JASC 3597

Service difficulty reports · 67

Reports filed under 3597 · Oxygen System Wiring, 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 = '3597'
  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 UIEA2026081400760Wire · damagedCENTER SECTION ROW 26 AND AFT DID NOT DEPLOY O2 MASKS, REPAIRED WIRE W0720-01-14 BTWN PANEL P19 AND CONNECTOR D6000. OPS CHECKED GOOD IAW SWPM 20-10-11, WDM 35-21-14, AND AMM 35-21-00.Aug 14, 2026 · N664GT · Boeing 76731BSDR ABXA20260807351Elec Connector · defectiveON PREDEPARTURE CHECK EICAS OXYGEN PRESS READS 40 PSI BOTTLE 1. ACTUAL READINGS BOTTLE #1 1850 PSI BOTTLE #2 1450 PSI. DEFERRED CREW BOTTLE #1 EICAS INDICATION IAW ABX MEL 35-11-2-1 VERIFIED O2 BOTTLES OPEN MX ACTIONS C/W, PLACARD INSTALLED. VERIFY PRESSURE ABAug 7, 2026 · N1361A · Boeing 76731BSDR AALA202606299168Elec Connector · disconnectedAIRCRAFT IN BASE MAINTENANCE: FORWARD LEFT ATTENDANT OXYGEN MASK DID NOT DEPLOY. CONNECTED ELECTRICAL CONNECTOR ON FORWARD ENTRY HEADER PANEL PER AMM 25-21-34.Jun 28, 2026 · N324RA · Boeing 7378SDR AALA202606152795Elec Connector · inoperativeAIRCRAFT IN BASE MAINTENANCE: PAX OXY SYS DROP TEST FOUND SEAT 5 DH OXY CONTAINER DOOR ACTUATOR NOT ACTIVATED. PAX OXY SYSTEM ELECTRICAL CONNECTOR DM33232B REPLACED AND PAX OXY SYSTEM DROP TEST RESULT NORMAL, SEAT 5DH OXY CONTAINER DOOR OPENED IAW AMM 35-21-0Jun 13, 2026 · N718AN · Boeing 777323ERSDR DALA2026030301462Harness · brokenOXYGEN PANEL AT ROW 27 ABC DID NOT DROP WHILE WORKING CARD 2527- 01041-02. FOUND JUMPER BETWEEN SPEAKER AND PSU, BROKEN. REMOVED SND REPLACED JUMPER HARNESS IAW AMM 25-25-23. OPS CHECK GOOD. (LP: 8464026)Feb 27, 2026 · N314NB · Airbus A319114SDR DALA2025121709177Elec Connector · shortedPERFORMING OPS CHECK OF MANUAL MASK RELEASE FOUND MULTIPLE MASKS FAIL DROP. WHEN INITIATING DROP TEST OF MASKS FOUND BREAKER HA06 ON THE OVERHEAD C/B PANEL POPPED WHEN PUSHING THE MAN MASK BUTTON. SUSPECT WIRES SHORTING. CHECKED WIRES END TO END, AND END TODec 13, 2025 · N378NW · Airbus A320211SDR DALA2025090206520Wire Harness · damagedDURING MASK MANUAL DROP TEST FOUND ROW 27 ABC MASKS NOT DROPPING. FOUND WIRE HARNESS F224270-507 DAMAGED. R & R WIRE HARNESS F224270 -507 AT 27ABC REF AMM 25-25 AND CMM 25-25, AND AWM 23- 73. OPS TEST GOOD. DROP TEST GOOD IAW AMM 35-23-00. (LP: 7403315)Sep 1, 2025 · N347NW · Airbus A320212SDR CALA2024070900172Connector · disconnectedREF LP 8522219, DR 1 RH ATTENDANT OXYGEN MASK DID NOT DEPLOY. FOUND CONNECTOR D7180P DISCONNECTED AND STOWED IN ESD BAG IN RH CEILING AREA. CONNECTED AND SECURED D7180P IN CEILING REF WDM 35-21-31-4. DR1R MASK MAN DROP TEST PASS REF AMM 35-22-00-700-802.Jul 6, 2024 · N69830 · Boeing 737924ERSDR CALA2024040300956Wire · shearedPANEL CAME DOWN AT 33 DEF REDO 1 PIN OR REPLACEMENT OF MODULE PER WDM 35-21-14. HANDED OVER TO OPPOSITE CREW. PRELIMINARY INSPECTIONS OF 33DEF FOUND OXY MASK DEPLOYMENT WIRING FOR MODULE M00064 WITH WIRE BUNDLE W1170 AND WIRES121-20R AND W1170-122-20G OF CANNApr 3, 2024 · N658UA · Boeing 767322SDR AALA202109142782Wire Harness · misinstalledAIRCRAFT IN BASE MAINTENANCE: DURING OPERATIONAL CHECK OF THE MANUAL MASK RELEASE NOT DEPLOYED CONTAINER OXYGEN ON DOOR R1. FOUND ELECTRICAL WIRING OF CONTAINER OXYGEN BOX 40RW INCORRECTLY INSTALLED, WIRING CORRECTLY INSTALLED AND A SATISFACTORY OPERATIONAL CHSep 12, 2021 · N538UW · Airbus A321231SDR P5CA2021012700027Volt Regulator · failedCREW OXY PRESS IND CORRUPT (IND: 1100 PSI, ACTUAL: 1650). REPLACED VOLTAGE AVERAGING UNIT AND OPERATIONS CHECK NORMAL, PER AMM 35-11-06.Jan 26, 2021 · N643GT · Boeing 7673JHFSDR UIEA2020121802594Ground Wire · brokenCREW O2 PRESS IND INOPERABLE. TRANSFERRED TO DMI 139696, IAW MEL 35-11-02-01, CAT B. FOUND GROUND BROKEN OFF AT CONNECTOR D752. REPAIRED IAW SWPM 20-30-00. PERFORMED OPERATIONAL CHECK IAW AMM 35-11-00, NO FAULTS NOTED.Dec 17, 2020 · N1487A · Boeing 76731KSDR DALA2020100903319Wire Harness · damagedPSU 02 PANEL AT SEAT 1AB DID NOT DROP CORR: HARNESS DAMAGED, R/R HARNESS LEADING TO SOLENOID PER CMMOct 7, 2020 · N345NB · Airbus A319114SDR UIEA2020031300439Wire · damagedF/O O2 MASK WILL NOT TEST.(<P>FOUND WIRE GOING INTO FO'S MASK TO BE DAMAGED. RESPLICED WIRE IAW SWPM 20-10-13. OPS CHECKED FO'S MASK IAW 35-11-51. OPS CHECKED GOOD AT THIS TIME.</P>)Mar 12, 2020 · N1381A · Boeing 767316SDR DALA2019053003316Wire · damagedREF WDM 35-24-01 WIRE W638CL20 HAS HEAT DAMAGE IN F/C CABIN OVER HEAD AREA. REMOVED AND REPLACED WIRE #W638CL20 FROM CONNECTOR R5-1200 PIN FF TO BUTT SPICE REPAIR ABOVE CEILING PANEL ROW 2CD PER SPWD 20-31. WIRING CKS IAW WDM 35-24-01. PERFORMED PAX O2 SYSTEM May 29, 2019 · N990DL · Doug MD88SDR UIEA2019013103070Connector · damagedCAPTAIN'S OXYGEN MASK ELECTRICAL CONNECTOR IS MISSING BACK-SHELL STRAIN RELIEF AND MISSING EDGE PROTECTION FOR SCREWS. (<P>REPAIRED CAPTAIN OXYGEN MASK BACK-SHELL I.A.W SWPM 20-00-11. OPS CHECK GOOD AMM 35-11-00-715-256.</P>)Jan 29, 2019 · N658GT · Boeing 767281SDR UIEA2019010700039Connector · disconnectedFIRST OFFICERS OXYGEN MASK MICROPHONE DOES NOT TEST SUCCESSFULLY.(<P>FOUND MASK MIC FO SIDE CONNECTOR DISCONNECTED - RE-SECURED AS REQUIRED - OPS TEST GOOD IAW 35-11-51.<BR /></P>)Jan 7, 2019 · N1409A · Boeing 767306SDR AALA201810297004Wire · brokenPASSENGER SEAT 5A OXYGEN MASK DOOR FAILED TO OPEN DURING AN OXYGEN MASK DROP TEST. REPAIRED BROKEN WIRES. OPS CHECKED GOOD IAW WDM 35-21-12, SWPM 20-10-13, AND AMM 35-21-00-710-801.Oct 27, 2018 · N794AN · Boeing 777223SDR AALA20180529005Connector · shortedAIRCRAFT WAS IN BASE MAINTENANCE. WHILE PERFORMING TEST DROP OF PASSENGER OXYGEN MASKS FOR CUSTOMER CARD B1910AC-0012 CENTER SYSTEM DOORS DO NOT OPEN AND CIRCUIT BREAKER C35405 IN P310 PANEL POPS. TROUBLE SHOT WIRING PER WDM 35-21-23 AND FOUND PIN 1 SHORTED TOMay 27, 2018 · N734AR · Boeing 777323ERSDR A6WA2018052945853Connector · unsecureDURING OPERATIONAL TEST OF PAX O2, PSU AT ROW 6CD FAILED TO DEPLOY. RESECURED CONNECTOR TO DEPLOY SOLENOID. SUBSEQUENT OPS TEST OF PAX O2 SYSTEM, AMM 35-20-00 PROVES GOOD.May 27, 2018 · N432AW · Cndair CL6002B19SDR M52R2017101601Pin · unsecureL2 DOOR FLIGHT ATTENDANT OXYGEN MASK DOOR DOESN'T UNLATCH DURING MANUAL RELEASE CHECK. TROUBLESHOOT THE FLIGHT ATTENDANT OXYGEN MASK DOOR LATCH. FOUND PIN F ON 7227VT NOT SEATED. REINSTALLED THE PIN IAW AWM 35-23-06, P 0105, SHEET 1. OPS CHECKED GOOD IAW AMMOct 16, 2017 · N327NV · Airbus A319111SDR DXTR2017090601Wire · miswiredWHILE PERFORMING PASSENGER OXYGEN SYSTEM FUNCTIONAL CHECK IAW AAIP B350100 WHICH LINKS TO AMM 35-01-00-710, FOUND THE SYSTEM FAILED TO DEPLOY MASKS AT THE REQUIRED CABIN ALTITUDE OF 14,500 FT. +/- 500 FT. WITH THE PASSENGER OXYGEN CONTROLLER IN THE AUTO POSIAug 27, 2017 · N659QS · Cessna 560XLSDR QMLA2016122616147Ground Wire · disconnectedTHE CELESTIAL ILLUMINATION WAS DIMINISHING AND THE CREW ASKED FOR THE CABIN LIGHTING. TURNING ON THE LIGHTING, THE REAR CABIN LIGHTING DIMMED, FLICKERED, AND BRIGHTENED BEFORE GOING OUT. THE CABIN LIGHTING SWITCH RESET TO OFF. REPORT OF SMOKE AND FUMES IN THEDec 26, 2016 · N603CF · Agusta A119SDR REXA2016083101714Connector · inoperativePASSENGER OXYGEN MASKS FAILED TO DROP AT SEATS 3CD, 5AB AND LAVATORY. RESEATED CONNECTORS J5 AS SEAT 3CD PSU, RESEATED PIN 4 IN CONNECTOR J5 AS SEAT 5AB PSU IAW ESPM 20-17-51. ADJUSTED LAVATORY 02 BOX DOOR IAW CMM 25-40-43. DISASSEMBLY STEP G.(1) AND ASSEMBAug 31, 2016 · N8847A · Cndair CL6002B19SDR REXA2015120901185Connector · unsecureCAPTAINS SIDE O2 MASK MIC DOES NOT WORK. SECURED CONNECTOR FOR CAPTAINS O2 MASK. COMPLETED OPERATIONS CHECKS OF O2 MASK IAW AMM 35-11-12. ALL CHECKED GOOD.Dec 9, 2015 · N820AY · Cndair CL6002B19SDR REXA2015120801192Wire · damagedDURING O2 DROP, RT SIDE PSU OXYGEN DOORS FAILED TO OPEN. REPAIRED WIRES AT FWD RT OVERHEAD BIN IAW AMM 20-11-00 PGS 14 & 15. STEP OPERATIONAL TESTED OK IAW AMM 35-20-00.Dec 8, 2015 · N8930E · Cndair CL6002B19SDR GTIA2014110801448Ground Wire · brokenOXYGEN MASK GROUND WIRE BROKEN. R & R OBSERVERS OXYGEN MASK IAW CMM 35-13-60. OPS CHECKED GOOD.Nov 8, 2014 · N524NK · Airbus A319132SDR CALA2013120293338Connector · brokenCREW O2 BOTTLE PRESS REGULATOR CONNECTOR BACKSHELL IS BROKEN & HAS SHARP EDGES. REPLACED BACKSHELL IAW WDM 35-13-01 & SPM 20-33-45 CHECKED OK.Nov 30, 2013 · N831UA · Airbus A319131SDR CALA2013111993040Connector · defectiveOXYGEN MASK DEFECTIVE AT FIRST OFFICER`S. MIC INOPERATIVE, ADJUSTED MIC CONNECTOR. O2 MASK MIC OPERATED NORMALLY AT GATE.Nov 16, 2013 · N529UA · Boeing 757222SDR CALA2013101592067Connector · unsecureFIRST OFFICERS O2 MASK MIC INOPERATIVE. SECURED MASK CONNECTOR & OPERATIONS CHECKED OKAY.Oct 14, 2013 · N477UA · Airbus A320232SDR UALA2013050803236Wire · exposedO2 MASK HAS BARE WIRES SHOWING. REPLACED MASK, OPS NORMAL.May 6, 2013 · N592UA · Boeing 757222SDR AALA20130329028Wire · looseFOUND LOOSE AUDIO/MICROPHONE WIRE AT CAPTAINS OXYGEN MASK. REMOVED AND REPLACED CAPTAINS O2 MASK.Mar 29, 2013 · N961AN · Boeing 737823SDR UALA2013031301495Wire · frayedF/O OXYGEN MASK WIRING FRAYED NEAR MASK. REPLACED O2 MASK.Mar 7, 2013 · N811UA · Airbus A319131SDR UALA2013010300036Wire · brokenCAPTAIN'S OXYGEN MASKS MICROPHONES INOP. FOUND BROKEN WIRE ON CAPT O2 STOWAGE BOX ASSY. REPLACED STOWAGE BOX, OPS CHECK NORMAL.Jan 3, 2013 · N853UA · Airbus A319131SDR RYNA201209190036Wire · damagedSEATS 1 H AND K O2 MASKS DID NOT DEPLOY ON THE DROP TEST. REPAIRED AND CORRECTED WIRING AT 1K AND 1H O2 MASK CONTAINER PER SCHM 35-23-03. ALL MASKS CHECKS OK ON DEPLOYMENT PER 35-21-804A.Sep 19, 2012 · N772RD · Airbus A330223SDR UALA2012041702321Wire · chafedCAPTAIN'S OXYGEN MASK MICROPHONE IS INOPERATIVE. SWAPPED CAPT'S AND SECOND OBS O2 STORAGE BOXES DUE TO A CHAFED WIRE. CAPT'S MASK NOW OPS CHECKS NORMAL FOR AUDIO AND O2.Apr 16, 2012 · N467UA · Airbus A320232SDR CALA2011042600309Connector · unsecureSEAT 29LK PSU OXYGEN DOOR OPERATION CHECK FAILED. SEAT 29 OK PSU OXYGEN DOOR ELECTRICAL CONNECTOR RE-SECURED AND OPERATION CHECKED NORMAL MM-35-21-00.Apr 25, 2011 · N76153 · Boeing 767224SDR UALA2010110104045Terminal Block · corrodedFOUND GROUND BLOCK GB21351-AC COMING APART AND CORRODED. PART IS LOCATED BY SEAT 22 AB. STA 1357 REF WIRING DIAGRAM. PSU'S OPEN FOR ACCESS. CLEANED & TREATED MINOR SURFACE CORROSION UNDER GROUND BLOCK. NEW GROUND BLOCK RIVETED IN PLACE. NEEDS WIRES HOOKED UP AOct 29, 2010 · N768UA · Boeing 777222SDR UALA2010092803576Wire · disconnectedPAX O2 GEN BOX, 10 DEF, DOES NOT OPEN WHEN TESTED. CONNECTED O2 CONTAINER WIRES. OPERATIONAL TEST OKAY.Sep 26, 2010 · N418UA · Airbus A320232SDR UALA2010090703276Wire · brokenWHILE REINSTALLING AFT LT DOOR OVERHEAD PANEL FOUND BROKEN WIRE ON THE OXYGEN GENERATOR. REPLACED O2 GEN ASSY, ACP O2 MASK DROP, CHECKED OK.Sep 5, 2010 · N416UA · Airbus A320232SDR CA100707010Connector · looseCREW REPORTED A LOUD BANG IN THE CABIN UPON LANDING & EICAS OXYGEN PRESSURE INDICATION DASHED. THE CIRCUIT BREAKER CBP2-P11 WAS FOUND POPPET OUT. TECHNICIAN INSPECTED THE AVIONICS BAY AND FOUND THE PRESSURE TRANSDUCER EXPLODED (SEE ATTACHED PICTURES THE WIRINGJul 1, 2010 · Cndair CL6002C10SDR MZZA2010061800011Connector · disconnectedSUPPORT TASK - AFT RIGHT SIDE, FLY ATTENDANT SERVICE UNIT O2 MASK DROP TEST FAIL. TROUBLESHOT FOUND CONNECTOR AT O2 MODULE NOT PROPERLY SEATED. INSTALLED PROPERLY AND SECURED REF SWP 20-35-11. DROP TEST MANUALLY CHECKED NORMAL REF B737 35-22-00. IDT TASK CJun 17, 2010 · N14228 · Boeing 737824SDR UALA2010041901290Terminal · shortedDURING O2 MASK DROP AT C4 VISIT ROWS 6, 8, 13, 15ABC-11 BC-17,19, 21, 23DEF AND LT FWD ATTENDANT DID NOT DROP AND BREAKERS HA 5,6 POPPED. REPAIRED AND OPS CHECKED THE SHORED TERMINAL AT TERMINAL BLOCK 7201VT, AFT CABIN, BLOCK 13 PIN WIRED-1346. OPS CHECKED GApr 17, 2010 · N826UA · Airbus A319131SDR UALA2009102203296Wire · frayedCAPTAIN'S OXYGEN MASK MICROPHONE IS INTERMITTENT. REPLACED O2 STOWAGE BOX DUE TO FRAYED WIRES.Oct 21, 2009 · N415UA · Airbus A320232SDR CA081201003Connector · misinstalled(CAN) PASSENGER O2 MASK WOULD NOT DEPLOY WHEN TESTED. SYSTEM TROUBLESHOT AND FOUND CONNECTOR P108 WAS NOT INSTALLED CORRECTLY. CONNECTOR REMOVED, INSPECTED AND REINSTALLED .O2 MASK FUNCTION CHECKED SERVICEABLE IAW AMM 35.Oct 9, 2008 · Lear 45LEARSDR AALA200802444Connector · looseINFLIGHT T267/25SEP MIA TO LAX. CREW REPORTED CREW OXYGEN INOPERATIVE INDICATION DURING CRUISE. LANDED IAH WITHOUT INCIDENT. SECURED LOOSE CONNECTOR AT BOTTLE PRESSURE TRANSMITTER. SYSTEM GROUND CHECKED NORMAL OPS.Sep 25, 2008 · N194AA · Boeing 757223SDR MAS2008F00011Connector · looseASH FLT 7330 SAV-IAD. CARGO BOTTLE LOW CAUTION MESSAGE. RE-SECURED LOOSE CONNECTOR TO LT BOTTLE. (S)Aug 3, 2008 · N77331 · Cndair CL6002B19SDR 2008UALA03318Wire · shortedFIRST OBSERVER'S MASK P/A DOES NOT TRANSMIT. WIRE SHORT. REPLACED FIRST OBSERVERS O2 MASK STOWAGE BOX, OPS CHECK GOOD.Jun 10, 2008 · N538UA · Boeing 757222SDR DL76L080759Connector · wornTHE PSU O2 CONNECTORS AT 37FG, 18AB, 23AB, 26AB, 33AB AND 35AB ARE WORN.May 7, 2008 · N188DN · Boeing 767332SDR DL76L080751Connector · brokenSEAT 41FG O2 CONNECTOR BROKEN. RE-TERMINATED IAW B767 WIRING DIAGRAM 35-21-13 AND BSWPM 20-10-13. OPS CHECK DONE ON OPN 6841.May 5, 2008 · N188DN · Boeing 767332
Back to JASC 3597