# Service difficulty reports: JASC 2931

A list on [JASC 2931](https://openairdocs.org/jasc/2931.md).

Reports filed under 2931 · Hydraulic Pressure Indicator, newest first.

Page 1 of 4 · 160 reports

- [SDR AALA202602237514](https://openairdocs.org/sdr/AALA202602237514.md): Gauge · defective · Feb 21, 2026 · N459AN · Airbus A321253NX
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARD INBOUND INTO LAX DUE TO THE FLIGHT CREW REPORTING THAT ON DESCENT AN ECAM FOR YELLOW HYDRAULIC RESERVOIR LOW LEVEL DISPLAYED. THE AIRCRAFT LANDED SAFELY AT LAX AND WAS TOWED TO THE GATE. MAINTENANCE REPLACED THE
- [SDR DALA2025111008218](https://openairdocs.org/sdr/DALA2025111008218.md): Transmitter · leaking · Nov 8, 2025 · N397DA · Boeing 737832
  > SHIP 3727 -HYD/DE- DECLARED EMERGENCY DUE TO LEFT ENGINE HYDRAULIC PRESSURE LOW LIGHT ILLUMINATED. FOUND 'A' HYDRAULIC SYSTEM PRESSURE TRANSMITTER ON HYDRAULIC SYSTEM PRESSURE MODULE LEAKING. REPLACED PRESSURE TRANSMITTER. OPS CHECK, LEAK CHECK GOOD.
- [SDR UIEA2024070800598](https://openairdocs.org/sdr/UIEA2024070800598.md): Indicator · faulted · Jul 8, 2024 · N1709A · Boeing 767375
  > CENTER HYD SYSTEM PRESSURE EICAS. CENTER HYD QUANTITY DROPPED.04. PERFORMED ALTN GEAR EXTENSION(<P>REMOVED & REPLACED HYDRAULIC PRESSURE INDICATOR ASSY FOR CENTER HYDRAULIC IPC REF. 29-11-17-01. OPS CHECK GOOD. NO LEAKS NOTED AS PER B767-300 AMM 29-11-18-00
- [SDR IPXA2023011890027](https://openairdocs.org/sdr/IPXA2023011890027.md): Indicator · leaking · Jan 17, 2023 · N436UP · Boeing 75724APF
  > EMERGENCY DECLARED, RT HYD QTY EICAS INFLIGHT SLOW LOSS OF QTY THEN RT HYD SYS PRESS EICAS. SYS PRESS AND RSVR LGIHTS ON OVERHEAD. RAN CHECKLIST FLAP 20 LANDING LOWEST QTY OBSERVED WAS.08FOUND RIGHT HYD DIFF PRESSURE INDICATOR LEAKING. SERVICED RIGHT HYD S
- [SDR CALA2022121203368](https://openairdocs.org/sdr/CALA2022121203368.md): Line · loose · Dec 12, 2022 · N458UA · Airbus A320232
  > GREEN HYD QTY LOW SERVICED GREEN SYSTEM HYD. OPERATED HYD SYSTEM FOR LEAK CHECK. NO LEAKS NOTED. RAN #1 ENGINE AND FOUND SUPPLY LINE ON EDP LOOSE. SECURED LINE AND NO LEAKS NOTED AT THIS TIME.
- [SDR HALA2022082900251](https://openairdocs.org/sdr/HALA2022082900251.md): None · none · Aug 28, 2022 · N384HA · Airbus A330243
  > ATB - G HYD LEAK MESSAGE SHUT DOWN BOTH ENGINE PUMPS PER EICAM, G HYD LOW LEVEL. PERFORMED BITE TEST OF HSMU PER A330 29-31-00 FAULTED G HYD QTY XMTR G ENG 1PMP/ AND HSMU. PERFOMRED OPS CHK OF AUTOMATIC CONROL OF FIRE SHUT OFF FOR LOW LEVEL ON GREEN SYSTEM P
- [SDR DALA2022081605542](https://openairdocs.org/sdr/DALA2022081605542.md): None · none · Aug 13, 2022 · N198DN · Boeing 767332
  > SHIP 198 -ATB- DUE TO CENTER HYDRAULIC SYSTEM PRESSURE LOW EICAS MESSAGE AND ASSOCIATED LIGHT ILLUMINATED. HYDRAULIC PUMP PRESSURES AND SYSTEM QUANTITY NORMAL. CORRECTIVE ACTION: REPLACED CENTER HYDRAULIC SYSTEM LOW PRESSURE SWITCH AND PACKING. (9011065)
- [SDR SWIA202265985](https://openairdocs.org/sdr/SWIA202265985.md): None · failed · Jul 3, 2022 · N730SK · Cndair CL6002C10
  > ON APPROACH WE RECEIVED A HYDRO 3 FAILURE. SYNOPTIC PAGE SHOWS NO FLUID IN SYSTEM 3. RAN QRH AND LANDED UNEVENTFULLY. (FLIGHT 3076 - FILED CLOSED) DURING TROUBLESHOOTING OF CAUSATION FOR LOSS OF FLUID IN HYDRAULIC SYSTEM 3 IT WAS FOUND THAT THE RETRACT HO
- [SDR UIEA2022061300599](https://openairdocs.org/sdr/UIEA2022061300599.md): Pressure Sensor · inoperative · Jun 13, 2022 · N664GT · Boeing 76731B
  > CENTER HYDRAULIC PRESSURE INDICATOR INOP. REMOVED AND REPLACED CENTER HYDRAULIC PRESSURE TRANSMITTER IAW AMM 29-31-01. OPS CHECK PASSED, SYSTEM OK AT THIS TIME.
- [SDR CALA2022061001479](https://openairdocs.org/sdr/CALA2022061001479.md): None · leaking · Jun 10, 2022 · N429UA · Airbus A320232
  > ECAM CAUTION MESSAGE - Y ENG PUMP LO PR MESSAGE INOP - HYD REPLACED PTU MANIFOLD QUICK DISCONNECT FITTING O-RING M&E SERVICED YELLOW STSTEM HYD. 40-0595-3-1983, LEAK CHECK OK, MOTOR ENGINE PUMP PRESSURE NORMAL, CHECK ALL DPI AT FILTERS OK REF AMM 29-00-00-28
- [SDR DALA2022053103751](https://openairdocs.org/sdr/DALA2022053103751.md): Pressure Switch · leaking · May 29, 2022 · N668DN · Boeing 757232
  > SHIP 668 - ATB - DUE TO THE LOSS OF HYD PRESSURE ON THE RT ENG. CORRECTIVE ACTION: INSPECTED FOR ANY LEAKS AND CHECKED THE RIGHT HYD QUANTITY. REPLACED RT HYD SYSTEM PRESSURE SWITCH.
- [SDR DALA2022040602382](https://openairdocs.org/sdr/DALA2022040602382.md): Hydraulic System · warning light · Apr 5, 2022 · N913DU · Boeing 737900ER
  > SHIP 3913 -ATO- DISCONTINUED TAKE OFF DUE TO A HYD SYS EDP LOW PRESSURE LIGHT ILLUMINATING. CORRECTIVE ACTION: INSPECTED EDP, FILTERS AND ASSOCIATED PLUMBING NTF AND OPS CHECKED NORMAL. AS A PRECAUTION, REPLACED ASSOCIATED HOSES, BLED THE SYSTEM AND OPS CHECKE
- [SDR CALA2022021600406](https://openairdocs.org/sdr/CALA2022021600406.md): Reservoir · low · Feb 16, 2022 · N457UA · Airbus A320232
  > *EMERGENCY* Y RSVR LO LVL DISPLAYED ON UPPER ECAM SCREEN. - HYD ECAM HYD Y RSVR LO LVL CREW REPORTS NO ALTERNATE EXTEND REPLACED YELLOW SYSTEM LOW LEVEL SWITCH PER AMM 29-13-41. ECAM MESSAGE CLEARED NO FURTHER ISSUES ADD EMP:U377618 ROTABLE PARTS CHANGE WAS IN
- [SDR P5CA2021113000430](https://openairdocs.org/sdr/P5CA2021113000430.md): Indicator · none · Nov 30, 2021 · N643GT · Boeing 7673JHF
  > LEFT HYDRAULIC SYSTEM PRESSURE LOSS AFTER TAKEOFF.(<P>T/S SYS. FOUND DIFFERENTIAL PRESS. POPOUT IND. AT LEFT EDP CASE DRAIN MODULE SHEARED OFF. REMOVED AND REPLACED DIFF. POPOUT INDICATOR IAW AMM 29-11-17. LEAK CHECKS OK.</P>)
- [SDR CALA2021112902195](https://openairdocs.org/sdr/CALA2021112902195.md): Pump · inoperative · Nov 29, 2021 · N485UA · Airbus A320232
  > ECAM CAUTION MESSAGE - G ENG PUMP LO PR MESSAGE INOP - HYD REMOVED AND REPLACED #1 ENG HYD PUMP IN REF TO AMM 29-11-51-400-010-A. OPS AND LEAK CHECK PASSED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1003828 SN OFF 8654 PUMP, HYDRAULIC OFF 31-2914-9-9003 865
- [SDR UIEA2021030700483](https://openairdocs.org/sdr/UIEA2021030700483.md): Indicator · malfunctioned · Mar 7, 2021 · N1093A · Boeing 76736N
  > L HYD LOW IN FLIGHT, L HYD PRIMARY PUMP EICAS IN FLIGHT.(<P>FOUND DIFFERENTIAL PRESSURE INDICATOR LEAKING HYD FLUID. REMOVED AND INSPECTED CASE DRAIN FILTER FOR METAL, NO METAL FOUND. REPLACED FILTER IAW 29-11-17. NSN, P/N OFF: 654T0035-3.</P><P>ITEM 2: REMOVE
- [SDR DALA2021030301205](https://openairdocs.org/sdr/DALA2021030301205.md): Pressure Switch · faulted · Feb 27, 2021 · N817NW · Airbus A330323
  > SHIP 3317 -DE- CREW DECLARED EMERGENCY DUE TO YELLOW HYDRAULIC SYSTEM LOW PRESSURE. CORRECTIVE ACTION: REPLACED YELLOW SYSTEM PRESSURE SWITCH, YELLOW EDP PRESSURE SWITCH AND HSMU.
- [SDR RU3A20191219078](https://openairdocs.org/sdr/RU3A20191219078.md): Indicator · false indication · Dec 17, 2019 · N15 · Beech C90GTI
  > HYDRAULIC FLUID LOW ILLUMINTAED. INDICATOR REPLACEMENT RESOLVED THIS ISSUE. NOTE: REPAIR WORK PERFORMED UNDER RAPAIR STATION CERTIFICATE UA2R206L.
- [SDR AALA201909239028](https://openairdocs.org/sdr/AALA201909239028.md): Indicator · unreliable · Sep 20, 2019 · N960NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: PILOT REPORTS ON TAKEOFF DURING LDG GEAR RETRACTION BOTH ENG AND ELEC HYD SYS A LOW PRESSURE LTS ILLUMINATED WITH MASTER CAUTION FLT CONT & HYD ANNUNCIATED. MAINTENANCE REMOVED AND REPLACED A/B HYD SYSTEMS AIR PRESSURE GUAGE. REMOVED AND
- [SDR CHIA201905213938](https://openairdocs.org/sdr/CHIA201905213938.md): Pressure Gauge · faulty · May 21, 2019 · N246CH · Boeing 234
  > IN CRUISE FLIGHT UTILITY HYDRAULIC PRESSURE STARTED TO DECREASE BELOW OPERATING LIMITS. FOLLOWED THE EMERGENCY CHECKLIST AND LANDED AT THE NEAREST FOB WITH NO FURTHER INCIDENT.
- [SDR CHIA201904283889](https://openairdocs.org/sdr/CHIA201904283889.md): Pressure Gauge · faulty · May 21, 2019 · N246CH · Boeing 234
  > IN CRUISE FLIGHT UTILITY HYDRAULIC PRESSURE STARTED TO DECREASE BELOW OPERATING LIMITS. FOLLOWED THE EMERGENCY CHECKLIST AND LANDED AT THE NEAREST FOB WITH NO FURTHER INCIDENT.
- [SDR ANCF2019031701](https://openairdocs.org/sdr/ANCF2019031701.md): Hydraulic System · low pressure · Mar 17, 2019 · N342AV · Airbus A330243
  > GREEN HYDRAULIC SYSTEM LO PRESS DURING LANDING. PENDING CORRECTIVE ACTIONS.
- [SDR A6WA2018101246109](https://openairdocs.org/sdr/A6WA2018101246109.md): Warning System · activated · Oct 10, 2018 · N443AW · Cndair CL6002B19
  > OUT OF 15,000FT IN DECENT RECEIVED DYD 1 LO PRESS CAUTION C/W QRH PROBLEM DID NOT RESOLVE. PRESSURE WENT FROM 1800PSI TO 500PSI IN 2 MINUTES. TURNED ACMP OFF, PUMP RAN FOR APPROX 3 MINUTES. EDP RAN FOR APPROX 15 MINUTES AT LO PRESS.
- [SDR MASA2018101011437](https://openairdocs.org/sdr/MASA2018101011437.md): Warning System · activated · Oct 9, 2018 · N923FJ · Cndair CL6002D24
  > HYD 3 LOW PRESS CAUTION.
- [SDR FDEA201809112441](https://openairdocs.org/sdr/FDEA201809112441.md): O-Ring · damaged · Sep 11, 2018 · N960FD · Boeing 757236
  > LT HYD QTY EICAS MSG INFLT ON FINAL FOUND O-RING DAMAGED ON DIFFERENTIAL PRESSURE INDICATOR AT LEFT PYLON FILTER MODULE. REMOVED AND REPLACED BOTH O-RINGS AND SERVICED LEFT SYSTEM RESERVOIR REF AMM 29-11-17-4. A/C OK FOR SERVICE.
- [SDR FDEA201805241313](https://openairdocs.org/sdr/FDEA201805241313.md): Transducer · leaking · May 24, 2018 · N880FD · Boeing 777F28
  > 2.5 HOURS OUT OF ANC GOT "HYD QTY LOW C" FOLLOWED BY "RESERVE BRAKE/STEERING" EICAS. HYD QTY C STARTED AT.4 WHEN GOT EICAS AND OVER 1 HOUR WENT.01. FLAPS SLOW-GEAR NORMAL AND SPEED BRAKES NORMAL. TOWED OFF RUNWAY. RESEALED CENTER HYDRAULIC SYSTEM PRESSURE TR
- [SDR HALA2018012300007](https://openairdocs.org/sdr/HALA2018012300007.md): Warning System · false activation · Jan 20, 2018 · N580HA · Boeing 76733A
  > ETOPS SIGNIFICANT SYSTEM - C HYD PRIM 1 EICAS AND PRESS LIGHT ILLUMINATED. OPERATIONAL CHECK OF CENTER HYD (ELECTRIC) PUMPS PER AMM 29-11-00. OPS CHK OK. PERFORMED PILOT ENGINE RUN OF 1 & 2 ENG. CYCLED ALL (4) ELEC PUMPS OFF THEN ON. COULD NOT RECREATE. OK FOR
- [SDR 2018FA0000043](https://openairdocs.org/sdr/2018FA0000043.md): Transducer · failed · Jan 16, 2018 · N544AV · Cndair CL6002B19
  > HYDRAULIC SYSTEM 1 HAD ZERO PSI. RETURN TO AIRPORT. REPLACED THE PRESSURE TRANSDUCER.
- [SDR FDEA201711163247](https://openairdocs.org/sdr/FDEA201711163247.md): Hydraulic System · malfunctioned · Nov 16, 2017 · N732FD · Airbus A300B4605R
  > DURING DESCENT, LOST THE GREEN SYS HYD QTY IAW ECAM/QRH. LANDED WITHOUT GREEN SYSTEM. MANUALLY EXTENDED THE LANDING GEAR. AFTER TOW IN, QTY IN THE GREEN SYS RETURNED TO NORMAL.
- [SDR HALA2017102000256](https://openairdocs.org/sdr/HALA2017102000256.md): Transmitter · malfunctioned · Oct 19, 2017 · N580HA · Boeing 767300
  > LEFT HYDRAULIC QTY LIGHT ILLUMINATED. LEFT SYSTEM EICAS ILLUMINATED. HYD QTY INDICATED.5 RF. COMPLIED W/ QRH DEPRESSURIZED SYSTEM. HYD QTY INDICATES.92. COMPLIED WITH QRH HYD SYST PRESSURE, PRESSURIZE AND LT HYD SYSTEM DURING LANDING AND QTY AND PRESSURE HE
- [SDR HALA2017071400197](https://openairdocs.org/sdr/HALA2017071400197.md): Packing · leaking · Jul 13, 2017 · N360HA · Airbus A330243
  > ATB DUE TO THE HYDRAULIC YELLOW ENGINE NR 2 PUMP LOW PRESSURE. REPLACED YELLOW HP MANIFOLD FITTING PACKING.
- [SDR A6WA201745097](https://openairdocs.org/sdr/A6WA201745097.md): Warning System · activated · Jul 12, 2017 · N423AW · Cndair CL6002B19
  > RECEIVED HYD 1 LO PRESS CAUTION MSG IN FLIGHT. AC PUMP ON, PRESSURE CONTINUED TO FALL. TURNED OFF ACMP AFTER 1 MINUTE OF OPERATION. DIVERTED TO CLT. EDP OPERATED 1 HOUR. QTY SHOWED DASHES. REPLACED EDP1, HYD LINE AND FITTING, SERVICED AND BLED NR 1 HYD SYS OP
- [SDR FDEA201608182928](https://openairdocs.org/sdr/FDEA201608182928.md): Warning System · malfunctioned · Aug 18, 2016 · N671FE · Airbus A300F4605R
  > NR 1 ENGINE GREEN SYS HYDRAULIC PUMP LOW PRESSURE. FLIGHT CREW VERIFIED GOOD PRESSURE FROM NR 1 ENGINE HYD GREEN PUMP BY SHUTTING DOWN NR 2 ENGINE AND ECAM INDICATIONS ARE NORMAL AND DID NOT GET A CHIME WHEN LIGHT ILLUMINATED. QTY IS NORMAL. RELEASED FOR SE
- [SDR A6WA201543047](https://openairdocs.org/sdr/A6WA201543047.md): Warning System · activated · Sep 10, 2015 · N417AW · Cndair CL6002B19
  > HYD 2 LOW PRESS MSG ON CLIMB OUT. HYD SYS READS 10%. HYD PUMP 2A OPERATED FOR MORE THAN 30 MINUTES.
- [SDR AALA20141222013](https://openairdocs.org/sdr/AALA20141222013.md): Indicator · defective · Dec 21, 2014 · N370AA · Boeing 767323
  > AIR INTERRUPT, DIVERTED & EMER DECLARED. LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB LOST ALL LT HYD SYS FLUID. FOUND LT HYD MODULE DIFFERENTIAL PRESS INDICATOR FAILED. R & R DAMAGED DIFFERENTIAL PRESS INDICATOR ON LT ENG DRIVEN PUMP MODULE IAW
- [SDR CALA2014013190275](https://openairdocs.org/sdr/CALA2014013190275.md): Warning System · faulty · Jan 29, 2014 · N535UA · Boeing 757222
  > RT HYD SYS PRESS LIGHT INTERMITTENT WITH HYD PUMPS OFF.
- [SDR SWAA2014010223779](https://openairdocs.org/sdr/SWAA2014010223779.md): Relay · faulty · Dec 29, 2013 · N386SW · Boeing 7373H4
  > AIR TURN BACK DURING TAKEOFF JUST AFTER THE LG HANDLE WAS SELECTED TO THE UP POSITION, THE "A" SYS ELECT LOW PRESSURE LIGHT ILLUMINATED. R & R RELAY IAW MM.
- [SDR CALA2013112693272](https://openairdocs.org/sdr/CALA2013112693272.md): Light · inoperative · Nov 25, 2013 · N659UA · Boeing 767322
  > C ELEC 2 LOW PRESS LIGHT NOT ILLUMINATED WHILE THE PUMP IS SHED.
- [SDR CALA2013110592683](https://openairdocs.org/sdr/CALA2013110592683.md): Warning Message · activated · Nov 3, 2013 · N523UA · Boeing 757222
  > CREW REPORTS LT RESERVOIR PRESS EICAS MESSAGE WITH ASSOCIATED OVERHEAD PANEL LIGHT.
- [SDR CALA2013102492361](https://openairdocs.org/sdr/CALA2013102492361.md): Light · inoperative · Oct 22, 2013 · N117UA · Boeing 747422
  > NR 2 EDP LOW PRESS LIGHT INOPERATIVE. RESET HYDIM & PRESS IND CIRCUIT BREAKERS BUT NO HELP. HYD PRESS DISPLAY OK ON EICAS. REPLACED BULBS OK.
- [SDR CALA2013102192222](https://openairdocs.org/sdr/CALA2013102192222.md): Unknown · malfunctioned · Oct 19, 2013 · N589UA · Boeing 757222
  > LT HYD SYSTEM MESSAGE, FLIGHT DIVERTED. PULLED HYD PAGE ON EICAS & NOTICED LT SYSTEM PRESS 1810 PSI QUANTITY NORMAL, JUST PRESS. RAN ENG ISOLATED LT ENG DRIVEN PUMP ALL INDICATES NORMAL 3000 PSI. REPLACED LT HYD PRESSURE TRANSMITTER IAW AMM, PRECAUTIONARY.
- [SDR AALA20130523009](https://openairdocs.org/sdr/AALA20130523009.md): Indicator · leaking · May 23, 2013 · N362AA · Boeing 767323
  > CREW REPORTED LT HYD SYS PRESSURE EICAS MESSAGE FOLLOWED BY LT HYD QTY MESSAGE. EMERGENCY DECLARED, FLIGHT LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED LEAKING DIFFERENTIAL PRESSURE INDICATOR ON INBD SIDE OF LT HYD FILTER MODULE. SYS GROUND
- [SDR HNAA2013030100099](https://openairdocs.org/sdr/HNAA2013030100099.md): Transmitter · failed · Mar 1, 2013 · N816EX · Dhav DHC8102
  > NR 2 MAIN HYD PRESSURE INDICATION DROPPED TO 0 PSI ON TAKEOFF ROLL. NO CAUTION LIGHTS ILLUMINATED AND HYD QUANTITY IS GOOD. R & R HYDRAULIC PRESSURE TRANSMITTER IN RT MLG WHEEL WELL. OPS CHECKED GOOD IAW MM 29-10-00.
- [SDR IPXA13177254](https://openairdocs.org/sdr/IPXA13177254.md): Transmitter · failed · Feb 21, 2013 · N128UP · Airbus A300F4622R
  > ON INITIAL CLIMBOUT AT APPROX 6-700 FT. BOTH HYD GREEN SYS PUMPS FAILED SIMULTANEOUSLY. TROUBLESHOOTING FOUND GREEN HYD PRESSURE TRANSMITTER BAD, REPLACED GREEN SYS HYD PRESSURE TRANSMITTER, ALSO BLED GRN SYS HYDS, RAN ENGINES CYCLED FLT CONTROLS AND ALSO P
- [SDR UALA2013020700753](https://openairdocs.org/sdr/UALA2013020700753.md): Pressure Switch · failed · Feb 6, 2013 · N545UA · Boeing 757222
  > LEFT ENGINE LOW PRESSURE LIGHT TESTED OK. LIGHT OFF WITH ENGINE SHUT DOWN. REPLACED LOW PRESSURE EDP SWITCH AS PER AMM, LIGHT OPS NORMAL.
- [SDR UALA2013010300017](https://openairdocs.org/sdr/UALA2013010300017.md): Switch · unsecure · Jan 3, 2013 · N672UA · Boeing 767322
  > LEFT ENGINE EDP 'PRESS' LT DOES NOT ILLUMINATE WHEN DE-SELECTED WITH ENGINE RUNNING, EICAS INDICATES PUMP IS DEPRESSURIZED. LEFT ENGINE EDP PRESS LIGHT SWITCH AND LEN RE-SECURED AND CHECK NORMAL IAW AMM 29-31-00.
- [SDR AALA20121219001](https://openairdocs.org/sdr/AALA20121219001.md): Indicator · leaking · Dec 18, 2012 · N399AN · Boeing 767323
  > JFK - INFLIGHT ORD-LHR. CREW REPORTED LEFT HYDRAULIC SYSTEM QUANTITY STATUS MESSAGE. EMERGENCY DECLARED FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND LEFT HYDRAULIC DIFFERENTIAL PRESSURE INDICATOR LEAKING ON LEFT PYLON C
- [SDR UALA2012112806843](https://openairdocs.org/sdr/UALA2012112806843.md): Light · inoperative · Nov 26, 2012 · N544UA · Boeing 757222
  > RIGHT HYDRAULIC SYSTEM PRESS LIGHT DOES NOT ILLUMINATE WITH PUMPS OFF. REPLACED LIGHT ASSY L3 ON M10050 OVHD AND REPAIRED BROKEN GROUND WIRE ON D3064. LIGHT AND SYSTEM OPS CHECKS GOOD.
- [SDR UALA2012110606380](https://openairdocs.org/sdr/UALA2012110606380.md): Pressure Switch · faulty · Nov 1, 2012 · N647UA · Boeing 767322
  > NR 1 ENGINE HYD EDP LOW PRESSURE LIGHT DOES NOT ILLUMINATE WHEN ENGINE IS SHUT DOWN. REF SM 29-00-02 PG 101 SHEET 1 JUMPED SWITCH S26 AND LIGHT ILLUMINATED AND REF DF231 AUTO FUNCTION THEN OPERATED NORMALLY. CLEANED SWITCH CONTACTS AND REFITTED PLUG AND LIGH
- [SDR ERAA20120076](https://openairdocs.org/sdr/ERAA20120076.md): Circuit Breaker · defective · Oct 4, 2012 · N882EA · Dhav DHC8103
  > NR 1 STANDBY HYDRAULIC GAUGE INDICATES PRESSURE WITH SWITCH SELECTED TO "NORMAL" (OFF) POSITION. INSTALLED SERVICEABLE A/C PUMP C/B IN RIGHT WHEEL A/C CONTACTOR BOX IAW DASH 8 MAINT MANUAL 24-21-09 AND OPS CHECKS OK IAW DASH 8 MAINT MANUAL 29-11-17, OPS CHECK

Next page: https://openairdocs.org/jasc/2931/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 = '2931'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2931/reports

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