# JASC 3520: Passenger Oxygen System - Type: JASC system/component code (FAA) - ATA chapter: 35 Oxygen - Title in the code table: PASSENGER OXYGEN SYSTEM - Service difficulty reports: 2,732 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=41 - Page: https://openairdocs.org/jasc/3520 ## What it covers The portion of the main system which furnishes oxygen to the passengers. ## Latest service difficulty reports - [SDR QXEA2026101300194](https://openairdocs.org/sdr/QXEA2026101300194), Oct 11, 2026: OXYGEN BOX, MALFUNCTIONED (N648QX) - [SDR 2026F00225](https://openairdocs.org/sdr/2026F00225), Oct 9, 2026: LINE, DISCONNECTED (N873C) - [SDR QXEA2026100100182](https://openairdocs.org/sdr/QXEA2026100100182), Sep 29, 2026: PIN, MISALIGNED (N626QX) - [SDR QXEA2026100100180](https://openairdocs.org/sdr/QXEA2026100100180), Sep 28, 2026: PIN, MISALIGNED (N654QX) - [SDR DALA2026100105467](https://openairdocs.org/sdr/DALA2026100105467), Sep 27, 2026: OXYGEN MASK, UNSECURE (N340NW) - [SDR QXEA2026100100187](https://openairdocs.org/sdr/QXEA2026100100187), Sep 27, 2026: PIN, MISALIGNED (N625QX) - [SDR QXEA2026100100184](https://openairdocs.org/sdr/QXEA2026100100184), Sep 27, 2026: PIN, MISALIGNED (N622QX) - [SDR QXEA2026100100181](https://openairdocs.org/sdr/QXEA2026100100181), Sep 27, 2026: PIN, MISALIGNED (N633QX) - [SDR DALA2026100105464](https://openairdocs.org/sdr/DALA2026100105464), Sep 26, 2026: OXYGEN MASK, UNWANTED DEPLOY (N349NW) - [SDR QXEA2026100100189](https://openairdocs.org/sdr/QXEA2026100100189), Sep 26, 2026: LANYARD, MISALIGNED (N634QX) - [SDR QXEA2026100100188](https://openairdocs.org/sdr/QXEA2026100100188), Sep 26, 2026: LANYARD, MISALIGNED (N657QX) - [SDR QXEA2026100100186](https://openairdocs.org/sdr/QXEA2026100100186), Sep 26, 2026: LANYARD, MISALIGNED (N647QX) - [SDR QXEA2026100100185](https://openairdocs.org/sdr/QXEA2026100100185), Sep 25, 2026: LANYARD, MISALIGNED (N664QX) - [SDR QXEA2026100100183](https://openairdocs.org/sdr/QXEA2026100100183), Sep 25, 2026: LANYARD, MISALIGNED (N671QX) - [SDR QXEA2026100100179](https://openairdocs.org/sdr/QXEA2026100100179), Sep 25, 2026: OXYGEN GEN, MISINSTALLED (N670QX) - [SDR DALA2026092805367](https://openairdocs.org/sdr/DALA2026092805367), Sep 25, 2026: OXYGEN PANEL, UNSECURE (N327NB) - [SDR AALA202609245386](https://openairdocs.org/sdr/AALA202609245386), Sep 21, 2026: OXYGEN GEN, ACTIVATED (N723AN) - [SDR AALA202609235386](https://openairdocs.org/sdr/AALA202609235386), Sep 21, 2026: OXYGEN GEN, ACTIVATED (N723AN) - [SDR DALA2026092205296](https://openairdocs.org/sdr/DALA2026092205296), Sep 21, 2026: OXYGEN GEN, WRONG PART (N339NB) - [SDR DALA2026100705546](https://openairdocs.org/sdr/DALA2026100705546), Sep 16, 2026: TEE FITTING, DISCONNECTED (N709TW) - [SDR DALA2026091305110](https://openairdocs.org/sdr/DALA2026091305110), Sep 12, 2026: PANEL, DETACHED (N337NB) - [SDR YENA2026091100793](https://openairdocs.org/sdr/YENA2026091100793), Sep 11, 2026: OXYGEN BOX, NO TEST (N4062J) - [SDR DALA2026091405123](https://openairdocs.org/sdr/DALA2026091405123), Sep 10, 2026: LATCH, BROKEN (N827NW) - [SDR YENA2026091100794](https://openairdocs.org/sdr/YENA2026091100794), Sep 7, 2026: OXYGEN BOX, NO TEST (N633JB) - [SDR DALA2026090304978](https://openairdocs.org/sdr/DALA2026090304978), Sep 2, 2026: OXYGEN MASK, UNWANTED DEPLOY (N970AT) - [SDR DALA2026090204957](https://openairdocs.org/sdr/DALA2026090204957), Sep 2, 2026: OXYGEN MASK, UNWANTED DEPLOY (N803NW) - [SDR DALA2026090304976](https://openairdocs.org/sdr/DALA2026090304976), Sep 1, 2026: O2 GENERATOR, EXPIRED (N581NW) - [SDR UIEA2026083000823](https://openairdocs.org/sdr/UIEA2026083000823), Aug 30, 2026: DOOR, BROKEN (N641GT) - [SDR DALA2026082504806](https://openairdocs.org/sdr/DALA2026082504806), Aug 23, 2026: OXYGEN MASK, UNWANTED DEPLOY (N341NW) - [SDR DALA2026082404796](https://openairdocs.org/sdr/DALA2026082404796), Aug 21, 2026: OXYGEN MASK, UNSECURE (N936AT) - [SDR 2026FA0000647](https://openairdocs.org/sdr/2026FA0000647), Aug 17, 2026: LINE, LEAKING (N706GA) - [SDR DALA2026081004596](https://openairdocs.org/sdr/DALA2026081004596), Aug 5, 2026: OXYGEN BOX, UNWANTED DEPLOY (N369NB) - [SDR DALA2026072804385](https://openairdocs.org/sdr/DALA2026072804385), Jul 24, 2026: OXYGEN MASK, UNWANTED DEPLOY (N336NW) - [SDR UIEA2026071400606](https://openairdocs.org/sdr/UIEA2026071400606), Jul 14, 2026: OXYGEN MASK, INOPERATIVE (N708GT) - [SDR DALA2026071504157](https://openairdocs.org/sdr/DALA2026071504157), Jul 12, 2026: OXYGEN MASK, UNWANTED DEPLOY (N335NW) - [SDR DALA2026071304120](https://openairdocs.org/sdr/DALA2026071304120), Jul 10, 2026: OXYGEN MASK, UNWANTED DEPLOY (N142DU) - [SDR DALA2026071304116](https://openairdocs.org/sdr/DALA2026071304116), Jul 10, 2026: OXYGEN PANEL, INOPERATIVE (N142DU) - [SDR DALA2026071304090](https://openairdocs.org/sdr/DALA2026071304090), Jul 6, 2026: OXYGEN MASK, UNWANTED DEPLOY (N341NW) - [SDR DALA2026071004046](https://openairdocs.org/sdr/DALA2026071004046), Jul 3, 2026: OXYGEN BOX, OPEN (N359NW) - [SDR DALA2026070603934](https://openairdocs.org/sdr/DALA2026070603934), Jul 3, 2026: PSEU, FAULTED (N3757D) - [SDR DALA2026070503906](https://openairdocs.org/sdr/DALA2026070503906), Jul 1, 2026: OXYGEN BOX, OPEN (N340NB) - [SDR DALA2026070803983](https://openairdocs.org/sdr/DALA2026070803983), Jun 30, 2026: LATCH, MISSING (N335NB) - [SDR AALA202606301252](https://openairdocs.org/sdr/AALA202606301252), Jun 28, 2026: OXYGEN MASK, NO TEST (N324RA) - [SDR DALA2026062903829](https://openairdocs.org/sdr/DALA2026062903829), Jun 28, 2026: DOOR, UNSECURE (N401DZ) - [SDR DALA2026062603807](https://openairdocs.org/sdr/DALA2026062603807), Jun 24, 2026: OXYGEN MASK, UNWANTED DEPLOY (N815NW) - [SDR DALA2026061903665](https://openairdocs.org/sdr/DALA2026061903665), Jun 18, 2026: OXYGEN MASK, UNWANTED DEPLOY (N413DX) - [SDR DALA2026062203692](https://openairdocs.org/sdr/DALA2026062203692), Jun 17, 2026: OXYGEN PANEL, OPEN (N341NW) - [SDR DALA2026061803649](https://openairdocs.org/sdr/DALA2026061803649), Jun 16, 2026: COVER, DETACHED (N413DX) - [SDR DALA2026061603601](https://openairdocs.org/sdr/DALA2026061603601), Jun 15, 2026: OXYGEN MASK, UNWANTED DEPLOY (N408DX) - [SDR DALA2026061503579](https://openairdocs.org/sdr/DALA2026061503579), Jun 14, 2026: OXYGEN MASK, UNWANTED DEPLOY (N824NW) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.