JASC 7931
Service difficulty reports · 1,875
Reports filed under 7931 · Engine Oil Pressure, 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 = '7931' 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 = '7931' 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 UPS07851335Oil System · low pressureNR 4 ENGINE LOST PRESSURE, SHUT DOWN WITH 20 PSI N1 16 PERCENT, N2 9.4 PERCENT 5 QUARTS INDICATED 6000 FT/200 KTS. REMOVED AND REPLACED LINE SUPPLY OIL TO OIL PRESSURE TRANSMITTER IAW M/M 20-12-00-2. LEAK AND OPS CHECK GOOD IAW M/M 71-00-00.SDR COMA0760738Dcu · faultyLOST LEFT ENGINE OIL PRESSURE INDICATION ON TAKEOFF. ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED NR 1 DCU. NO FURTHER DEFECTS.SDR TRAX200701937Warning System · intermittentON DEPARTURE OUT OF ATL, RECEIVED A "RENG MOIL PRESS" INTERMITTENTLY. COMPLIED WITH QRH AND EVENTUALLY SHUT DOWN THE RIGHT ENG, A/C RETURNED TO ATL AFTER T/O. EMERGENCY DECLARED. EMERGENCY EQUIPMENT ON STANDBY.SDR COMA0760728Transducer · faultyFLIGHT 9658 - DURING CRUISE FLIGHT RECEIVED A RIGHT ENGINE OIL PRESSURE WARNING MESSAGE, CREW DECLARED AN EMERGENCY, PERFORMED AN I.F.S.D. AND DIVERTED TO MDT. FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT ENGINE OIL PRESSURE TRANSDUCER.SDR 07FDEA04922Pressure Switch · malfunctionedDURING CRUISE FLIGHT, GOT A LEVEL 2 ALERT "ENG 2 OIL FILTER". THIS ALERT DID NOT GO AWAY, EVEN WITH THROTTLE IDLE. ENGINE SHUT DOWN IAW QRH NO OTHER ABNORMAL INDICATIONS. REPLACED OIL FILTER DIFFERENTIAL PRESSURE SWITCH PER MM 79-35-01-4. REFLUSH NR 2 ENG SDR SIMA200732302Pressure Switch · defectiveENGINE 2 OIL PRESS FLUX EN ROUTE TO GDL ELECTED TO RETURN TO DFW DISC. REMOVED AND REPLACED LOW OIL PRESSURE SWITCH IAW RR MM 79-33-10. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR HNAA0700271Oil System · low pressureON CLIMBOUT NR 1 ENG OIL PRESSURE GAUGE FLUX, FOLLOWED BY NR 1 ENGINE OIL WARNING LIGHT. CREW REDUCED POWER AND LEVELED OFF, OIL PRESSURE STABILIZED AND NR 1 ENG OIL WARNING LIGHT EXTINGUISHED. NR 1 OIL PRESSURE FLUX BETWEEN 60 AND 30 PSI FOR APPROX 5 MIN.SDR AMWA88346Oil System · low pressureDURING DESCENT, CREW NOTICED SMOKE IN CABIN AND COCKPIT AND LOSS OF RT ENGINE OIL PRESSURE. ENGINE SHUTDOWN WITHOUT CREW ACTION, CREW DIVERTED AC AND LANDED AC WITHOUT FURTHER INCIDENT. TEARDOWN AT MFG FOUND POWER SECTION S/N 114135 (TSO 6501.1) OIL NOZZLE FORSDR WGEA200700015Sensor · malfunctionedSHUT DOWN RIGHT ENGINE, ACCT LOW OIL PRESSURE WARNING. RIGHT ENGINE OPERATED AT WINDMILL RPM FOR APPROXIMATE 20 MINUTES. RIGHT ENGINE PARAMETERS OTHER THAN OIL PRESSURE WERE NORMAL. REMOVED AND REPLACED RIGHT ENGINE MOP/MOT SENSOR IAW P&WC EMM 79-30-04, ANDSDR CA071025008Oil System · low pressure(CAN) DURING CRUISE, THE LOW OIL PRESSURE WARNING WAS ACTIVATED FOLLOWED BY SURGING AND UNCOMMANDED SHUTDOWN. THE FLIGHT WAS DIVERTED. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20071025008)SDR CA071023005Oil System · low pressure(CAN) LOSS OF ENGINE OIL PRESSURE IN FLIGHT. ENGINE WILL BE REMOVED AND SENT FOR INVESTIGATION. (TC NR 20071023005)SDR CA071023001Oil System · low pressure(CAN) LOSS OF ENGINE OIL PRESSURE IN FLIGHT. ENGINE WILL BE REMOVED AND SENT FOR INVESTIGATION. (TC NR 20071023001)SDR CA071025005O-Ring · failed(CAN) PILOT OBSERVED A SUDDEN DROP IN OIL PRESSURE AND ELECTED TO PERFORM AN IN FLIGHT SHUTDOWN. FLIGHT WAS DIVERTED. GROUND INSPECTION REVEALED A DEFECTIVE O-RING ASSOCIATED WITH THE PCU (PROPELLOR CONTROL UNIT) ASSEMBLY. (TC NR 20071025005)SDR COMA0760581Circuit Breaker · unknownFLIGHT 5330 - ON TAKEOFF NOTED THAT NR 1 ENGINE OIL PRESSURE READ ZERO. DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. RESET CIRCUIT BREAKER 1M1. NO FURTHER DEFECTS.SDR CA071024011Oil System · low pressure(CAN) DURING CLIMB, LOW OIL PRESSURE WARNING ANNUNCIATED. PILOT INITIATED SHUTDOWN PROCEDURES AND SINGLE ENGINE LANDING. ENGINE WAS REMOVED FOR INVESTIGATION. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED (TC NR 20071024011)SDR 2007FA0000876Transmitter · unreliableAIRCRAFT LANDED WITH ZERO OIL PRESSURE INDICATION. AFTER TESTING WITH DIRECT READING GAUGE IT WAS DETERMINED THAT THE ACTUAL ENGINE OIL PRESSURE WAS WITHIN LIMITS SPECIFIED BY THE MFG. FURTHER TESTING REVEALED PRESSURE INDICATING SYSTEM WOULD OPERATE NORMALLYSDR TRAX200701349Warning Light · illuminatedLEFT ENGINE LOW OIL PRESSURE MSG IN FLIGHT AT FL 310, OIL PRESSURE DROPPED TO 0 PSI. C\W QRH, LANDED WITHOUT EVENT. EMERGENCY DECLARED.SDR CA071016014Regulator Valve · faulty(CAN) THE ENGINE LOW OIL PRESSURE WARNING ACTIVATED AND THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A FAULTY OIL PRESSURE REGULATING VALVE. (TC NR 20071016014)SDR 2007UALA03491Unknown · unknownENG OIL PRESS L LEFT ENGINE OIL PRESSURE BELOW THE RED LINE LIMIT WITH ENGINE RUNNING. ENGINE REPLACED AT ORD. SHOP TEARDOWN REVEALED A FAILURE OF THE NR 2 BALL BEARING. A 2.5" CIRCUMFERENTIAL X 1" WIDE CHUNK WAS BROKEN OFF OF THE OUTER RACE. THE BEARING HSDR UPS07150557Indicator · fluctuatesINSPECTION TYPE:N/A DURING CLIMBOUT RIGHT ENGINE OIL PRESSURE INDICATION WENT TO XX ON BOTH ECAM & GAUGE, AFTER A COUPLE OF MINUTES INDICATION CAME BACK BUT WAS FLUCUATING, CREW REDUCED ENGINE POWER BUT DID NOT SHUTDOWN ENGINE, ON DESCENT EVERYTHING RETURNED TSDR CA071003024Oil System · fluctuates(CAN) ON APPROACH, ENGINE OIL PRESSURE WAS SEEN TO FLUCTUATE AND THE ENGINE WAS SHUTDOWN IN FLIGHT. MFG WILL MONITOR INVESTIGATION OF THE INCIDENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20071003024)SDR MWEA070187Pressure Switch · malfunctionedOIL STRAINER CLOGGING LIGHT CAME ON, OIL TEMPERATURE WENT TO 120 THEN DECREASED OIL PRESSURE AT 45 EPR. REMOVED AND REPLACED OIL DIFFERENTIAL PRESSURE SWITCH.SDR HEEA116969Transducer · failed10 MINUTES OUT, THE ENGINE OIL PRESSURE DROPPED TO ZERO, NO TORQUE FLUCTUATION, TEMP STABLE, NO CAUTION LIGHTS. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE OIL PRESSURE TRANSDUCER PN 222-375-077-113, SN 6073-3A-70 AND THE ENGINE OIL TEMP-PRESS ISDR HNAA0700162Transmitter · malfunctionedNR 1 ENG OIL PRESS WENT TO 40 PSI IN FLT NO WARNING LIGHT. SHUT DOWN NR 1 ENGINE. REMOVED AND REPLACED NR 1 OIL PRESSURE TRANSMITTER. LEAK AND OPS CHECK GOOD.SDR HEEA116826Pressure Switch · malfunctionedNR 1 ENGINE OIL PRESSURE LIGHT CAME ON IN FLIGHT. MAINTENANCE REPLACED THE OIL PRESSURE SWITCH.SDR CA070803015Transmitter · defective(CAN) PILOT REPORTED LOW OIL PRESSURE DURING DESCENT WITH ENGINE RPM REDUCED TO IDLE. COMPLEATED OIL PRESSURE GUAUGE CALIBRATION CHART USING CABIBRATED GAUGE. INDICATED 30PSI -> ACTUAL 38PSI, INDICATED 20 -> ACTUAL 27PSI, INDICATED 15PSI -> ACTUAL 20PSI, INDISDR CA070823009Engine · failed(CAN) REAR ENGINE EXPERIENCED A LOSS OF OIL PRESSURE DURING FLIGHT. ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO BASE. ENGINE WAS REPLACED. UNABLE TO DETERMINE OIL PRESSURE PROBLEM WITH FAILED OIL PRESSURE ON ENGINE. ENGINE WAS SHIPPED TO ENGINE SHOP. (TC NRSDR CA070724007Engine · making metal(CAN) THE LT ENG OIL PRESSURE CAUTION LIGHT WAS FLICKERING WHILE SLINGING A LOAD. THE OIL PRESSURE GAUGE WAS CROSSCHECKED AND INDICATED 2.5 KG/CM2 (THE CAUTION RANGE) AND THE OIL TEMPERATURE WAS NORMAL. THE LOAD WAS DROPPED OFF. AFTER THE LOAD WAS DELIVERED AISDR HALA0700303Pressure Switch · malfunctionedETOPS SIGNIFICANT SYSTEM, R ENG OIL PRESS LIGHT DID NOT ILLUMINATE ON ENG SHUTDOWN. REMOVED AND REPLACED RIGHT ENGINE LOW OIL PRESSURE SWITCH PER AMM 79-33-01. LEAK AND OPS CHK GOOD.SDR 2007UALA02796Transmitter · malfunctionedL ENG OIL PRESSURE IS RED 0. [08-07-07] REPLACED OIL PRESSURE TRANSMITTER PER AMM 79-32-01. OPS CHECKED NORMAL.SDR CA070718001Regulator · fluctuates(CAN) DURING FLIGHT, THE OIL PRESS INDICATOR NR 1 ENGINE, DROPPED TO 50 PSI. QRH DRILL COMPLETED, UNSCHEDULED LANDING COMPLETED. OIL PRESSURE REGULATOR ASSEMBLY REPLACED IAW AMM 71-01-50, SYSTEM TESTED SERVICEABLE AND AIRCRAFT RETURNED TO SERVICE. (TC NR 20070SDR NSVA20070169Pressure Switch · malfunctionedOIL PRESSURE ANNUNCIATOR LIGHT CAME ON DURING TAKEOFF ROLL/TAKEOFF ABORTED. REMOVED AND REPLACED RT ENGINE OIL PRESSURE SWITCH.SDR HNAA0700122Transmitter · faultyNR 2 ENGINE OIL PRESSURE WENT TO ZERO ON TAKEOFF ROLL, ALL OTHER ENGINE PERIMETERS NORMAL, NO CAUTION LIGHTS. CHECKED OIL LEVEL FOUND TO ABOVE ADD 1 QT. CLEANED C/P'S ON OIL PRESSURE S/W AND TRANSMITTER NO FIX. SWAPPED OIL PRESSURE GAUGE IN FLT DECK NO FIX.SDR NSVA20070156Transducer · malfunctionedRETURN TO GATE, LEFT ENGINE OIL PRESSURE DROPPED TO 60 PSI AND REMAINED AT 60 DURING TAXI OUT. OIL PRESSURE NEEDLE BEGAN BOUNCING BETWEEN 60 PSI AND 110 PSI. REMOVED AND REPLACED OIL PRESSURE TRANSDUCER IAW BMM 1900D 79-50-00-207 RAN LT ENG FOR LEAK AND OPS SDR HNAA0700106Transmitter · malfunctionedNR 1 OIL PRESS READS BETWEEN 75 & 100 PSI IN FLIGHT. CONTACT ROA MAINT THE FLIGHT RETURNED TO THE FIELD IN ROA. NO EMERGENCY WAS DECLARED AND IT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED ENG OIL PRESS TRANSMITTER. OPS & LEAK CHECK GOOD.SDR CA070507009Relief Valve · malfunctioned(CAN) IN CRUISE FLIGHT, OIL PRESSURE BEGAN TO FLUCTUATE FROM BOTTOM TO MIDDLE OF GREEN RANGE, 80 TO 90 PSI. FAULT CONFIRMED ON GROUND RUN, NOT RELATED TO INDICATION. CONSULTATION WITH ENGINE OVERHAULER, OIL PRV VALVE TO BE CHECKED. PARTS AT TOOLS DISPATCHED, SDR ABXA070149Transmitter · defectiveDURING CRUISE NR 2 ENGINE OIL PRESSURE WENT TO OFF SCALE LOW MOMENTARILY AND RECOVERED. FIFTEEN MINUTES LATER, AGAIN OFF SCALE LOW AND STAYED. SECURED NR 2 ENGINE. REMOVED AND REPLACED NR 2 ENGINE PRESSURE TRANSMITTER IAW DC8 MM 70-32-01-2. RAN ENGINE, NO SDR COMA0760345Transducer · faultyFLIGHT 5354 - ABORTED TAKEOFF AT 80 KTS DUE TO LEFT ENGINE HIGH OIL PRESSURE. UNABLE TO DUPLICATE HIGH OIL PRESSURE, REMOVED AND REPLACED ENGINE OIL PRESSURE TRANSDUCER. OPS CHECK GOOD.SDR COMA0760344Pressure Switch · faultyFLIGHT 5637 - RIGHT ENGINE OIL PRESSURE WARNING DURING CLIMBOUT, AIRCRAFT RETURNED BACK TO CVG AND LANDED SAFELY. REMOVED AND REPLACED RIGHT ENGINE OIL PRESSURE SWITCH. OPS CHECK GOOD.SDR SIMA200711304Pressure Switch · failedLEFT ENGINE OIL PRESSURE LIGHT ILLUMINATED INFLIGHT, RETURNED TO DFW. REMOVED AND REPLACED LEFT ENGINE AND POWER GEAR BOX OIL PRESSURE SWITCHES IAW SAAB AMM 79-30-05. OPERATIONAL CHECK GOOD, RETURNED AIRCRAFT TO SERVICE.SDR ABXA070107Transmitter · defectiveAT TOP OF CLIMB, NR 1 ENGINE OIL PRESSURE STARTED DROPPING OFF INTO CAUTIONARY RANGE. RAN ABNORMAL CHECK LIST, REDUCED POWER TO IDLE. OIL PRESSURE DROPPED BELOW RED LINE, SECURED ENGINE AND RETURNED FOR LANDING. REPLACED NR 1 ENGINE OIL PRESSURE TRANSMITTER SDR 02118Pressure Switch · fluctuatesOIL PRESSURE DROPPED TO 20 PSI IN CRUISE FLIGHT, DURING CRUISE OIL GAUGE FLUCTUATED +- 4 PSI, BETWEEN 33-37 OTHER INDICATIONS NORMAL, REMOVED AND CLEANED OIL PRESSURE SENDING UNIT REINSTALLED AND OPERATIONAL CHECKED GOOD.SDR PSNA070303Pressure Switch · malfunctionedPILOT ABORTED TAKEOFF DUE TO ENGINE OIL PRESSURE LOW MASTER WARNING LIGHT RETURNED TO GATE. REMOVED AND REPLACED ENGINE OIL PRESSURE DIFFERENTIAL SWITCH.SDR CA070514019Engine · low pressure(CAN) ENGINE OIL PRESSURE WAS SEEN TO INCREASE AND THE ENGINE WAS SHUTDOWN IN FLIGHT. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUE ONCE ESTABLISHED. (TC NR 20070514019)SDR CA070514021Engine · low pressure(CAN) THE ENGINE EXPERIENCED AN INCREASE IN OIL PRESSURE AND TEMPERATURE AND WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED METALLIC DEBRIS IN THE ENGINE OIL. MFG WILL INVESTIGATE THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 200705SDR DXTA200702017Transmitter · malfunctionedDURING POWER REDUCTION TO IDLE AT 10.000 FT, LT ENGINE OIL PRESSURE DROPPED TO BELOW 20 PSI AND JUMPED BACK AND FORTH TO 40 PSI. ON POWER INCREASE, PRESSURE STAYED AROUND 30 PSI. ENGINE WAS LEFT AT IDLE UNTIL COMPLETION OF FLIGHT. LOWERED NR 1 ENGINE COWLING.SDR AALA20070471Oil System · low pressureORD INFLIGHT - LEFT ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED FOLLOWED BY OIL QUANTITY DEGRADING. CREW SHUTDOWN ENGINE. NO HIGH OIL TEMPERATURES OR ENGINE GAS TEMPERATURES OBSERVED. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. SINGLE ENGINE TIME APPROXIMATSDR CA070514013Engine · low pressure(CAN) THE ENGINE EXPERIENCED AN LOSS OF OIL PRESSURE DURING CRUISE AND WAS REMOVED FROM SERVICE FOR FURTHER INVESTIGATION. MFG WILL INVESTIGATE AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20070514013)SDR AALA20070415Pressure Switch · inoperativeDFW - INFLIGHT ON APPROACH RIGHT ENGINE CLOGGED STRAINER INDICATION ILLUMINATED. CREW PERFORMED IN FLIGHT SHUTDOWN. LANDED DFW WITHOUT INCIDENT. ALL CHECKS NORMAL. INSTALLED NEW FILTER AND OIL FILTER DIFFERENTIAL PRESSURE SWITCH. DRAINED AND REPLENISHED OSDR CA070803010Transmitter · defective(CAN) OIL PRESSURE REPORTED LOW WHEN ENGINE BROUGHT BACK TO IDLE FOR LANDING. INSTALLED NEW OIL PRESSURE SENDER AND AIRFRAME GAUGE CALIBRATION CHECK COMPLETED. LOGBOOK NOT AT CURRENTLY CLOSE AT HAND, FOR TOTAL TIME ON OIL SENDER, OPERATOR HAS REPLACED THEM IN
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