# Service difficulty reports: JASC 2912

A list on [JASC 2912](https://openairdocs.org/jasc/2912.md).

Reports filed under 2912 · Hydraulic Filter, Main, newest first.

Page 1 of 5 · 201 reports

- [SDR DALA2026061003502](https://openairdocs.org/sdr/DALA2026061003502.md): Pressure Switch · faulted · Jun 9, 2026 · N604DN · Airbus A321271NX
  > SHIP 5104 - ATB - DUE TO #2 ENGINE HYD EDP LOW PRESSURE WARNING APPEARING DURING INITIAL CLIMB. CORRECTIVE ACTION: REPLACED FAILED #2 HYD EDP PRESSURE SWITCH 3074GD. (LP 9079806 - AIRCRAFT WAS GROUNDED)
- [SDR IPXA2025072832545](https://openairdocs.org/sdr/IPXA2025072832545.md): Filter · faulted · Jul 26, 2025 · N436UP · Boeing 75724APF
  > EMERGENCY DECLARED, LT HYD SYSTEM QTY AND SYSTEM PRESSURE LOST IN FLIGHT. LEFT ENG HYD PUMP AND LT ELECTIC PUMP SHUTOFF PER QRH FOR REMAINDER OF FLIGHT 45 MINTES. REMOVED AND REPLACED LT HYD RETURN FILTER MOD DPI PER AMM 29-11-15. OPS AND LEAK CHKD OK. AND
- [SDR HALA20250718220](https://openairdocs.org/sdr/HALA20250718220.md): Filter · inoperative · Jul 17, 2025 · N375HA · Airbus A330243
  > ETOPS - FOUND YELLOW ENGINE-PUMP CASE-DRAIN FILTER ASSY INOP. REMOVED AND REPLACED YELLOW ENGINE-PUMP CASE-DRAIN FILTER ASSY IAW AMM 29-13-43-000-804-A AND 29-13-43-400-804-A. LEAK CHECK GOOD. OK TO RETURN TO SERVICE.
- [SDR YENA2024120601530](https://openairdocs.org/sdr/YENA2024120601530.md): Electronic Unit · abnormal · Dec 5, 2024 · N2165J · Airbus A321271NX
  > FLT#1220, MIA-BOS. (ETOPS) 'BLUE PUMP CONTINUOUSLY RUNS; REMOVED AND REPLACED RELAY 2709GJ (N2 SPEED) PER FIM 29-12-00-810-810-A, OPS CHECKS GOOD.'
- [SDR CALA2024111901188](https://openairdocs.org/sdr/CALA2024111901188.md): Module · inoperative · Nov 17, 2024 · N37547 · Boeing 7379
  > THIS IS A LVL2 CHRONIC FOR ENG2 THR/REV LIMITED LIGHT ILLUM AT ENGINE START.. AHM LOGGING FAULT CODE 78-44273 THR/REV DCV STOW SOLENOID PWR UNAVAILABLE ENG2 EEC CHANNEL A/B.. PLZ PERF FIM 78-34 T813 FAULT ISOLATION WIRING CHKS.. REPAIR WIRING AS REQUIRED.. PER
- [SDR YENA2024060700844](https://openairdocs.org/sdr/YENA2024060700844.md): Pressure Switch · leaking · Jun 5, 2024 · N504JB · Airbus A320232
  > FLT#1243, EWR-PBI. (AIRCRAFT DIVERTED TO RDU) ' AT FL380 HAD MESSAGE HYD B RSVR LO LVL POST FLIGHT SHOWS LOTS H HYD FLUID AT AFT BELLY, POOLING ON GROUND; UPON INSPECTION FOUND BLUE HYD PRESSURE SWITCH LEAKING. REMOVED PRESSURE SWITCH IN REF TO A320 AMM 29-1
- [SDR YENA2023092201116](https://openairdocs.org/sdr/YENA2023092201116.md): Unknown · unknown · Sep 21, 2023 · N554JB · Airbus A320232
  > FLT#8587, JFK-MCN. (AIRCRAFT PERFORMED AN AIR TURN BACK TO JFK) 'HYD B RSVR LO LVL; FOUND JACK TRIM RETURN LINE LOOSE AND LEAKING FLUID. RESECURED LINE AND LEAK CHECK AS PER AMM 29-12-04. NO FURTHER DEFECTS NOTED.'
- [SDR CALA2023031700779](https://openairdocs.org/sdr/CALA2023031700779.md): Motor · defective · Mar 16, 2023 · N486UA · Airbus A320232
  > FLIGHT CREW REPORTS TO TOMC HYD B ELEC PUMP OVHT, HYD B SYS LO PR, C/W QRH ELEC PUMP OFF, OVHT MSG WENT OUT. VARGAS TOMC LOCKED BY TOMC UNLOCKED FOR CLEARING ACTION AT STATION R&R BLUE HYD ELEC PUMP IAW AMM 29-12-51 OPS CHECK GOOD NO LEAK NOTED AT THIS TIME OK
- [SDR HALA2023031000039](https://openairdocs.org/sdr/HALA2023031000039.md): Pump · failed · Mar 10, 2023 · N373HA · Airbus A330243
  > OTHER - GREEN HYD PUMPS SWITCHED OFF, CREW DECLARING EMER. #2 ENG G HYD PUMP OUTLET FITTING LEAKING. REPLACED #2 ENG DRIVEN HYD PUMP IAW AMM 29-11-51 OPS & LEAK CK GOOD.
- [SDR J7SA2023021600350](https://openairdocs.org/sdr/J7SA2023021600350.md): None · none · Feb 8, 2023 · N650FX · Gulstm GVI
  > DISCOVERED LEFT AND RIGHT-HAND HYDRAULIC PUMP CONNECTORS LOOSE FITTING AND BENT IN THE ENGINE DRIVEN HYDRAULIC PUMP. UPON REMOVAL, DISCOVERED CORROSION/DEBRIS IN THE ENGINE PUMP SIDE OF THE PLUGS AS WELL AS THE LOCKING FEATURE TOTALLY NONEXISTENT, AND PINS COR
- [SDR HALA2022072500134](https://openairdocs.org/sdr/HALA2022072500134.md): None · none · Jul 22, 2022 · N360HA · Airbus A330243
  > ETOPS - HYD FLUID FOUND LEAKING OUT OF #2 ENG ON PREFLIGHT // FLUID LEAKING FROM PUMP SIDE OF UNION OF OUTLET LINE. R + R GREEN EDP PER A330 AMM 29-11. ALL OPS CHECK GOOD + NO LEAKS NOTED. 5JR CYCLED. A/C OK FOR SVC. PUMP, HYDRAULIC OFF 33-2912-9-0002 S/N
- [SDR CALA2022050601161](https://openairdocs.org/sdr/CALA2022050601161.md): Accumulator · overserviced · May 6, 2022 · N454UA · Airbus A320232
  > LOWSPEED ABORT DUE TO BLUE HYD LO AIR PR ECAM VERBAL FROM CAPTAIN: THERE WAS NOT "HYD B RSVR LO AIR PR" MSG. T/S PER TSM 29-12-00-810-801A FOUND BLUE SYS OVERSERVICED AND ACCUMLATOR PRESS LOW. SERVICED ACCUMLATOR AND DRAINED RES IAW AMM 29-10-00-680-003A AND
- [SDR CALA2022050601155](https://openairdocs.org/sdr/CALA2022050601155.md): None · leaking · May 5, 2022 · N406UA · Airbus A320232
  > HYD B RSVR LO LVL DISPLAY ON ECAM. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN MAC METER INITIATED FOR WITH VENDOR ID V936927 SYSTEM LEVEL AND FOUND TO BE WITHIN LIMITS. PLEASE CONTACT TOMC BEFORE COMMENCING AN
- [SDR HALA2022040700087](https://openairdocs.org/sdr/HALA2022040700087.md): None · none · Apr 6, 2022 · N378HA · Airbus A330243
  > ETOPS - #2 ENG GREEN HYD PUMP LEAKING // REPLACED PUMP REF AMM 29-11-51-400-805-A. CHECKS OK. PUMP, HYDRAULIC OFF 33-2912-9-0002 S/N 40687 ON 33-2912-9-0002 S/N 30793
- [SDR HALA2022030700070](https://openairdocs.org/sdr/HALA2022030700070.md): None · none · Mar 5, 2022 · N383HA · Airbus A330243
  > ETOPS - ON PDC FOUND YELLOW HYDRAULIC EDP LEAKING FROM CASE.// REMOVED YELLOW HYDRAULIC EDP PER AMM 29-13-51-000-802-A. INSTALLED YELLOW HYDRAULIC EDP PER AMM 29-13-51-400-802-A UP TO STEP 4.E. NEED TO CONTINUE ON STEP 4.F.(EMP# 2087927) OPS CHECK ARE GOOD,
- [SDR AWKA20220226001](https://openairdocs.org/sdr/AWKA20220226001.md): None · none · Feb 20, 2022 · N545XJ · Bombdr BD1001A10
  > WHILE AT ALTITUDE, FLIGHT CREW RECEIVED A CYAN "R ENG HYD PUMP FAIL" CAS MESSAGE AND 0% QUANTITY SHOWING ON THE RH HYDRAULIC SYSTEM. CREW RAN THE APPROPRIATE CHECKLIST AND DECLARED AN EMERGENCY WITH ATC. AFTER CONSULTING WITH MX CONTROL, THE DECISION WAS MADE
- [SDR DALA2022022301201](https://openairdocs.org/sdr/DALA2022022301201.md): None · none · Feb 20, 2022 · N544US · Boeing 757251
  > SHIP 5644 -MISC/DE- DUE TO LOSS OF THE RIGHT HYDRAULIC SYSTEM QUANTITY. CORRECTIVE ACTION: FOUND RIGHT ENGINE DRIVEN PUMP DPI LEAKING. REPLACED EDP PRESSURE FILTER DPI, PRESSURE AND CASE DRAIN FILTERS, ACMP PRESSURE AND CASE DRAIN FILTERS. LEAK CHECKED THE SYS
- [SDR A6WA202202178107](https://openairdocs.org/sdr/A6WA202202178107.md): None · none · Feb 17, 2022 · N461AW · Cndair CL6002B19
  > HYD SYSTEM 3 LO PSI INFLIGHT. SYNOPTIC PAGE SHOWED 0 QUANTITY AND 0 PSI WITH EITHER 3A OR 3B PUMPS RUNNING. HYD LEAK NOTED DURING WALK AROUND. NO OTHER HYD3 CAUTION MESSAGES DISPLAYED. ****AIRCRAFT REMOVED FROM SERVICE*** REF 345081/1, 345081/2, 3450
- [SDR AALA202202031249](https://openairdocs.org/sdr/AALA202202031249.md): Filter · dirty · Feb 2, 2022 · N406AN · Airbus A321253NX
  > FLIGHT DIVERTED TO CLT ON ACCOUNT OF YELLOW HYDRAULIC ISSUE. FLIGHT DECLARED AN EMERGENCY. FLIGHT WAS NOT OVERWEIGHT FOR LANDING. FLIGHT LANDED SAFELY AND IS BEING TOWED TO THE GATE. DUE TO YELLOW HYDRAULIC SYSTEM RESERVOIR LOW LEVEL, ENGINE 2 PUMP LOW, AND Y
- [SDR HALA2021120100179](https://openairdocs.org/sdr/HALA2021120100179.md): Pump · leaking · Nov 29, 2021 · N399HA · Airbus A330243
  > ETOPS - ON WALKAROUND, FOUND #1 ENG GREEN SYS ENGINE DRIVEN PUMP LEAKING // REMOVED #1 ENG GREEN SYS ENGINE DRIVEN PUMP PER AMM 29-11-51. 29 NOV 21 1533630 INSTALLED NEW GREEN SYSTEM EDP ON #1 ENG PER AMM 29-11-51. OPS AND LEAK CHECK OK. OK FOR SVC. PUMP, HYD
- [SDR CALA2021111102093](https://openairdocs.org/sdr/CALA2021111102093.md): Pump · inoperative · Nov 11, 2021 · N401UA · Airbus A320232
  > CREW REPORTS HYD B RES LO LVL MESSAGE WITH INDICATION OF BLUE HYDRAULIC SYSTEM BEING EMPTY. LOCKED BY TOMC MGR DUE TO EMERGENCY DECLARED FOR LANDING. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN CHECK RESERVOIR AND OTHER BLUE HYDRAULIC SYSTEMS. ITEM UNLOCKED T
- [SDR SWAA2020033134537](https://openairdocs.org/sdr/SWAA2020033134537.md): Filter · faulty · Mar 27, 2020 · N8326F · Boeing 7378H4
  > 'A' ENG HYD LOW PRESS ILLUMINATED AT TOP OF CLIMB. AT GATE A HYD QTY DROPPED TO 21% / R/R 'A' SYSTEM EDHP ISSUE #2844446 IAW AMM 24-11-11. INSPECTED AND REPLACED 'A' SYSTEM CASE DRAIN FILTER IAW AMM 29-11-51. INSPECTED AND REPLACED 'A' SYSTEM EHDP CASE DRAIN F
- [SDR 145Y2020070700000](https://openairdocs.org/sdr/145Y2020070700000.md): Filter · sheared · Feb 7, 2020 · N427UP · Boeing 75724APF
  > ON DESCENT TO AIRPORT OF "PRG" RECEIVED "L HYD PRESS" MSG AND " SYS PRESS" LIGHT. LEFT HYD QTY WAS 0. WHEN EXTENDING TRAILNG EDGE FLAPS. A DIAGREE WAS RECEIVED WHEN ALTERNATE FLAP EXTENSION WAS USED THE MSG WENT OUT BUT THE MESSAGE "LE SLAT DISAGREE" MESSAG
- [SDR HALA2019093000388](https://openairdocs.org/sdr/HALA2019093000388.md): Filter · popped · Sep 27, 2019 · N378HA · Airbus A330243
  > ETOPS SIGNIFICANT SYSTEM - FOUND BLUE RESERVOIR LP FILTER POPPED. // REMOVED AND REPLACED BLUE SYSTEM LP FILTER PER AMM 29-12-44-400-801-A, COMPLETED AMM 29-12-44-400-801-A. OPS & LEAK CHECK GOOD, OK FOR SVC.
- [SDR IPXA2019071544458](https://openairdocs.org/sdr/IPXA2019071544458.md): Filter · faulty · Jul 14, 2019 · N313UP · Boeing 76734AF
  > INSPECTION TYPE:N/AEMERGENCY DECLARED - DURING CRUISE C HYD SYS MAINT STATUS MESSAGE ILLUMINATED.R/R RETURN FILTER IAW MM 29-11-16. NO HELP. R/R CENTER SYS ADP PRESSURE/CD FILTER MODULE IAW 29-11-19. SYS OPS CK GOOD.
- [SDR SWAA2019052232910](https://openairdocs.org/sdr/SWAA2019052232910.md): Filter · leaking · May 21, 2019 · N7879A · Boeing 7377K9
  > DECLARED EMERGENCY, GOT ENGINE DRIVEN B SIDE HYDRAULIC PRESSURE LIGHT. THEN SHOWED "0" QUANTITY BUT WAS STILL PRESSURIZED TO 2930 PSI. AFTER SOMETIME GOT ELECTRIC PUMP LIGHT AND "0" PRESSURE FOR A TOTAL B SIDE HYDRAULIC FAILURE. R&R "B" ELECTRIC MOTOR DRIVEN P
- [SDR SWAA2019011428410](https://openairdocs.org/sdr/SWAA2019011428410.md): Filter · defective · Jan 13, 2019 · N8571Z · Boeing 7378H4
  > AIR TURNBACK, A HYDRAULIC SYSTEM LOW PSI AND QTY REDUCTION AFTER TAKEOFF. R&R HYDRAULIC CASE DRAIN FILTER PER MM.
- [SDR CALA2019011300069](https://openairdocs.org/sdr/CALA2019011300069.md): Filter · broken · Jan 10, 2019 · N12116 · Boeing 757224
  > LOST LEFT HYDRAULICS SYSTEM QUANTITY AND PRESSURE AFTER TAKEOFF FOUND LEFT SYSTEM PRESSURE MODULE FILTER BROKEN OFF IN PYLON. PER CREW VIA TOMC MGR HYD QTY WENT DOWN TO.03 AND PRESSURE WAS GOOD NEVER WENT TO 0 THE EDP REF AMM 29-11-17-004-001 REMOVED LT PYLON
- [SDR SWAA2018073023869](https://openairdocs.org/sdr/SWAA2018073023869.md): Filter · clogged · Jul 28, 2018 · N8533S · Boeing 7378H4
  > DIVERSION, NR 2 ENGINE DRIVEN HYDRAULIC PUMP LOW PRESSURE LIGHT IN FLIGHT. R&R FILTER PER MM.
- [SDR UIEA2017081901507](https://openairdocs.org/sdr/UIEA2017081901507.md): Fire Loop · false indication · Aug 19, 2017 · N1093A · Boeing 76736N
  > APU FIRE LOOP 2 MESSAGE. REMOVED AND REPLACED APU FIRE LOOP 2. OPS CHECKED GOOD.
- [SDR SWAA2017061314338](https://openairdocs.org/sdr/SWAA2017061314338.md): Filter · faulty · Jun 11, 2017 · N620SW · Boeing 7373H4
  > AIR TURNBACK/DECLARED EMERGENCY, ON TAKEOFF HYDRAULIC A SYSTEM FAILED. R&R A SYSTEM EDGE CASE DRAIN FILTERS PER AMM.
- [SDR HALA2017050300110](https://openairdocs.org/sdr/HALA2017050300110.md): O-Ring · damaged · May 3, 2017 · N581HA · Boeing 76733A
  > FOUND HYDRAULIC FLUID LEAKING FROM LEFT ENGINE PYLON COMMON DRAIN. FOUND HYDRAULIC LEAK ON LEFT ENGINE RETURN FILTER MODULE DPI. REMOVED DPI AND REPLACED DAMAGED O-RINGS PER AMM 29-11-15 LEAK CKS GOOD. SERVICED HYDRAULIC FLUID LEVELS TO FULL PER AMM 12-12-01.
- [SDR DALA2017031702180](https://openairdocs.org/sdr/DALA2017031702180.md): Indicator · missing · Mar 16, 2017 · N913DL · Doug MD88
  > RIGHT HYDRAULIC SYSTEM PRESSURE/QUANTITY LOSS REQUIRED USE OF ALTERNATE GEAR EXTEND PER QRH. MAINTENANCE FOUND THE RIGHT ENGINE DRIVEN HYDRAULIC PUMP PRESSURE SIDE FILTER MODULE DIFFERENTIAL PRESSURE INDICATOR (DPI) MISSING. RETAINING SCREWS SHEARED FROM MODUL
- [SDR JIKA2016102101](https://openairdocs.org/sdr/JIKA2016102101.md): Filter Housing · cracked · Oct 21, 2016 · N3548B · Piper PA31350
  > ON APPROACH TO KFMN THE PILOT SELECTED THE LANDING GEAR TO THE DOWN POSITION AND DID NOT RECEIVE A THREE GREEN DOWN AND LOCKED INDICATION. THE PILOT NOTIFIED THE TOWER AND PERFORMED A GO AROUND. THE PILOT FOLLOWED THE LANDING GEAR EMERGENCY EXTENSION PROCEDU
- [SDR 9JLA201610209211](https://openairdocs.org/sdr/9JLA201610209211.md): Filter Housing · defective · Jul 28, 2016 · N104LW · Cessna 525
  > MAINTENANCE TECH HAD NOTED HYDRAULIC LEAKAGE FROM THE INLET SIDE FITTING OF THE PRESSURE FILTER MANIFOLD. THE BACKUP RING AND O-RING WAS REPLACED IN AN EFFORT TO STOP LEAKAGE, BUT AFTER A FEW TRIPS THE LEAKAGE REAPPEARED. A SECOND ATTEMPT TO STOP THE LEAKAGE
- [SDR UIEA2016063000552](https://openairdocs.org/sdr/UIEA2016063000552.md): Filter · defective · Jun 27, 2016 · N648GT · Boeing 76733AER
  > C HYD PUMPS OVERHEAT, ALL C HYD PUMPS GOT OVERHEATED, THEN ELECT 1, ELEC 2 AFTER THAT, C HYD PRESSURE STARTED TO SURGE AND DROPPED TO "0". ADP FILTER MODULE REPLACED IAW MM 29-11-03.
- [SDR JIKA2016013104](https://openairdocs.org/sdr/JIKA2016013104.md): Filter Housing · cracked · Jan 28, 2016 · N35805 · Piper PA31350
  > ON APPROACH, THE PILOT SELECTED THE LG HANDLE TO THE EXTEND POSITION, THE LG DID NOT EXTEND. THE PILOT TRIED TO CYCLE THE LG WITH THE SAME RESULTS. THE PILOT PERFORMED THE EMER LG EXTENSION PROCEDURES & RECEIVED THREE GREEN DOWN & LOCKED INDICATION. THE PIL
- [SDR CA151211001](https://openairdocs.org/sdr/CA151211001.md): Filter · leaking · Dec 9, 2015 · Bombdr DHC8400
  > (CAN) NR 1 HYD QTY DROPPED TO ZERO DURING DESCENT. AS THEY NEARED THE DESTINATION AIRPORT A PAN CALL WAS MADE. TOTAL LOSS OF NR 1 HYD SYSTEM CONTENTS, CONFIRMED LEAK FROM THE NR 1 PRESSURE MANIFOLD.
- [SDR USAA2014072500008](https://openairdocs.org/sdr/USAA2014072500008.md): Filter · restricted · Jul 24, 2014 · N542UW · Airbus A321231
  > AIRCRAFT RETURNED TO FIELD & PILOT DECLARED AN EMER DUE TO YELLOW HYD SYS OVERHEAT AFTER DEPARTING. RETURNED FOR PRECAUTIONARY LANDING. SERVICED YELLOW HYD SERVER IAW MM 12-12-29 & REPLACED NR 2 ENG YELLOW HYD SYS PUMP HP FILTER IAW AMM 29-13-45. RAN NR 2 E
- [SDR JIKA2014070901](https://openairdocs.org/sdr/JIKA2014070901.md): Filter Housing · cracked · Jul 9, 2014 · N3527D · Piper PA31350
  > ON APPROACH PILOT SELECTED THE LG TO THE EXTEND POSITION, PILOT DID NOT RECEIVE THE THREE GREEN INDICATOR LIGHTS INDICATING THE LG WAS DOWN & LOCKED. PILOT DECIDED TO PERFORM A MANUAL EXTENSION OF THE LG, PILOT RECEIVED THREE GREEN INDICATOR LIGHTS & DIVERTED
- [SDR EPUA2014062214001](https://openairdocs.org/sdr/EPUA2014062214001.md): Bowl · cracked · Jun 22, 2014 · N4501B · Piper PA31350
  > LANDING GEAR DID NOT EXTEND NORMALLY, PILOT HAD TO UTILIZE EMER GEAR EXTENSION PROCEDURE. THE RT SIDE HYD FILTER BOWL HAD CRACKED & WAS LEAKING FLUID. AFFECTED BOWL WAS REPLACED & OPERATIONALLY CHECKED GOOD.
- [SDR JIKA2014061801](https://openairdocs.org/sdr/JIKA2014061801.md): Filter Housing · cracked · Jun 18, 2014 · N961CA · Piper PA31350
  > ON APPROACH THE PILOT SELECTED GEAR DOWN WITH NO MOVEMENT OF THE LG. THE PILOT ATTEMPTED TO CYCLE THE LG WITH THE SAME RESULTS. PERFORMED AN EMER EXTENSION OF THE LG & RECEIVED THREE DOWN & LOCKED INDICATION. PILOT LANDED WITHOUT FURTHER INCIDENT. TROUBLESH
- [SDR AALA20140525009](https://openairdocs.org/sdr/AALA20140525009.md): Filter · failed · May 25, 2014 · N608AA · Boeing 757223
  > HNL CREW REPORTED RT HYD SYS QTY LOSS INDICATION. EMERGENCY LANDING WAS DECLARED FLIGHT LANDED HNL WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED RT HYD FILTER MODULE. SYS GND CHECKED NORMAL.
- [SDR SWAA2014051427920](https://openairdocs.org/sdr/SWAA2014051427920.md): Filter · faulty · May 9, 2014 · N993AT · Boeing 717200
  > RIGHT HYD QTY WENT TO 0 ON DECENT INTO MSP, RT HYD PRESS ALSO TO 0. R & R RT HYD FILTER ASSEMBLY IAW MM.
- [SDR EPUA20140320001](https://openairdocs.org/sdr/EPUA20140320001.md): Bowl · cracked · Mar 19, 2014 · N35497 · Piper PA31350
  > LANDING GEAR WOULD NOT COME DOWN. PILOT HAD TO USE THE EMERGENCY GEAR EXTENSION HAND PUMP IN ORDER TO EXTEND THE GEAR TO THE DOWN & LOCKED POSITION. DETERMINED THAT THE LT HYD FILTER BOWL HAD DEVELOPED A CRACK & WAS LEAKING HYD FLUID. AFFECTED BOWL WAS REPL
- [SDR CWQR20131203049](https://openairdocs.org/sdr/CWQR20131203049.md): Filter Element · mismanufactured · Dec 3, 2013 · N313QS · Cessna 680CE
  > DURING A SCHEDULED INSPECTION WE TRIED TO INSTALL A NEW FILTER ELEMENT. THE ELEMENT WOULD NOT SIT INTO THE BOTTOM OF THE FILTER HOUSING BOWL. THE FILTER WAS REJECTED & RED TAGGED BY THE TECHNICIAN & RETURNED TO THE MATERIALS DEPARTMENT. WE HAD IN THE PAST R
- [SDR CALA2013111392909](https://openairdocs.org/sdr/CALA2013111392909.md): Filter · dirty · Nov 13, 2013 · N549UA · Boeing 757222
  > CTR RETURN FILTER DIFFERENTIAL PRESSURE INDICATOR EXTENDED. R & R CTR RETURN FILTER IAW AMM, LEAK CHECKED GOOD.
- [SDR A6WA201304014865](https://openairdocs.org/sdr/A6WA201304014865.md): Mount · cracked · Mar 29, 2013 · N413 · Cndair CL6002B19
  > NR 2 HYD SYSTEM O/B CASE DRAIN FILTER MOUNT IS CRACKED. REMOVED UNSERVICEABLE NR 2 HYD SYSTEM O/B CASE DRAIN FILTER MOUNT AND REPLACED WITH SERVICEABLE MOUNT IAW CRJ 200 SRM 51-40-11, 51-42-06 AND 51-42-21.
- [SDR AALA20130326010](https://openairdocs.org/sdr/AALA20130326010.md): Filter Housing · cracked · Mar 26, 2013 · N591AA · Doug DC983
  > DFW - CREW REPORTED LOSS OF RIGHT HYDRAULIC SYSTEM DURING CLIMBOUT. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT ENGINE DRIVEN PUMP FILTER HOUSING THAT WAS CRACKED. SYSTEM GROUND CHECK NORMAL
- [SDR SIMA20130319005](https://openairdocs.org/sdr/SIMA20130319005.md): Filter · leaking · Mar 19, 2013 · N537EA · Cndair CL6002C10
  > ON FLIGHT 3709 THE CREW REPORTED THAT APPROXIMATELY 10 MINUTES BEFORE LANDING THEY RECEIVED A HYD 1 LO PRESS EICAS MESSAGE. THE CREW COMPLIED WITH CHECKLIST, DECLARED A PRECAUTIONARY EMERGENCY AND LANDED WITHOUT INCIDENT. THE HYDRAULIC SYSTEM PAGE REVEALED 0

Next page: https://openairdocs.org/jasc/2912/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = '2912'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2912/reports

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