTION 4 STEP 12, OPS CHECK GOOD.Jul 29, 2000 · N178RV · Lkheed 188CSDR CA000824015Control Unit · intermittent(CAN) A RECURRING DEFECT WAS ATTRIBUTED TO THE FOLLOWING REPAIRED TACH BOXES; FAILURE / INTERMITTENT OUTPUT SIGNAL TO BLEED VALVE, CAUSING AN INTERMITTENT WARNING INDICATION IN THE COCKPIT.Jul 27, 2000 · Snias AS350BASDR CA000804019Tachometer · failed(CAN) PILOT REPORTED RIGHT TACHOMETER NEEDLE ERRATIC. TACHOMETER REPLACED WITH SERVICEABLE UNIT. GROUND RUN CARRIED OUT SATISFACTORILY. (X)Jul 25, 2000 · Piper PA31350SDR SIMA2054Warning Light · false activationMAF - FLT 3908 - THE CREW REPORTED AN E1 LOW N1 ON TAKEOFF. PERFORMED RUN-UPS AND INSPECTED THE COMPRESSOR AND FOUND NO DEFECTS. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)Jul 23, 2000 · N713AE · Emb EMB135ERSDR SIMA2022Connector · looseDURING TAKEOFF, CREW EXPERIENCED INTERMITTENT LOW N1 ON EICAS. TAKEOFF WAS ABORTED. MAINTENANCE TIGHTENED CANNON PUG ON THE NR 1 ENGINE FAN SPEED SENSOR. OPERATIONAL CHECK ON GROUND WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)Jul 20, 2000 · N709GB · Emb EMB135ERSDR SWIA971889Probe · failedRIGHT EEC FAILED WHEN APPLYING TAKEOFF POWER. ABORTED TAKEOFF. REMOVED AND REPLACED NH PICKUP PROBE WITH SERVICEABLE UNIT IAW MM 77-12-00, OPS CHECKS GOOD. P/N ON: 3039242, S/N ON: CH17129, S/N OFF: CH13519.Jul 20, 2000 · N209SW · Emb EMB120ERSDR SWIA971888Connector · dirtyLEFT NH INTERMITTENT 50 - 93 PERCENT WITH NO FLUCTUATION IN NL OR NP. RETURNED TO SEA. REMOVED AND REPLACED LEFT NH/NL INDICATOR IAW MM 77-00-00 AND CLEANED CANNON PLUG AT NL SENSOR. ENGINE RUN UP AND OPS CHECKS GOOD. P/N ON: SEDL-0C29M, S/N: 197, S/N OFJul 19, 2000 · N295SW · Emb EMB120ERSDR UPS00833375Indicator · damagedINSPECTION TYPE:N/A, PASSING 13,000 FT A SWEET CHEMICAL SMELL OR ODOR WAS NOTICED. TURNED A/C PACKS OFF ONE AT A TIME AND WHEN LEFT PACK WAS OFF ODOR DECREASED. AFTER LEVEL OFF ODOR GOT WORSE. DECIDED TO DIVERT TO MCO AND RAN FUMES EVACUATION CHECKLIST. AFJul 17, 2000 · N810UP · Doug DC873FSDR 20001018AP005Tach Generator · bindingRIGHT PROP RPM FLUCTUATING. FOUND PROBLEMS TO BE A DEFECTIVE TACH GENERATOR. UNIT REPLACED AND A/C RETURNED TO SERVICE. (M)Jul 2, 2000 · N32290 · Beech 1900DSDR HCMA075294Indicator · defectivePART IS 100 RPM LOW UPON RECEIPT FROM AEC. RMA# R026332Jun 29, 2000 · Snias AS350BSDR SIMA1772Sensor · failedORD - FLT 4123 - ENGINE NR 1 LOW N1 ON TAKEOFF, WARNING MESSAGE ON EICAS. ABORTED TAKEOFF. MAINTENANCE FOUND THE ENGINE FAN SPEED SENSOR INOPERATIVE. BOTH ENGINE SENSORS REMOVED AND REPLACED. OPERATIONAL CHECK SATISFACTORY AND AIRCRAFT RETURNED TO SERVICE.Jun 25, 2000 · N624AE · Emb EMB145LRSDR 20000821SH012Sensor · inoperativeORD - FLT 4123 - ENGINE NR 1 LOW N1 ON TAKEOFF, WARNING MESSAGE ON EICAS. ABORTED TAKEOFF. MAINTENANCE FOUND THE ENGINE FAN SPEED SENSOR INOPERATIVE. BOTH ENGINE SENSORS REMOVED AND REPLACED. OPERATIONAL CHECK SATISFACTORY AND AIRCRAFT RETURNED TO SERVICE.Jun 25, 2000 · N624AE · Emb EMB145LRSDR 2000UALA00216Indicator · malfunctionedNR 1 ENGINE LOST 9 - 10 PERCENT OF THRUST FROM TARGET CLIMB N1. *S/D* REPLACED THE NR 1 N1 INDICATOR.Apr 27, 2000 · N327UA · Boeing 737322SDR 00FDEA00296Indicator · malfunctionedON T/O ROLL, NR 1 ENGINE N2 GAUGE APPEAR TO STICK ABOUT 80 PERCENT ON SUB ENGINE RUN-UP. REMOVED AND REPLACED NR 1 ENGINE N2 IND PER A MM 77-12-21-4. OK TO CONTINUE.Apr 25, 2000 · N657FE · Airbus A300F4605RSDR SWAA000760Indicator · inoperativeABORTED TAKEOFF, NR 2 ENG N1 INDICATOR INOP DURING TAKEOFF AT 25 KNTS. REMOVED AND REPLACED NR 2 ENG N1 INDICATOR PER MM.Apr 22, 2000 · N673AA · Boeing 7373A4SDR AU000303Harness · faulty(AUS) NR 1 ENGINE N1 HARNESS FAULTY.Apr 14, 2000 · Snias AS332LSDR SWIA971759Indicator · malfunctionedNUMBER ONE NH GAUGE WAS FLUCTUATING FROM 50 PERCENT TO 98 PERCENT WITH NO ENGINE SURGE, ANALOG AND DIGITAL. RETURNED TO SLC. REMOVED AND REPLACED NUMBER ONE NH GAUGE, OPS CHECKS GOOD. (P/N SEDLOL29M) (S/N 1752) ON, (S/N 126) OFF.Apr 7, 2000 · N198SW · Emb EMB120ERSDR AU000135Control Box · failed(AUS) ENGINE TACHOMETRIC BOX FAILED. SUSPECT CAUSED BY INTERNAL COMPONENT FAILURE.Apr 4, 2000 · Snias AS350BSDR CA000404016Shaft · sheared(CAN) NR TACHOMETER INDICATOR NOT FUNCTIONING. TACHOMETER REMOVED TO FIND THAT THE SHAFT WAS SHEARED. SERVICEABLE TACHOMETER INSTALLED.Apr 4, 2000 · Bolkms BO105SSDR 20000919SH014Pickup · erraticNGP SPEED ERRATIC. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Mar 29, 2000 · N911VU · Bolkms BK117B1SDR LS1R066574Tach Generator · inoperativeTACHOMETER/GENERATOR IS INOPERATIVE. NO SIGNAL FROM LEA WINDING.Mar 20, 2000 · N5027P · Hughes 369DSDR LS1R066561Gauge · stuckGAUGE IS STICKING.Mar 7, 2000 · N5211R · Hughes 369DSDR LS1R066559Gauge · inaccurateGAUGE IS INACCURATE.Mar 7, 2000 · N500DC · Hughes 369DSDR 20000413SH013Indicator · failedNR 2 NEEDLE WENT TO ZERO IN-FLIGHT. REMOVED AND REPLACED. (X)Mar 1, 2000 · N117NG · Bolkms BK117A4SDR RAIA0002018Tach Gen · failedFLT 7366-STL, RIGHT ENGINE RPM WENT TO ZERO DURING TAKEOFF ROLL. MAINTENANCE REPLACED RIGHT ENGINE TACH GENERATOR.Feb 27, 2000 · N337TE · Bag JETSTM3201SDR LS1R065963Indicator · stickingDUAL TACHOMETER INDICATOR HAD STICKING NEEDLES.Feb 15, 2000 · N206BX · Bell 206B3SDR 2000ZZZX578Indicator · malfunctionedNG INDICATOR MALFUNCTIONED. REPLACED WITH NEW INDICATOR FROM BELL HELICOPTER.Feb 9, 2000 · N407WH · Bell 407SDR 20000918SH005Pickup · erraticNGP ERRATIC. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Feb 6, 2000 · N117BK · Bolkms BK117B1SDR AGQA065678Indicator · inoperativeDUAL TACHOMETER INDICATOR IS INOPERABLE, TURBINE SIDE LOW, INSTALLED AND GROUND RUN.Jan 28, 2000 · N90322 · Bell 206B3SDR 20000918SH031Pickup · inoperativeUNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 27, 2000 · N911VU · Bolkms BK117B1SDR 20000605SH024Tachometer · intermittentTACHOMETER INDICATOR INOPERATIVE. NR NEEDLE DROPS OFF TO 250 RPM INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 27, 2000 · N94LG · Snias AS350B2SDR HEED065837Tachometer · failedN1 GAUGE DIGITAL LIGHTS CANNOT BE READ WHEN NON- FLIGHT INST. LIGHT SWITCH IS ON. REPLACED UNIT.Jan 24, 2000 · N478X · Skrsky S76CSDR HEED065836Tachometer · failedTURN ON ANALOG LIGHTS, DIGITAL GOES OFF. REPLACED UNIT.Jan 24, 2000 · N478X · Skrsky S76CSDR AGQA065672Indicator · stickingTACHOMETER IS STICKING.Jan 24, 2000 · N5027P · Hughes 369DSDR 2000ZZZX758Indicator · intermittentNR 2 NEEDLE INTERMITTENTLY STICKS AT 35 PERCENT N1. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 20, 2000 · N135SJ · Urocop EC135P1SDR 2000ZZZX748Indicator · reads highROTOR NEEDLE WILL NOT ALIGN WITH ENGINE NEEDLES. INDICATES APPROXIMATELY 2 PERCENT HIGH. MOISTURE NOTICED ON INDICATOR LENS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 20, 2000 · N485EC · Bolkms BO105SSDR 20000918SH028Pickup · inoperativeUNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 19, 2000 · N7059N · Bolkms BK117B2SDR 20000413SH042Indicator · inaccurateTRIPLE TACHOMETER, NR 2 NEEDLE READS IMPROPER. REMOVED AND REPLACED. (X)Jan 15, 2000 · N171MU · Bolkms BK117A4SDR 20000413SH040Indicator · fluctuatesINDICATOR FLUCTUATES UNDER POWER. REMOVED AND REPLACED. (X)Jan 13, 2000 · N527MB · Bolkms BK117A3
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