# Service difficulty reports: JASC 2917

A list on [JASC 2917](https://openairdocs.org/jasc/2917.md).

Reports filed under 2917 · Hydraulic Pressure Regulator, Main, newest first.

Page 1 of 2 · 65 reports

- [SDR FDEA202208101954](https://openairdocs.org/sdr/FDEA202208101954.md): Track · leaking · Aug 10, 2022 · N912FD · Boeing 757200
  > PDIS 912 29-02 3898 10AUG22 TLV OPEN U LOGPAGES:3336064 UPON REACHING CRUISE FL380 THE '' R HYD QTY'' MESSAGE APPEARED R QTY WAS APPROX 0.48 AND DECREASING. COMPLIED WITH QRH AND CONSULTED GOC. DECLARED EMERGENCY WITH ATC AND RETURNED TO TL
- [SDR CALA2019101401756](https://openairdocs.org/sdr/CALA2019101401756.md): Pressure Switch · inoperative · Oct 14, 2019 · N657UA · Boeing 767322
  > HYD SYS PRESS R EICAS CAUTION CAME ON IN FLIGHT DEBRIEF CREW RIGHT ELEC PRESS LIGHT FLICKERED AND SYS PRESS LIGH T ILLUMINATED. R ENG HYD PUMP TURNED OFF AND RIGHT ELEC LEFT ON STILL HAD SYS PRESS LIGHT ILLUMINATED. RAN RIGHT ENG FOR 5 MINUT ES NO FAULTS NOTED
- [SDR SWIA2019073046100](https://openairdocs.org/sdr/SWIA2019073046100.md): Pressure Switch · failed · Jul 30, 2019 · N980SW · Cndair CL6002B19
  > HYD 3 LOW PRESSURE ON CLIMB OUT. FLT 5283. REMOVED AND REPLACED THE HYD 3A LOW-PRESSURE SWITCH S9DB IAW AMM. OPS CHECK GOOD AND NO LEAKS FOUND.
- [SDR CA190731019](https://openairdocs.org/sdr/CA190731019.md): Control Module · cracked · Jul 29, 2019 · Agusta AW139
  > (CAN) NO. 2 HYDRAULIC PRESSURE CONTROL MODULE (PCM) DISCOVERED WITH A CRACK ON THE NUMBER 4 HYDRAULIC PUMP SUCTION BOX OF THE MODULE. #2 HYDRAULIC PCM REPLACED WITH SERVICEABLE UNIT. DETAILS FROM SAFETY REPORT: DURING A SERVICEABILITY CHECK, IT WAS NOTICED TH
- [SDR AALA201903199004](https://openairdocs.org/sdr/AALA201903199004.md): Pressure Switch · malfunctioned · Mar 18, 2019 · N986AN · Airbus A321231
  > A HYD Y NR 2 ENGINE PUMP LOW PRESSURE ECAM OCCURRED AFTER TAKEOFF. RETURNED AND LANDED. THE AIRCRAFT WAS GROUNDED. MAINTENANCE TROUBLESHOT THE SYSTEM AND REPLACED THE RT ENGINE YELLOW SYS PRESSURE SWITCH IAW AMM 29-13-17.
- [SDR YENA20140409072](https://openairdocs.org/sdr/YENA20140409072.md): Pressure Switch · failed · Apr 9, 2014 · N529JB · Airbus A320232
  > DECLARED AN EMERGENCY AND ACFT RETURNED TO DEPARTURE, FOR A HYD GREEN RESERVOIR LOW AIR PRESSURE ECAM DURING CRUISE. GREEN, ENG 1, PUMP FAULT LIGHT & PTU FAULT LIGHT ON. COMPLIED WITH ECAM OR QRH PROCEDURES. ON DESCENT TURNED ENG 1 PUMP ON TO RESTORE GREEN SYS
- [SDR V6NA20131226001](https://openairdocs.org/sdr/V6NA20131226001.md): Regulator Valve · chattering · Dec 26, 2013 · N296L · Lear 60LEAR
  > WHILE EN ROUTE AT FL 41, AMBER, R HYD PRESS LIGHT ILLUMINATED. NOTIFIED MX & CONTINUED TO DESTINATION. ON APPROACH, BEGAN CONFIGURING AIRPLANE FOR LANDING, HYD PRESS CONTINUED TO DROP. AFTER LOWERING LG HYD PRESS WENT TO ZERO. DIVERTED & LANDED WITH FLAPS
- [SDR CA130124006](https://openairdocs.org/sdr/CA130124006.md): Bypass Valve · failed · Jan 24, 2013 · Boeing 7572B7
  > (CAN) DURING SERVICE CHECK FOUND HYDRAULIC FLUID LEAKING FROM BYPASS ELEVATOR PRESSURE REDUCER VALVE. FURTHER INSPECTION REVEALED A PIN HOLE LEAK IN THE BODY OF THE VALVE.
- [SDR UALA2012021000802](https://openairdocs.org/sdr/UALA2012021000802.md): Transducer · faulty · Feb 10, 2012 · N772UA · Boeing 777222
  > C2 PUMP PRESS OUT-RANGE AHM IS HITTING ON ALL LEGS FOR MSG 29-10570, ACMP C2 OUTPUT PRESSURE IS OUT OF RANGE. THIS IS ONE OF 2 A-C IN FLEET WITH MSG AND CAN LEAD TO EXCESSIVE CYCLING OF ADU AND CATASTROPHIC FAILURE. REF FIM 29-11, TASK 898. INITIATE T/S IN P
- [SDR C2XA11RI116](https://openairdocs.org/sdr/C2XA11RI116.md): Pressure Switch · defective · Jun 26, 2011 · N15912 · Emb EMB145LR
  > FLIGHT 5923 - RIC - FLIGHT CREW REPORTED ENGINE 1 HYDRAULIC PUM FAILED. CREW PERFORMED AIR RETURN AND LANDED UNEVENTFULLY. RIC MX REMOVED AND REPLACED ENGINE DRIVEN HYDRAULIC SYSTEM 1 PRESSURE SWITCH AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS AP
- [SDR UALA2011010300039](https://openairdocs.org/sdr/UALA2011010300039.md): Check Valve · faulty · Jan 2, 2011 · N771UA · Boeing 777222
  > CENTER ADP C1 MODULE RPL. DUE TO PREVIOUS FAILURE OF THE PRESSURE TRANSDUCER CHECK VALVE IN THE FILTER MODULE, AS A PRECAUTION NEED TO REPLACE THE COMPLETE FILTER MODULE. NO LEAKS NOTED.
- [SDR U5QA06028](https://openairdocs.org/sdr/U5QA06028.md): Regulator · failed · Dec 26, 2010 · N869AV · Lear 60LEAR
  > AIRCRAFT DEPARTED KSUA TO MMTO. SHORTLY AFTER REACHING CRUISE ALTITUDE (FL430), RIGHT HYD PRES LIGHT ILLUMINATED AND THEN SHORTLY AFTER THE LEFT HYD PRES LIGHT ILLUMINATED. CREW DIVERTED TO KMIA. HYDRAULIC PRESSURE INDICATOR REMAINED IN GREEN UNTIL GEAR WAS
- [SDR USAA20100706BA030](https://openairdocs.org/sdr/USAA20100706BA030.md): Damper · leaking · Jul 4, 2010 · N281AY · Airbus A330243
  > MAN - FLT 787 EN ROUTE CDG TO CLT. RECEIVED HYD GREEN ENG 1 & 2 LOW PRESS MESSAGE DURING FLIGHT. THE FLIGHT WAS DIVERTED TO MAN. DURING THE DIVERSION TO MAN, THE AIRCRAFT LOST THE WHOLE GREEN HYDRAULIC SYSTEM. THE FLIGHT CREW DECLARED AN EMERGENCY. ONCE
- [SDR CA100528008](https://openairdocs.org/sdr/CA100528008.md): Regulator · broken · May 27, 2010 · Cvac 340CVAC
  > (CAN) AFTER PRACTICE FIRE MISSION (PRACTICE WATER DROP) FLAPS WOULD NOT COME UP BUT REMAINED STUCK IN THE FULL DOWN POSITION. CREW WENT TO RETRACT FLAPS BY USING EMERGENCY HANDLE. NOTICED WHEN REACHING FOR HANDLE, HYD FLUID IN THE HANDLE AREA. CREW MEMBER M
- [SDR CA091021015](https://openairdocs.org/sdr/CA091021015.md): Pressure Switch · inoperative · Oct 19, 2009 · Snias AS350B1
  > (CAN) A/C HAD JUST CLEARED CONTROL ZONE, WHEN THE HYDRAULIC HORN AND HYDR. LIGHT ACTIVATED, HYD ISOLATION SWITCHED OFF PROCEEDED BACK TO BASE [6 MILES] LANDED WITH HYDRAULICS OFF, WITHOUT INCIDENT. MAINTENANCE CARRIED OUT. TROUBLE SHOOTING, FOUND TO BE AN IN
- [SDR U5QA06020](https://openairdocs.org/sdr/U5QA06020.md): Regulator · failed · Oct 4, 2009 · N869AV · Lear 60LEAR
  > AT FL410 L HYD PRESS AMBER ANNUNCIATOR ILLUMINATED. R HYD PRESS AMBER ANNUNCIATOR ILLUMINATED APPROX 15 MINUTES LATER. HYD SYS PRESSURE REMAINED NORMAL. DESCENDED TO FL370 DIVERT FOR LONGER RUNWAY. BOTH WARNING LIGHTS EXTINGUISHED AFTER 10 MINUTES, SYS PRESSU
- [SDR U5QA06017](https://openairdocs.org/sdr/U5QA06017.md): Regulator · plugged · Apr 29, 2009 · N27ZH · Lear 60LEAR
  > AT CRUISE BOTH AMBER HYDRAULIC PRESSURE LOW LIGHTS ILLUMINATED. CHANGED DESTINATION TO BDL. TAXIED AIRCRAFT TO BOMBARDIER, FOUND PRESSURE REGULATOR FOR HYDRAULIC RESERVOIR PLUGGED. POSSIBLY CAUSING THE HYDRAULIC FLUID TO FOAM.
- [SDR HNAA2008120700340](https://openairdocs.org/sdr/HNAA2008120700340.md): Regulator · failed · Dec 7, 2008 · N846EX · Dhav DHC8102
  > JUST AFTER TAKEOFF, THE 'RUDDER FULL PRESSURE', 'RUDDER PRESSURE', AND 'NR 2 RUDDER HYDRAULIC' CAUTION LIGHTS CAME ON. HYDRAULIC QUANTITIES WERE NORMAL. THE AIRCRAFT WAS RETURNED TO THE FIELD. MAINTENANCE REPLACED THE DUAL PRESSURE REGULATOR. LEAK AND OPS
- [SDR AALA200802516A](https://openairdocs.org/sdr/AALA200802516A.md): Pressure Switch · faulted · Nov 12, 2008 · N39364 · Boeing 767323
  > INFLIGHT - LEFT HYDRAULIC SYSTEM LOW PRESSURE INDICATION. RETURNED TO JFK AND LANDED WITHOUT INCIDENT. REPLACED LEFT HYDRAULIC PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR TSAA0729066](https://openairdocs.org/sdr/TSAA0729066.md): Regulator · malfunctioned · Dec 16, 2007 · N828AL · Boeing 737236
  > FLIGHT 208 HNL-OGG - UPON RETRACTION OF THE LANDING GEAR AND FLAPS, THE CREW NOTED A LOUD FLUTTERING NOISE AND BUFFET. CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE HYDRAULIC RESERVOIR AIR PRESSURE REGULATOR PER AMM 29-0
- [SDR CA071210006](https://openairdocs.org/sdr/CA071210006.md): Controller · malfunctioned · Dec 7, 2007 · Snias AS350B2
  > (CAN) DURING FIRST GROUND RUN FOLLOWING A MAJOR 12 YEAR INSP, THERE WAS SIGNIFICANT HYDR FLUID LOSS IN THE AREA OF THE MAIN ROTOR ACCUMULATORS. THE HELICOPTER HAD BEEN AT 70 PERCENT GROUND IDLE FOR APPROX 3-4 MINUTES. THE HELICOPTER WAS SHUTDOWN IMMEDIATELY AN
- [SDR NSVA20070228](https://openairdocs.org/sdr/NSVA20070228.md): Pressure Switch · malfunctioned · Sep 16, 2007 · N343CJ · Saab 340B
  > HYDRAULIC LIGHT ILLUMINATED AT ALT COMPLETED APPROPRIATE CHECK LIST DETERMINED THAT ATO FUNCTION FAILED MAIN ACCUMULATOR WAS LOW AT RED LINE EMERGENCY ACC INB OUTBOARD NORMAL USED OVERRIDE FUNCTION AS NEEDED FOR REMAINDER OF FLIGHT. SERVICED HYD RESERVOIR IAW
- [SDR TSAA0729017](https://openairdocs.org/sdr/TSAA0729017.md): Regulator · unknown · Apr 26, 2007 · N828AL · Boeing 737236
  > FLT 107 HNL-LIH - LOUD FLUTTER HEARD ON ROTATION. CONTINUED TO 2000 FT. RETURNED FOR LANDING. AIRCRAFT TAXIED TO GATE AT HNL WITHOUT FURTHER INCIDENT. VISUALLY INSPECTED AIRCRAFT, WING TO BODY FAIRINGS, AND FLIGHT CONTROLS. NO DEFECTS NOTED. REMOVED AND
- [SDR CA070402003](https://openairdocs.org/sdr/CA070402003.md): Pressure Switch · leaking · Mar 22, 2007 · Pilats PC1245
  > (CAN) DURING INSPECTION IT WAS NOTED THAT THIS HYDRAULIC PRESSURE SWITCH WAS LEAKING FLUID AT THE SWAGED SEEM OF THE SWITCH. THE SWITCH WAS REPLACED WITH NEW. (TC NR 20070402003)
- [SDR UPS06548739](https://openairdocs.org/sdr/UPS06548739.md): Pressure Switch · failed · Dec 8, 2006 · N459UP · Boeing 75724APF
  > INSPECTION TYPE:N/A ATB - AFTER DEPARTURE THE CREW EXPERIENCED A HYD SYS PUMP FAILURE. THE A/C RETURNED TO SDF. NO EMERGENCY WAS DECLARED, AND THE A/C LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOT THE LEFT PRESSURE SWITCH PER FIM. REMOVED & REPLACED LEFT HY
- [SDR QXEA200602961](https://openairdocs.org/sdr/QXEA200602961.md): Switch · malfunctioned · Nov 12, 2006 · N425QX · Bombdr DHC8402
  > BOI FLIGHT NR 2303: AFTER START, NR 3 HYD PUMP CAUTION LIGHT REMAINED ILLUMINATED. WHEN NR 3 ISO VALVE SWITCH 'OPEN' HYD NR 3 PRESS REMAINED 0. SWITCH LIGHT INDICATES OPEN. AIRCRAFT RETURNED TO GATE. MAINTENANCE REPLACED NR 3 HYD ACCUM ISO VALVE IAW AMM TA
- [SDR AWXA200601801](https://openairdocs.org/sdr/AWXA200601801.md): Accumulator · leaking · Oct 21, 2006 · N621AW · Airbus A320231
  > FLIGHT 281; PHX - SJC - IN CRUISE FLIGHT, THE A/C LOST YELLOW HYDRAULIC PRESSURE AND QUANTITY INDICATION. THE CREW DIVERTED TO LAS FOR MX. MX DISCOVERED THAT THE YELLOW HYDRAULIC SYSTEM ACCUMULATOR WAS LEAKING. MX REPLACED THE YELLOW SYSTEM ACCUMULATOR, OPS C
- [SDR HEEA109638](https://openairdocs.org/sdr/HEEA109638.md): Pressure Switch · malfunctioned · Jun 13, 2006 · N8045T · Bell 214ST
  > DURING CRUISE FLIGHT THE NR 1 HYD CAUTION LIGHT CAME ON. PERFORMED THE EMERGENCY CHECKLIST AND THEN DEVIATED TO FOU. MAINTENANCE REPLACED PRESSURE SWITCH.
- [SDR DL738050021](https://openairdocs.org/sdr/DL738050021.md): Module · contaminated · Jan 10, 2005 · N3766 · Boeing 737832
  > ENG 1 AND ENG 2 HYD PUMPS LOW PRESS LIGHTS ILLUM IN FLT. FOUND EVIDENCE OF MOISTURE/WATER IN HYD RSVR PRESS MOD. DISCONNECTED LINES AT HYD RSVR PRESS MODULE & AT -A- AND -B- RSVRS. BLEW LINES WITH DRY NITROGEN. REPLACED HYD RSVR PRESS MODULE AND RECONNECT
- [SDR MUY2004F00000](https://openairdocs.org/sdr/MUY2004F00000.md): Pressure Switch · leaking · Jul 14, 2004 · N4355Y · Piper PA32301T
  > HYDAULIC PRESSURE SWITCH LEAKS INTERNALLY. LEAK IS VERY SLOW. OVER AN EXTENDED PERIOD OF TIME, HYDRAULIC RESEVOIR IS DEPLETED. LACK OF HYDRAULIC FLUID IN RESEVIOR CAUSED LT MAIN GEAR TO REMAIN UNSAFE DURING APPROACH AND LANDING. COMPONENT IS SEALED UNIT AN
- [SDR DL73S040191](https://openairdocs.org/sdr/DL73S040191.md): Regulator · leaking · Feb 25, 2004 · N329DL · Boeing 737232
  > LOSS OF A-SYSTEM HYDRAULIC PRESSURE. FOUND NO RESERVOIR HEAD PRESSURE. REPLACED RESERVOIR PRESSURE REGULATOR AND BOTH CHECK VALVES.
- [SDR AWXA200301066](https://openairdocs.org/sdr/AWXA200301066.md): Pressure Switch · failed · Sep 21, 2003 · N647AW · Airbus A320232
  > ON CLIMBOUT OF PHX EN ROUTE FOR SNA RECEIVED ECAM GREEN HYDRAULIC PUMP LOW PRESSURE INDICATION, TURNED BACK TO PHX AND LANDED WITHOUT FURTHER EVENT. MAINTENANCE REMOVED AND REPLACED GREEN HYDRAULIC SYSTEM ENGINE PUMP LOW PRESSURE SWITCH IAW AMM 29-11-17-04, A
- [SDR BAQA087117](https://openairdocs.org/sdr/BAQA087117.md): Pressure Switch · inoperative · Aug 4, 2003 · N915ME · Aerosp AS365N2
  > HYD SYSTEM PRESSURE SWITCH INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.
- [SDR TSAA0329044](https://openairdocs.org/sdr/TSAA0329044.md): Pressure Switch · failed · Mar 9, 2003 · N744AL · Boeing 73776N
  > AFTER TAKEOFF THE 'A' SYSTEM HYDRAULIC PUMP LIGHT CAME ON. THE AIRCRAFT RETURNED TO HNL AND MADE AN OVERWEIGHT LANDING WITH NO FURTHER INCIDENT. MAINTENANCE VERIFIED THE LOW PRESSURE LIGHT. THE 'A' SYSTEM ELECTRIC PUMP PRESSURE SWITCH, NR 2 ELECTRIC MOTOR D
- [SDR FTU2003F00003](https://openairdocs.org/sdr/FTU2003F00003.md): Regulator · failed · Feb 14, 2003 · N79PH · Gulstm 695A
  > HYDRAULIC REGULATOR WAS INSTALLED IN THIS AIRCRAFT AS A OVERHAULED, EXCHANGED. THIS UNIT FAILED DURING TAKEOFF, WHICH PREVENTED HYDRAULIC PRESSURE TO BUILD UP TO SYSTEM PRESSURE. UNIT WAS REMOVED AND REPLACED BY THE OWNERS ORIGINAL REGULATOR AFTER IT WAS OVE
- [SDR MALA020691](https://openairdocs.org/sdr/MALA020691.md): Regulator · activated · Dec 26, 2002 · N512XJ · Bac AVRO146RJ85A
  > DURING FLIGHT 3641, AIR LOW PRESSURE ON YELLOW HYDRAULIC SYSTEM ILLUMINATED. AIR RETURN TO MSP. MAINTENANCE REPLACED PSI REGULATOR VALVE. OPS CHECK GOOD.
- [SDR SWAA022932](https://openairdocs.org/sdr/SWAA022932.md): Module · leaking · Dec 13, 2002 · N718SW · Boeing 7377H4
  > AIR TURNBACK, DECLARED EMERGENCY, SLIGHT HYDRAULIC SMELL DURING TAXI, STRONG HYDRAULIC SMELL AT HIGH POWER DURING TAKEOFF. REMOVED AND REPLACED HYDRAULIC RESEVOIR AIR PRESSURE MODULE, BOTH COALESCER BAGS AND HEPA FILTER PER MM.
- [SDR KBMA116009](https://openairdocs.org/sdr/KBMA116009.md): Pressure Switch · inoperative · Sep 12, 2002 · N350SH · Snias AS350BA
  > HYDRAULIC WARNING LIGHT STAYS ILLUMINATED ON THE GROUND AT FLIGHT IDLE. REPLACED HYD SWITCH WITH NEW SWITCH.
- [SDR CA020327004](https://openairdocs.org/sdr/CA020327004.md): Pressure Switch · failed · Mar 20, 2002 · Pilats PC1245
  > (CAN) AFTER TAKEOFF, REPORTED THE HYDRAULIC PUMP SEEMED TO RUN LONGER THAN NORMAL, AND THAT THE UNDER FLOOR HEATER WAS NOT FUNCTIONING. INVESTIGATION REVEALED THAT THE HYDRALIC SYSTEM PRESSURE SWITCH WAS INTERMITTENT, CAUSING THE HYDRAULIC PUMP TO RUN UNTILL
- [SDR CA020314001](https://openairdocs.org/sdr/CA020314001.md): Pressure Switch · sticks · Mar 12, 2002 · Beech 200BEECH
  > (CAN) AFTER TAKEOFF THE HYDRAULIC PUMP CYCLED ON FOR AN ABNORMAL LENGTH OF TIME WITH THE GEAR SELECTED TO THE UP POSITION. THE LANDING GEAR WAS SELECTED TO DOWN AND THE CIRCUIT BREAKER POPPED. THE CREW CARRIED OUT THE LANDING GEAR EMERGENCY EXTENSION PROCEDURE
- [SDR OLJ2001F00001](https://openairdocs.org/sdr/OLJ2001F00001.md): Pressure Switch · inoperative · Aug 12, 2001 · N65CW · Aerosp SA365N1
  > AUX HYDRAULIC ILLUMINATED DURING CRUISE FLIGHT. PILOT PERFORMED A PRECAUTIONARY LANDING. MAINTENANCE WAS DISPATCHED TO THE SITE. MAINTENANCE FOUND PRESSURE SWITCH INOPERATIVE. THE SWITCH WAS REMOVED AND REPLACED AND THE SYSTEM WAS OPERATIONAL TESTED AND AI
- [SDR EISA20000198](https://openairdocs.org/sdr/EISA20000198.md): Relief Valve · inoperative · Nov 1, 2000 · N352PA · Boeing 727225
  > CLIMBING OUT OF 1000 FT HYDRAULIC A SYSTEM PRESSURE FAILED, RAN APPROPRIATE CHECKLIST AND RETURNED TO (TUS). REPLACED A SYSTEM PRESSURE RELIEF VALVE. LEAK AND OP CHECK GOOD IAW M/M 29-11-64.
- [SDR CA001030016](https://openairdocs.org/sdr/CA001030016.md): Pressure Switch · leaking · Oct 12, 2000 · Pilats PC1245
  > (CAN) HYDRAULIC PUMP WOULD RUN CONSTANTLY IN-FLIGHT AND ON GROUND WITH ASSOCIATED HYD AMBER LIGHT ON THE CAWS PANEL (CENTRAL ADVISORY AND WARNING SYSTEM). ACCUMULATOR CHARGE FOUND AT ZERO. FURTHER INVESTIGATION FOUND THE HYDRAULIC SYSTEM PRESSURE SWITCH LEAK
- [SDR ERYA682D1](https://openairdocs.org/sdr/ERYA682D1.md): Regulator Valve · failed · Oct 6, 2000 · N924AM · Lear 35A
  > HYDRAULIC FAILURE.
- [SDR 2000UALA00515](https://openairdocs.org/sdr/2000UALA00515.md): Switch · failed · Aug 26, 2000 · N419UA · Airbus A320232
  > B-HYDRAULIC PUMP LOW PRESSURE INDICATION. *S/D* REPLACED PRESS SWITCH FOR BLUE ELECTRIC PUMP.
- [SDR SIMA1788](https://openairdocs.org/sdr/SIMA1788.md): Pressure Switch · inoperative · Jun 26, 2000 · N904AE · Saab 340B
  > LRD - FLT 3285 - WHILE IN CRUISE FLIGHT HYD MASTER CAUTION LIGHT CAME ON. PERFORMED MEMORY ITEMS AND RAN QRH CHECKLIST. MAIN HYD SYSTEM PRESS WAS DOWN TO 1900 PSI. ALL OTHER INDICATIONS WERE NORMAL. CREW THEN SELECTED HYD PUMP SWITCH TO OVERRIDE, HYD PRESS
- [SDR 2000UALA00312](https://openairdocs.org/sdr/2000UALA00312.md): Pressure Switch · leaking · Jun 5, 2000 · N821UA · Airbus A319131
  > GREEN HYDRAULIC SYSTEM LOSS IN CRUISE. QUANTITY AND PRESSURE READING ZERO. *S/D* CHECKED NR 1 ENGINE FOR EXTERNAL HYDRAULIC LEAKS. FOUND LOW PRESSURE SWITCH LOOSE AND LEAKING. REPLACED SHREDDED O RING AND INSTALLED SWITCH WITH PROPER TORQUE. SERVICED GRE
- [SDR SIMA1471](https://openairdocs.org/sdr/SIMA1471.md): Pressure Switch · failed · May 26, 2000 · N901AE · Saab 340B
  > LFT - FLT 3355 - HYDRAULIC CENTRAL WARNING PANEL LIGHT WITH MAIN AND EMERGENCY PRESSURE. LANDING GEAR EMERGENCY HANDLE PULLED. MAINTENANCE FOUND HYDRAUIC PRESSURE SWITCH 9ML FAILED. PRESSURE SWITCH WAS REMOVED AND REPLACED IAW SAAB MM 29-10-45. OPS CHECK G
- [SDR 20000511SH041](https://openairdocs.org/sdr/20000511SH041.md): Regulator · leaking · Apr 26, 2000 · N93BP · Lear 24A
  > AIRCRAFT EXPERIENCED HYDRAULIC PRESSURE LOSS. EMERGENCY GEAR EXTENSION WAS PERFORMED AND AN UNEVENTFUL LANDING ACCOMPLISHED. FOUND PRESSURE REGULATOR LEAKING. REPLACED REGULATOR WITH SERVICEABLE UNIT. REPLACED BOTH ENGINE DRIVEN HYDRAULIC PUMPS AND HYDRAUL
- [SDR 2000UALA00198](https://openairdocs.org/sdr/2000UALA00198.md): O-Ring · leaking · Apr 17, 2000 · N642UA · Boeing 767322
  > CENTER HYDRAULIC FLUID LOSS. AMBER ALERT. DIVERTED ORD. *S/D* FOUND FLUID LEAKING FROM CENTER PUMP FILTER MODULE DELTA PRESSURE SWITCH. REPLACED ''O'' RING.

Next page: https://openairdocs.org/jasc/2917/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 = '2917'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2917/reports

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