JASC 2911
Service difficulty reports · 202
Reports filed under 2911 · Hydraulic Power Accumulator, Main, 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 = '2911' 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 = '2911' 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 C2XA01IA345Accumulator · dischargedIAH - FLIGHT 3518, THE CREW REPORTED THAT THE LEFT MAIN LANDING GEAR WOULD NOT RETRACT UNLESS CYCLED TWICE. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE SERVICED THE MAIN LANDING GEAR ACCUMULATOR, AND THE AIRCRAFT WAS APPROVED FSDR AWXA0001968B-Nut · loosePHX - AIR TURNBACK - FLT 682 - AFTER TAKEOFF FROM PHX DURING CLIMB EN ROUTE TO EWR THE YELLOW HYDRAULIC SYSTEM QUANTITY STARTED TO DECREASE AND BECAME DEPLETED. THE AIRCRAFT WAS RETURNED TO PHX AND MADE AN UNEVENTFUL LANDING. MAINTENANCE FOUND SIGNS OF LEAKASDR VNAA0104018Accumulator · lack of lubeTHE FLIGHT LEVELED OFF AT 27,000 FEET AND THE CREW RECEIVED AN EMERGENCY PARKING BRAKE ACCUMULATOR LOW CAS MESSAGE. THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK AND WERE DIRECTED TO RETURN TO CHS. AS FLIGHT 4069 DESCENDED THROUGH 8000 FEET THE CAS MESSAGSDR CA010508002Accumulator · leaking(CAN) PILOT REPORTED LANDING GEAR FAILED TO LOCK UP IN RETRACTED POSITION. GEAR WAS SELECTED DOWN AND EMERGENCY HAND PUMP WAS USED TO LOCK GEAR IN PLACE. THE AIRCRAFT WAS THEN FLOWN TO MAINTENANCE BASE WITH GEAR DOWN. THIS SYSTEM HAS THE HYDRAULIC PUMP PRESSURSDR HEEA072012Accumulator · leakingACCUMULATOR LEAKS FROM WEEP HOLE. REPLACED WITH SERVICEABLE ACCUMULATOR.SDR 2001UALA00347Accumulator · failedAILERON PROBLEM. SUPPLEMENTAL DATA UPDATE BLUE HYDRAULIC SYSTEM ACCUMULATOR FAILED INTERNAL LEAK TEST ON AIRCRAFT. REPLACED BLUE HYDRAULIC ACCUMULATOR (P/N SB209L1A1-1483), AND BLUE AILERON SERVOCONTROL (P/N 31073-110).SDR 20001219SH007Valve · leakingDFW - TA440 - DURING APPROACH, HYD SYS-A LOST, MASTER CAUTION ON A-FLT CNTRL, LOW PRESS LIGHTS ON, ENG 1, 2. UNEVENTFUL LANDING. MAINT TECH PERFORMED INSP, FND HYD A-SYS RESERVOIR WITH LOW LEVEL QTY, AIR FILLING VALVE WITH LEAK. ENG NR 2, HYD PUMP SUPPLY SDR AU001089Accumulator · leaking(AUS) HYDRAULIC ACCUMULATOR DIAPHRAGM LEAKING FLUID.SDR 20001120SH034Accumulator · failedACCUMULATOR FAILED TO HOLD CHARGE, SLOWLY DROPPED PRESSURE. REMOVED AND REPLACED ACCUMULATOR. (X)SDR SIMA2663Accumulator · leakingACT - FLT 3904 - AFTER TAKEOFF, CREW SELECTED GEAR UP. GEAR DID NOT COME UP. PUT ON MEL. MAINTENANCE REMOVED AND REPLACED THE INBOARD AND OUTBOARD BRAKE ACCUMULATORS, SERVICED THE MAIN SYSTEM ACCUMULATOR IAW SAAB MM. LEAK CHECKED AND RETRACTION CHECKED GOSDR AU000823Accumulator · faulty(AUS) HYDRAULIC ACCUMULATOR FAULTY.SDR 20000925SH019Accumulator · crackedHOT - FLT 1311 - AFTER NORMAL GEAR RETRACTION, CREW NOTICED HYDRAULIC PRESSURE LOW. LIGHTS CAME ON WHEN FLAPS UP WAS SELECTED. CREW CONFIRMED HYDRAULIC PRESSURE LOW ON HYD PRESSURE GAUGE. GEAR PUMPED DOWN AND ACFT RETURNED TO STATION WITH NO FURTHER INCIDESDR 20000918SH016Accumulator · crackedHOT - FLT 1311 - AFTER NORMAL GEAR RETRACTION, CREW NOTICED HYDRAULIC PRESSURE LOW. LIGHTS CAME ON WHEN FLAPS UP WAS SELECTED. CREW CONFIRMED HYDRAULIC PRESSURE LOW ON HYDRAULIC PRESSURE GAUGE. GEAR WAS PUMPED DOWN AND AIRCRAFT RETURNED TO STATION WITH NO SDR EISA20000105Accumulator · leakingTEN MINUTES AFTER TAKEOFF A SYSTEM HYDRAULIC PRESSURE DROPPED TO 1000 PSI AND SYSTEM FLUID QUANTITY DROPPED TO O, SEE LOG PAGE 60983 REPEAT WRITE UP. REMOVED AND REPLACED A SYSTEM ACCUMULATOR, NR 1, NR 2, ENGINE HYDRAULIC PUMPS, IAW M/M 29-00, OPS CHECK NORMASDR EISA20000104Accumulator · lowAFTER 25 MINUTE OF FLIGHT A HYDRAULIC SYSTEM FLUID LEVEL WENT TO ZERO, BOTH PUMP LOW PRESSURE LIGHTS CAME ON. AIR TURN BACK TO ELP. REMOVED AND REPLACED A SYSTEM PUMP FILTERS, NO CONTAMINATION FOUND. REPLACED A SYSTEM ACCUMALATOR IAW M/M 29-00, OPS CHECK NOSDR CA000830044Accumulator · failed(CAN) 1.A/C JUST COMPLETED ROUTINE 100 HR PERIODIC INSP. 2. HYDRAULIC ACCUMULATOR REGULATOR ASSY REPL, DUE TO LEAKING ACCUMULATOR (INTERNAL). IT WOULD NOT STORE FLUID PRESSURE: O HR T.S.O. PART INST FUNCTION TESTS & P OST INSP CHECK FLT CARRIED OUT NO FAULT FOSDR CA000530004O-Ring · failed(CAN) NR 2 HYD QUANTITY REDUCED TO .5 QTS AND CAUTION LIGHT ILLUMINATED. O-RING ON UPPER PRESSURE SWITCH FAILED. PART REPLACED.SDR MALA000267Accumulator · failedAFTER TAKEOFF RECEIVED HYD MASTER CAUTION WITH GEAR INTRANSIT. PERFORMED MEMORY ITEMS AND NOTICED MAN ACCUM. PRESSURE LOW, EMERGENCY ACCUM NORMAL. HYDRAULIC ORH COMPLETED. NOTED HYD QUANTITY NORMAL AND MAIN ACCUMULATOR PRESSURE NORMAL. CONTINUED WITH HYD PSDR DL76L000246Actuator · leakingCENTER HYD SYS BEGAN SLOW LEAK. UNABLE TO ISOLATE LEAK WITH PUMPS. LEAK CONTINUED WITH ANY PUMP RUNNING. OBSERVED FLUID LEAKING OVER L INBOARD AILERON AND SPOILER JUST OUTBOARD OF INBOARD AILERON. ALTHOUGH FLUID LOSS, APPEARED TO STOP WITH ALL PUMPS OFF, FSDR HEEA064800Accumulator · leakingLEAKING ACCUMULATOR.SDR USAA069943Accumulator · rupturedSYSTEM 'B FAILURE EN ROUTE TO LGA. AS PER ABNORMAL, SAFETY WIRE BROKEN ON GPWS AND PNEUMATIC BRAKE. FOUND BRAKE ACCUMULATOR RUPTURED. REPLACED SAME PER MM 29-32-40. RESAFTIED GPWS SWITCH AND PNEUMATIC BRAKE HANDLE. BLED PNEUMATIC BRAKE LINE PER MM 32-43-0SDR HALA9900105Gcu · failedSFO - FLT 11 - BLOCK RETURN, NR 3 GEN OFF LIGHT ILLUMINATED, BEFORE TAKEOFF. ISSUED MEL 24-1 AUT NR 4-214C-B, GENERATOR CONTROL UNIT REPLACED APR 29, 99 HNL. (M)SDR 99UAL900147Pump · leakingINTERMITTENT GREEN HYD SYSTEM LOW ECAM WARNING. PRESSURE NORMAL AND NO FLUCTUATION. FOUND NR 1 ENGINE DRIVEN HYDRAULIC PUMP LEAKING. REPLACED PUMP PER MM29-11-51. LEAK AND OPS CHECKS GOOD.SDR 20000713SH015Accumulator · failedFOLLOWING TAKEOFF, GEAR WAS RETRACTED NORMALLY WHEN BOTH HYDRAULIC FLOW WARNING LIGHTS ILLUMINATED THE GEAR WAS IMMEDIATELY EXTENDED AND AN UNEVENTFUL LANDING WAS MADE. UPON INSPECTION, DISCOVERED THE HYDRAULIC ACCUMULATOR HAD BURST. THE DATE OF MFG ON THIS SDR HALA9800332Accumulator · malfunctionedFLT 167 - HNL - WITH AUX HYD PUJP OFF AND SELECTING RIGHT ENGINE HYD SYSTEM PRESSURE DROPS RAPIDLY TO BELOW 1500 PSI, THEN SLOWLY CONTINUES DOWN. INSPECTED RIGHT HYD SYSTEM ACCUMULATOR OPS AND LEAK CHECK GOOD. FOUND RIGHT HYD SYSTEM ACCUMULATOR CORRODED. (MSDR HEEA0015508Accumulator · leakingTAIL ROTOR ACCUMULATOR WILL NOT HOLD NITROGEN CHARGE.SDR C2XA98BT052Fitting · leakingEWR - CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT, GREEN HYDRAULIC LO-LEVEL LIGHT ILLUMINATED. MAINTENANCE FOUND LEAKING 'TEE' FITTING AT THE GREEN HYDRAULIC ACCUMULATOR. REMOVED AND REPLACED WITH SERVICEABLE UNIT. OPS CHECKED/LEAK CHECKED GOOD ON GEARSDR P5CA9800746Accumulator · failedBRAKE ACCUMULATOR LOWER CAP BROKEN OFF COMPLETELY. REMOVED AND REPAIRED BRAKE ACCUMULATOR PER MM 32-41-09. PRECHARGED ACCUMULATOR PER MM 12-15-09. SYSTEM TESTS NORMAL PER MM 32-41-00.SDR P5CA9800738Accumulator · rupturedDURING APPROACH, AFTER GEAR DOWN LOST NR 4 HYD SYSTEM, 0 BRAKE PRESSURE ON GUAGE. HYD BRAKE ACCUMULATOR RUPTURED, DAMAGE TRIM AIR DUCT, APU FUEL DRAIN LINE, HYD LINE DAMAGE.SDR 98ZZZX790Gauge · stuckACCUMULATOR PRESSURE GAUGE IS PART OF STC SA-4378-WP AVIADESIGN INC., HYDRAULIC LANDING GEAR RETRACTION SYSTEM. GAUGE SHOWED NEEDLE STUCK AT 250 PSI WITH ZERO PRESSURE ON SYSTEM DURING AIRCRAFT INSPECTION. SUBMITTER RECOMMENDED A BETTER QUALITY GAUGE BE USEDSDR HEEA0010324Accumulator · malfunctionKICK IN LATERAL CYCLIC WHEN PERFORMING HYDRAULIC CHECK. REPLACED WITH SERVICEABLE ACCUMULATOR.SDR 97ZZZX3837Accumulator · lost pressureTAIL ROTOR CONTROLS LOST ACCUMULATOR PRESSURE, FOUND VALVE STEM LOOSE. SUBMITTER STATED THIS HAS HAPPENED SEVERAL TIMES WITH ALL ACCUMULATORS (INCLUDING M/R) ON 3 DIFFERENT AIRCRAFT. SUBMITTER RECOMMENDS USING ACCUMULATOR WITH JAM NUT AND SHUT-OFF FOR VALVE SDR CA970609011Accumulator · leaking(CAN) HYDRAULIC ACCUMULATOR LEAKING HYDRAULIC FLUID AND WILL NOT HOLD PRESSURE.SDR CA970528023Diaphragm · burst(CAN) ACCUMULATOR DIAPHRAGM BURST.SDR CA970117003Accumulator · leaking(CAN) AFTER DEPARTURE AIRCRAFT HYDRAULIC PRESSURE DROPPED TO 400 PSI. PRESSURE DROP DUE TO ACCUMULATOR FAILURE. REPLACED.SDR 96ZZZX6135End Cap · blew offGAS END CAP BLEW OFF THE ASSY. DURING TEST, ON INSPECTION, FOUND PREVIOUS INTERNAL CRACK IN THE CIRCUMFERENCE ON THE I/D OF CAP. TEST BEING PERFORMED WAS PRELIMINARY BEFORE DISASSEMBLY.SDR CA960514103Accumulator · corroded(CAN) FOUND CORROSION PITTING ON CYLINDER FROM OUTSIDE TO INSIDE. PITTING APPROXIMATELY 1/8" DIAMETER.SDR 96ZZZM846Hyd Accumulator · failedMSDS - ON TAKEOFF ROLL, MAIN HYDRAULIC ACC EXPLODED CAUSING EXTENSIVE DAMAGE TO AIRCRAFT STRUCTURE AND SYSTEMS. TAKEOFF ABORTED. SUBMITTER STATES, PROBABLE CAUSE, MAIN HYDRAULIC ACCUMULATOR FAILURE.SDR 97ZZZX2482O-Ring · defectiveO-RING WAS BEING LUBRICATED PRIOR TO INSTALLATION WHEN A DEFECT WAS FELT. THE CROSS SECTIONAL AREA WAS REDUCED FOR .375 INCH IN A GRADUAL MANNER MAKING VISUAL DETECTION DIFFICULT. PART WAS APPARENTLY MANUFACTURED BY SWAN ENGINEERING.SDR SIMA960791Accumulator · leaksORD - FLT 4218 - SHORTLY AFTER TAKEOFF DURING CLIMB-OUT WITH GEAR AND FLAPS UP, THE GREEN SIDE HYDRAULIC LOW LEVEL INDICATION ILLUMINATED, AND REMAINED ON FOR THE ENTIRE FLIGHT. THE LANDING GEAR GRAVITY EXTENSION PROCEDURE WAS APPLIED DURING THE APPROACH AT TSDR 96ZZZX832Accumulator · leakWHEN SECURING THE AIRCRAFT, THE AUXILIARY HYDRAULIC SYSTEM WAS PRESSURIZED TO RETRACT THE SPEED BRAKE. WHEN EXITING THE PLANE, A PUDDLE OF HYDRAULIC FLUID WAS NOTICED UNDER THE LT WING INBOARD OF THE MLG. THE LEAK WAS TRACED TO THE UPLOCK ACCUMULATORS RELIEFSDR CA960325007Accumulator · failed(CAN)ACCUMULATOR WOULD NOT HOLD PRESSURE. FOLLOW-UP NOTED THAT FLUID WAS CONTAMINATED WITH BLACK DIRT.SDR DLL10954569Accumulator · crackedNOTICED C-SYSTEM HYDRAULIC QUANTITY BELOW ONE-FOURTH AND DECREASING. TURNED OFF C-SYSTEM PUMP S/O SWITCHED TO ATM. QUANTITY CEASED DECREASING, LOWERED LANDING GEAR MANUALLY, DOWN AND LOCKED. FOUND C-SYSTEM ACCUMULATOR CRACKED AND LEAKING. REPLACED ACCUMULSDR 95ZZZM730Reservoir Instl · req'd serviceFLT NR 417 - EYW-MIA - LANDING GEAR REQUIRED 3 CYCLES TO RETRACT. TROUBLESHOT SYSTEM. FOUND AND BLED AIR FROM HYD POWER PACK. SERVICED RESERVOIR. PERFORMED FUNCTIONAL CHECK. BLED AND OPS CHECKED NORMAL.SDR UPS204917Accumulator · leakingON DESCENT OUT OF 24,000 FEET 85 MILES NORTHWEST OF JAX, THE A-HYDRAULIC QTY GAUGE WENT TO ZERO. THE LEFT A-HYD LOW PRESSURE LIGHT CAME ON FOLLOWED BY THE RIGHT ONE. PILOT CALLED FOR THE A-HYDRAULIC LEAK OR LOSS CHECK LIST. MANUAL GEAR EXTENSION WAS INITIATSDR 95ZZZX6225Hyd Accumulator · low chargeMIA/FLL - FLT 470 - PILOT REPORT: LANDING GEAR DOES NOT RETRACT DURING TAKEOFF. MAINTENANCE SERVICED HYDRAULIC ACCUMULATOR. OPS CHECK GOOD, AIRCRAFT RELEASED.SDR SWIA95617Accumulator · failedWHEN RETRACTING THE LANDING GEAR AFTER TAKEOFF, BOTH HYD LIGHTS ILLUMINATED AND HYD PRESSURE DROPPED TO ZERO. RETURN FOR LANDING. AFTER EMERGENCY GEAR EXTENSION, FOUND THE HYD ACCUMULATOR CRACKED. REPLACED ACCUMULATOR. SERVICED SYSTEM. RAN LT AND RT ENGINSDR HEEA955377Accumulator · leakingLEAKING FROM WEEP HOLE. REPLACED WITH SERVICEABLE ACCUMULATOR.SDR 95ZZZX3154Accumulator · leaking'NR 3 HYDRAULIC SYSTEM HAS A LOUD NOISE WHEN PUMPS TURNED ON.' FOUND PRE-CHARGE ON ACCUMULATOR LOW. JACKED AIRCRAFT AND REPLACED ACCUMULATOR. REPLACED ACCUMULATOR AND SERVICED SYSTEM WITH FLUID. RETRACTED GEAR 5 CYCLES PER MM TO BLEED SYSTEM. SERVICED SYSSDR SWAA95286Hyd Pumps · malfunctionedIN FLIGHT, NUMBER 1 AND 2 ENGINE HYDRAULIC PUMPS INDICATED LOW PRESSURE, 'A' SYSTEM QUANTITY DISPLAYED ZERO. AIRCRAFT RETURNED TO SAT AND MADE AN UNEVENTFUL LANDING. AFTER LANDING, SYSTEM 'A' INDICATED 1.5 GAL AND BEFORE REACHING GATE, INDICATED 2.5 GAL. FO
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