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.

SDR VNAA2011102100019Transducer · malfunctionedCREW REPORTED LEFT ENGINE LOW OIL PRESSURE 40 TO 22 PSI AT ALL POWER SETTINGS AFTER DEPARTURE FROM DAY. CREW RETURNED TO DAY AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TROUBLESHOT AIRCRAFT, REMOVED AND REPLACED LEFT ENGINE OIL PRESSURE TRANSDUCEROct 17, 2011 · N244PS · Cndair CL6002B19SDR MASA2011100563819Oil System · fluctuatesE1/2 N2 AND OIL PRESS FLUX IN FLT. HI PWR RUNS W/CREW, NO DEFECTS FOUND, OIL SVC NORM.Oct 5, 2011 · N7291Z · Cndair CL6002B19SDR MASA2011100563818Pressure Switch · defectiveRT ENG OIL PRESS MISSING ON EICAS ENG S/D; R2 LOP SWITCH.Oct 5, 2011 · N917FJ · Cndair CL6002D24SDR UALA2011082904619Pressure Switch · faultyCREW REPORTS AFTER LT ENG START 'LT OIL FILTER' EICAS MSG CAME ON BRIEFLY AND WENT AWAY. NOW HAVE OIL FILTER STATUS MSG. PER MM CHANGED OIL FILTER & CHECKED ALL CHIP DECT'S WITH DEFECTS NOTED. DIFFERENTIAL PRESSURE SWITCH NEED TO BE CHANGED WITHIN 100 HRS BAug 29, 2011 · N653UA · Boeing 767322SDR CA110830019Pump · failed(CAN) OIL PRESSURE LIGHT ILLUMINATED FOLLOWED A LOW PRSSURE INDICATION ON THE PRESSURE GUAGE (4 PSI AND DECREASING RAPIDLY). POWER REDUCED, ENGINE SHUTDOWN. PRIORITY CLEARANCE WAS GIVEN TO LAND. A RUN ON LANDING WAS MADE AT A LOW POWER SETTING. ACFT TAXIEDAug 27, 2011 · Skrsky S76CSDR CA110830003Oil System · low pressure(CAN) DURING REVENUE FLIGHT, ENROUTE, IN CRUISE THE LOW OIL PRESSURE WARNING SOUNDED. PILOT REDUCED POWER TO IDLE AND OIL PRESSURE FELL INTO RED BAND. PILOT SHUT DOWN AND SECURED THE ENGINE. ACFT WAS DIVERTED WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERAug 21, 2011SDR CA110818001Oil System · low pressure(CAN) DURING INTERNAL COMPANY FLIGHT, COMPANY SHUTTLE, THE CREW NOTED A LOW OIL PRESSURE INDICATION ON 1 ENGINE. THE PILOT ELECTED TO SHUTDOWN THE ENGINE AND RETURNED FOR AN UNEVENTFUL SINGLE-ENGINE LANDING. POST-FLIGHT INSPECTION AND GROUND RUNS REVEALED NO EAug 9, 2011 · Dhav DHC8202SDR CA110810002Transmitter · faultyIFSD, CLIMBING THROUGH 14,000 FT THE PILOT NOTED THE RT ENGINE OIL PRESSURE DROPPING LOWER INTO THE AMBER, THEN RED ZONE. THE LOW OIL PRESS R CAS MESSAGE CAME ON AND PILOT SHUT DOWN THE ENGINE AND LANDED SAFELY. THE OIL PRESSURE TRANSMITTER WAS BENCH CHECKED AAug 4, 2011 · Cessna 510SDR YENA20110729311Transmitter · failedFLT 599 HPN-MCO, CREW DECLARED EMERGENCY AND AIRCRAFT DIVERTED TO CHS DUE TO ENG 2 LOW PRESS DISPLAYED ON EICAS. VERIFIED "0" OIL PRESSURE ON PRESSURE PSI (INFLIGHT SHUTDOWN). THE TECHNICIAN REMOVED AND REPLACED OIL PRESSURE TRANSMITTER IAW AMM 79-33-03. PEJul 29, 2011 · N193JB · Emb ERJ190100IGWSDR FDEA201107262945Pressure Switch · inoperativeDURING TAKEOFF, GOT LT OIL FILTER EICAS AT 80 KTS. DURING TAXI BACK, DID NOT HAVE ANY OTHER INDICATIONS. EICAS MESSAGE STAYED ON THROUGH SHUTDOWN. REPEAT. FOUND INOP LT ENG SCAVENGER OIL FILTER DIFFERENTIAL PRESSURE SWITCH, R & R IAW MM 79-35-02-4 AND TESTJul 26, 2011 · N910FD · Boeing 757236SDR CA110803005Oil System · low pressure(CAN) AT 7000 FT CREW REPORTED LT ENGINE OIL PRESSURE HAD DROPPED TO ZERO. ENGINE WAS SHUTDOWN AND ACFT RETURNED TO POINT OF DEPARTURE AND LANDED UNEVENTFULLY. TROUBLESHOOTING IS ONGOING.Jul 20, 2011 · Cessna 560XLSDR CA110803003Oil System · low pressure(CAN) DURING CRUISE, A LOSS OF OIL PRESSURE OCCURRED. THE ENGINE WAS SHUTDOWN AND SECURED BEFORE AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED AT THE DEPARTURE AIRPORT. TROUBLESHOOTING IS ON-GOING. WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT Jul 19, 2011 · Bombdr DHC8400SDR UALA2011071903667Pressure Switch · faultyL ENG OIL FILTER EICAS, RTFL. ALL OTHER (OIL QTY, OIL PRESS, OIL TEMP AND LOW OIL PRESS) INDICATIONS NORMAL, OIL FILTER LIGHT WENT OUT INITIALLY BUT CAME BACK ON NOW STEADY. SAMC TEXT: L ENG S/N 727897. REF AMM 79-35-00 PG 106 FOR OIL FILTER MESSAGE T-SHOOTIJul 18, 2011 · N655UA · Boeing 767322SDR CA110720004Oil System · low pressure(CAN) OIL PRESSURE LOSS/IFSD AT CRUISE, THE CREW NOTICED THE LT ENGINE OIL PRESSURE READING ZERO BUT WITH NO ASSOCIATED OIL PRESSURE WARNING INDICATION. A PRECAUTIONARY ENGINE SHUTDOWN WAS CARRIED OUT AND THE FLIGHT DIVERTED WHERE AN UNEVENTFUL SINGLE ENGINE Jul 11, 2011 · Dhav DHC8311SDR UALA2011071103432Unknown · malfunctionedLOP LIGHT, RTFL. ENG 2 CREW COMMENTS: ENG LOW OIL PRESS INDICATION. 16 PSI IND. RETURNED TO NORMAL ONE MINUTE LATER. RPL'D BURNDY BLOCK AND OIL PRESSURE TRANSMITTER. IDLE RAN ENGINE FOR 5 MINUTES AND OIL PRESSURE SHOWED 156PSI. REPLACED ENG INTERFACE UNIJul 10, 2011 · N836UA · Airbus A319131SDR CA110701002Pump · failedMAY 14, 2011, CREW REPORTED LOW OIL PRESSURE ON TOUCHDOWN (64 PSI) FOR A FEW SECONDS AND THEN BACK TO NORMAL. OIL PUMP WAS REPLACED WITH AN O/H UNIT. CREW REPORTED A FLUCTUATION OF THE OIL PRESSURE DURING THE CLIMB OUT THRU 33, 000 TO 37,000 FT. AFTER DISCUSJun 29, 2011 · Lear 45LEARSDR YYFA064MPressure Switch · defectiveAFTER TAKEOFF AND CLIMBOUT FROM SAL RT ENGINE FILTER CLOGGED LIGHT ILLUMINATED, AC DIVERTED TO GUATEMALA. UPON PARKING MAINTENANCE REMOVED THE MAIN OIL FILTER ASSY AND INSPECTED FOR FOD, NONE WAS FOUND. MAINTENANCE REPLACED THE RT ENG MAIN OIL FILTER PER MD Jun 28, 2011 · N836NK · Doug MD83SDR UALA2011062003032Pressure Switch · faultyNR 2 ENGINE OIL FILTER MSG. REPLACED THE MAIN OIL FILTER. REPLACED THE OIL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM. FBO REPLACED OIL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM. NR 2 ENGINE WILL REQUIRE IDLE RUN LEAK CHECK DUE TO MAIN OIL FILTER REPLACJun 19, 2011 · N670UA · Boeing 767322SDR CA110616006Transmitter · faultyON APPROACH THE PILOT NOTICED OIL PRESSURE FAILURE ON PRESSURE INDICATING GAUGE, MX TROUBLESHOOTING OF SYS DECIDED THAT THE ABOVE MENTIONED PART WAS FAULTY. THE NEW PART WAS INSTALLED AND THE OIL PRESSURE INDICATION FAILED. INSTALLING A SECOND NEW OIL TRANSMITJun 14, 2011 · Snias AS350BASDR CA110614003Oil System · pressure loss(CAN) OIL PRESSURE LOSS/IFSD DURING FLIGHT, THE PILOT NOTICED A LOSS OF OIL PRESSURE. SHUT THE ENGINE DOWN AND HAD AN UNEVENTFUL SINGLE ENGINE LANDING. POST FLIGHT INSPECTION FOUND NO OIL INDICATION ON THE SIGHT GLASSES AND NO EVIDENCE OF EXTERNAL OIL LEAK. Jun 7, 2011 · Cessna 560XLSDR CA110719008Transducer · failedDURING FLIGHT, THE CREW NOTICED THE LT ENGINE OIL PRESSURE DECREASING. IAW THE SOP`S THE ENGINE WAS SHUTDOWN IN FLIGHT AND A SAFE LANDING WAS MADE. TROUBLESHOOTING WAS CARRIED OUT AND FOUND THAT THE OIL PRESSURE TRANSDUCER HAD FAILED GIVING THE LOW READING.Jun 6, 2011 · Beech B200SDR NSVA2011126Transmitter · failedDURING INITIAL CLIMBOUT THE OIL PRESSURE DROPPED TO ZERO, ALL OTHER INDICATIONS WERE GOOD. THE CREW INFORMED TOWER OF THIS AND REQUESTED A RETURN TO FIELD AT WHICH TIME THE TOWER DECLARED AN EMERGENCY FOR THE FLIGHT. ACFT CAME BACK AROUND TO 8L AND LANDED WIMay 31, 2011 · N210CJ · Saab 340BSDR CA110606002Oil System · low pressure(CAN) LOW OIL PRESSURE/IFSD DURING T/O, OIL PRESSURE WAS LOST, WENT TO ZERO. THE PILOTS COMPLETED THE TAKEOFF, THEN INITIATED THE ENGINE SHUTDOWN. THE ACFT RETURNED TO THE POINT OF DEPARTURE WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. TROUBLESHOOTMay 25, 2011 · Cessna 560XLSDR UALA2011052302506Pressure Switch · faultyABORTED T/O AT 110 KNOTS DUE TO RT ENG OIL PRSR IND. R ENG OIL PRESS LIGHT AND EICAS ILLUMINATED ON TAKEOFF. REPLACED SWITCH PER MM. ACCOMPLISH LEAK AND OP CHECK OF NR 2 ENG LOW OIL PRESS WARNING SWITCH. ACP RUN UP TEST FAILED FOR LOW OIL PRESSURE LIGHT WOMay 21, 2011 · N594UA · Boeing 757222SDR VNAA2011051800009Seal · blownCREW REPORTED LEFT ENGINE OIL PRESSURE MASTER WARNING AND TRIPLE CHIME SHORTLY AFTER TAKEOFF FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, FOUND SEAL BLOWN OUT OF LEFT ENGINE OIL PRESSURE TRANSDUCER, REMOVED AND REPLACED May 15, 2011 · N242JS · Cndair CL6002B19SDR CA110516017Oil System · low pressure(CAN) OIL PRESSURE LOSS/IFSD DURING CRUISE AT FL240, THE CREW HAD TO SHUT THE RIGHT ENGINE DOWN DUE TO LOW OIL PRESSURE. THE ACFT WAS DIVERTED FOR A SAFE SINGLE ENGINE LANDING. SEVERAL FAULT CODES WERE RECORDED DURING THE EVENT, INCLUDING TURBOMACHINE CHIP DMay 10, 2011 · Bombdr DHC8400SDR UALA2011050902253Pressure Switch · failedENG OIL FILT SNSR R THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE RIGHT ENGINE HAS FAILED. NO TIME TO T-S, MSG 79-608 62 LATCHED. MAG TIP FOUND CLEAN AND NO LEAK NOTED. CHECKED OIL FILTER TO BE SURE NOT CLOGGED. ENG WAS JUST INSTALLEMay 6, 2011 · N794UA · Boeing 777222SDR CA110516006Oil System · low pressure(CAN) IFSD DURING REVENUE FLIGHT, THE PILOT NOTICED TORQUE FLUCTUATION FOLLOWED BY LOSS OF OIL PRESSURE ON 1 ENGINE. POWER LEVER WAS RETARDED TO IDLE BUT ENGINE HAD TO BE SHUTDOWN DUE TO ABNORMALLY HIGH ITT. THE FLOATPLANE LANDED UNEVENTFULLY. THE MECHANIC NMay 3, 2011 · Dhav DHC6300SDR UALA2011050202130Transmitter · looseNR 1 ENG HAS UNUSUAL OIL COKING BY ENG OIL TANK AND DUCTING. FOUND OIL TANK TRANSMITTER HEAD LOOSE IN HOUSING. REPLACED TRANSMITTER PER MM. ACCOMPLISHED 5 MIN IDLE LEAK CHECKED GOOD.May 1, 2011 · N667UA · Boeing 767322SDR 2011FA0000286Pressure Sensor · failedOIL PRESSURE ON NR1 (LT) ENGINE 170 PSI , RETARDED POWER, OIL DROPPED TO 164 PSI. ALL OTHER ENGINE INDICATIONS NORMAL. COMPLETED ENGINE SECURING CHECKLIST.Apr 29, 2011 · N189SL · Piagio P180SDR MASA2011042802533Transmitter · malfunctionedLEFT OIL PRESS DROPPING ON CLIMB. REMOVED AND REPLACED OIL PRESSURE TRANSMITTER.Apr 27, 2011 · N504MJ · Cndair CL6002B19SDR CA110427011Oil System · low pressure(CAN) LOW OIL PRESSURE ON FINAL APPROACH, LANDING GEAR LIGHTS WENT OUT, BUT GEAR DOWN WAS CONFIRMED BY ALTERNATE INDICATION, PIN. ON GROUND, AT APPROXIMATELY AT THE TIME OF ENGAGING THE THRUST REVERSERS, THE ENGINE LOW OIL PRESSURE INDICATION CAME ON AND SIMUApr 19, 2011SDR CA110427010Oil System · fluctuates(CAN) OIL PRESSURE FLUCTUATION/IFSD DURING CLIMB OIL PRESSURE FLUCTUATIONS OCCURRED. THE ENGINE WAS SHUTDOWN AND SECURED AND THE ACFT RETURNED TO THE DEPARTURE POINT FOR AN UNEVENTFUL SINGLE ENGINE LANDING. TROUBLESHOOTING IS ON-GOING.Apr 19, 2011 · Dhav DHC8102SDR CA110425005Oil System · low pressure(CAN) NO RESPONSE DURING FLIGHT, THE OIL PRESSURE WENT INTO THE YELLOW ARC. THE PILOT TRIED TO INCREASE THRUST, BUT THERE WAS NO RESPONSE FROM THE ENGINE. ELECTED TO SHUTDOWN THE ENGINE BEFORE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. TROUBLESHOOTING IS OApr 8, 2011SDR CA110413010Oil System · low pressure(CAN) OIL PRESSURE LOSS/IFSD DURING CRUISE, THE CREW SAW THE ENGINE OIL PRESSURE INDICATING ZERO. THE ENGINE WAS SHUTDOWN AND THE FLIGHT DIVERTED BEFORE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. TROUBLESHOOTING IS ON-GOING.Apr 1, 2011SDR CA110413005Oil System · low pressure(CAN) OIL PRESSURE LOSS/IFSD DURING FLIGHT AT FL100, THE PILOT NOTED LOSS OF MAIN OIL PRESSURE, "0" READING ON THE GAGE. THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. TROUBLESHOOTING IS ON-GOING.Mar 30, 2011SDR CALA2011032800209Indicator · malfunctionedON TAKEOFF ROLL OIL PRESSURE DROPPED TO RED LINE WITH NO OIL PRESSURE LIGHT REJECTED AT 60 KNOTS. REMOVED AND REPLACED NR 1 OIL PRESSURE INDICATOR IAW 737-35 AMM 79-32-02. PERFORMED OPERATIONAL TEST - OIL PRESS INDICATING SYSTEM REF 737-35 AMM 79-32-00-715-0Mar 27, 2011 · N16642 · Boeing 737524SDR CA110331026Relief Valve · broken(CAN) OIL PRESSURE VALVE HSG ON BACK OF ENGINE WAS FOUND LEAKING. MAINTENANCE REMOVED THE VALVE, BUT UPON RE-INSTALLATION, THE VALVE BROKE IN HALF. THE AREA BETWEEN THE SEAT OF THE O-RING AND THE THREADS WAS FOUND CRACKED, CAUSING THE LEAK. THE UNIT WAS REMOVMar 21, 2011 · Cessna 180KSDR CA110331008Indicator · inaccurate(CAN) OIL PRESSURE LOSS DURING FLIGHT, THE OIL PRESSURE STARTED TO OSCILLATE AND THEN STARTED TO DECREASE. THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. TROUBLESHOOTING IS ON-GOING AND FOCUSING ON AN INDICATION PROBLEM.Mar 20, 2011 · Dhav DHC8201SDR UALA2011031601273Pressure Switch · failedLT ENGINE OIL FILTER MSG. REPLACE DIFFERENTIAL PRESSURE SWITCH PER AMM WITHIN 100 HOURS. REPLACED NR 1 ENG OIL DIFFERENTIAL PRESURE SWITCH PER MM. IDLE RUN OPS & LEAK CHECKED GOOD. NO LEFT ENG OIL PRESS MSG.Mar 16, 2011 · N670UA · Boeing 767322SDR CA110228019Oil System · failed(CAN) IFSD, SINGLE ENGINE, DURING A FLIGHT, THE PILOT NOTICED AN OIL PRESSURE DROP AND ELECTED TO SHUT THE ENGINE DOWN BEFORE LANDING IN A FIELD 20 KM NORTH. ASSISTANCE WILL BE OFFERED TO THE LOCAL AUTHORITIES (AAIB). ENGINE MFG WILL INVESTIGATE TO ESTABLISHFeb 14, 2011SDR IXXA110013OPressure Switch · crackedDURING CRUISE, THE CREW SHUTDOWN NR 1 ENGINE DUE TO LOSS OF OIL QTY. THEY LANDED WITHOUT FURTHER INCIDENT. MX INPECTED NR 1 ENGINE AND FOUND OIL DIFFERENTIAL PRESSURE SWITCH HOUSING CRACKED. THEY REPLACED OIL DIFFERENTIAL PRESSURE SWITCH. OPS CHECK GOOD IAWFeb 6, 2011 · N71CX · Doug DC862FSDR C2XA11CL036Pressure Switch · faultyIAH - FLT 2548 THE CREW REPORTED A NR 1 ENGINE LOW OIL PRESSURE WARNING IN FLIGHT. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE LOW OIL PRESSURE SWITCH. OPERATIONAL CHECKS WERE GOOD.Feb 4, 2011 · N12145 · Emb EMB145XRSDR CA110125014Oil System · low pressure(CAN) OIL PRESSURE LOSS/IFSD DURING FLIGHT, THE NR 2 ENGINE LOW OIL PRESSURE WARNING CAME ON. THE ENGINE WAS SHUT DOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. GROUND INSPECTION FOUND NO OIL LEVEL VISIBLE IN THE SIGHT GLASS, OIL WAS FOUND INSIDE THE EJan 20, 2011 · Aerosp ATR72212ASDR CA110125008Pump · failed(CAN) OIL PRESSURE LOSS/IFSD WHILE SETTING UP FOR APPROACH, THE OIL PRESSURE WARNING ILLUMINATED AND OIL PRESSURE INDICATION WAS ZERO. THE PILOT IMMEDIATELY SHUT THE ENGINE DOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. TROUBLESHOOTING IS FOCUSING ON AJan 15, 2011 · Lear 60LEARSDR COEA2011011001911Pressure Switch · failedATB JNU FLIGHT 8216: SHORTLY AFTER ROTATION THE NR 2 ENGINE OIL PRESSURE GAUGE ILLUMINATED FALLING OIL PRESSURE, CRC ACTIVATED FOR 5 SECONDS THEN RETURNED TO NORMAL. CREW ELECTED TO RETURN TO JNU. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED OIL Jan 10, 2011 · N911FX · Aerosp ATR42300SDR ASAA1058644Transmitter · failedDURING TAXI OUT THE NR 2 ENGINE OIL FILTER BYPASS LIGHT CAME ON TWICE THEN WENT OUT. REPLACED SCAVENGE OIL FILTER CLOGGING TRANSMITTER REF MM 79 21 07 000 801 F00 & 79 21 07 400 801 F00. RAN MOTOR FOR 5 MIN OPS CHECK & LEAK CHECK GOOD. NEW FILTER & O-RINGS Dec 17, 2010 · N594AS · Boeing 737890SDR UALA2010121404557Pressure Switch · failedENG OIL FILT SNSR L THE PRESSURE SWITCH FOR DETECTING IMPENDING OIL FILTER BYPASS ON THE LT ENGINE HAS FAILED. STATUS MSG01-ACTIVE CRUISE MODE DEPENDENT; SWITCH POSITION SIGNAL FROM OIL FILTER DIFFRNTL PRESS SW (L ENG) CHANNEL A & B DO NOT AGREE. DB- ELECTRDec 13, 2010 · N214UA · Boeing 777222SDR CA101222005Pressure Switch · leaking(CAN) OIL LEAKING THROUGH TOP OF OIL PRESSURE SWITCH PN 83278 AND OUT AROUND ELECTRICAL PLUG (FOR LOW OIL PRESSURE WARNING LIGHT AND HOUR METER). PILOT HAD RED OIL PRESSURE ANNUCIATOR ILLUMINATE AND LANDED AS SOON AS POSSIBLE. SB07-79-01 CITES INTERNAL WEAR ASDec 10, 2010 · Cessna 172SSDR FDEA201012054591Regulator Valve · failedGOT HIGH OIL PRESSURE NR 2 ENG ON T/O ROLL. REJECTED T/O AT LOW SPEED. SECOND TAKEOFF NORMAL. 1ST T/O 62PSI, 2ND T/O 58 PSI. R & R 2 ENGINE OIL PRESSURE REGULATOR VALVE REF AMM 79-21-04-04-0. PERFORMED OIL PRESSURE TEST NR 7, REF 71-00-00, RAN NR2 ENGINE IAW Dec 5, 2010 · N456FE · Airbus A310222
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