# JASC 5420: Nacelle/Pylon Miscellaneous Structure

- Type: JASC system/component code (FAA)
- ATA chapter: 54 Nacelles/Pylons
- Title in the code table: NACELLE/PYLON MISCELLANEOUS STRUCT.
- Service difficulty reports: 3,945
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=50
- Page: https://openairdocs.org/jasc/5420

## What it covers

For reports of miscellaneous structure on the nacelle/pylon structure which aids in the support of the primary structure. Includes such items as brackets, channels, stiffeners, doublers, clips, etc.

## Latest service difficulty reports

- [SDR IPXA2026101497479](https://openairdocs.org/sdr/IPXA2026101497479), Oct 5, 2026: STRAP, BROKEN (N364UP)
- [SDR REXA2026101601942](https://openairdocs.org/sdr/REXA2026101601942), Sep 29, 2026: SHIM, CRACKED (N296PQ)
- [SDR IXXA20260927001](https://openairdocs.org/sdr/IXXA20260927001), Sep 27, 2026: SPLICE PLATE, CRACKED (N337AZ)
- [SDR IPXA2026092172477](https://openairdocs.org/sdr/IPXA2026092172477), Sep 16, 2026: ANGLE, CRACKED (N355UP)
- [SDR SWAA2026092100094](https://openairdocs.org/sdr/SWAA2026092100094), Sep 15, 2026: FAIRING, CRACKED (N8733M)
- [SDR SWAA2026101452659](https://openairdocs.org/sdr/SWAA2026101452659), Sep 11, 2026: WEB, CRACKED (N8656B)
- [SDR IPXA2026100786152](https://openairdocs.org/sdr/IPXA2026100786152), Sep 10, 2026: SUPPORT ANGLE, CRACKED (N402UP)
- [SDR IPXA2026092286010](https://openairdocs.org/sdr/IPXA2026092286010), Sep 10, 2026: ANGLE, CRACKED (N402UP)
- [SDR CALA2026091519431](https://openairdocs.org/sdr/CALA2026091519431), Sep 10, 2026: SUPPORT BEAM, WORN (N73299)
- [SDR CALA2026090919317](https://openairdocs.org/sdr/CALA2026090919317), Sep 4, 2026: FITTING, CRACKED (N77542)
- [SDR MASA202609142044](https://openairdocs.org/sdr/MASA202609142044), Sep 1, 2026: BRACKET, CORRODED (N87303)
- [SDR IPXA2026090324466](https://openairdocs.org/sdr/IPXA2026090324466), Aug 26, 2026: BRACKET, CRACKED (N305UP)
- [SDR SWAA2026082883483](https://openairdocs.org/sdr/SWAA2026082883483), Aug 24, 2026: FASTENER, DAMAGED (N8306H)
- [SDR IPXA2026082980687](https://openairdocs.org/sdr/IPXA2026082980687), Aug 23, 2026: BRACKET, CRACKED (N441UP)
- [SDR SWAA2026091028072](https://openairdocs.org/sdr/SWAA2026091028072), Aug 11, 2026: FAIRING, CRACKED (N931WN)
- [SDR AALA202608186787](https://openairdocs.org/sdr/AALA202608186787), Aug 10, 2026: ATTACH ANGLE, CRACKED (N958NN)
- [SDR IXXA2026081601](https://openairdocs.org/sdr/IXXA2026081601), Aug 6, 2026: STIFFENER, CRACKED (N337AZ)
- [SDR KCSA202608061151](https://openairdocs.org/sdr/KCSA202608061151), Aug 6, 2026: ANGLE, CRACKED (N741CK)
- [SDR IXXA20260803001](https://openairdocs.org/sdr/IXXA20260803001), Aug 3, 2026: STIFFENER, CHAFED (N379AZ)
- [SDR IPXA2026080877850](https://openairdocs.org/sdr/IPXA2026080877850), Aug 2, 2026: CHANNEL, CRACKED (N362UP)
- [SDR IPXA2026081368122](https://openairdocs.org/sdr/IPXA2026081368122), Aug 1, 2026: ANGLE, DAMAGED (N362UP)
- [SDR SWAA2026081724279](https://openairdocs.org/sdr/SWAA2026081724279), Jul 26, 2026: STIFFENER, DAMAGED (N7848A)
- [SDR IXXA20260726001](https://openairdocs.org/sdr/IXXA20260726001), Jul 26, 2026: STIFFENER, CRACKED (N491AZ)
- [SDR IPXA2026072693391](https://openairdocs.org/sdr/IPXA2026072693391), Jul 22, 2026: RUB STRIP, CHAFED (N373UP)
- [SDR IPXA2026072791107](https://openairdocs.org/sdr/IPXA2026072791107), Jul 22, 2026: BRACKET, WORN (N373UP)
- [SDR FDEA202607220987](https://openairdocs.org/sdr/FDEA202607220987), Jul 22, 2026: FITTING, CRACKED (N962FD)
- [SDR IPXA2026073182994](https://openairdocs.org/sdr/IPXA2026073182994), Jul 21, 2026: SUPPORT BRACKET, CRACKED (N438UP)
- [SDR IPXA2026073083990](https://openairdocs.org/sdr/IPXA2026073083990), Jul 21, 2026: SUPPORT ANGLE, CRACKED (N424UP)
- [SDR IPXA2026072237604](https://openairdocs.org/sdr/IPXA2026072237604), Jul 19, 2026: ADAPTER, CHAFED (N363UP)
- [SDR IPXA2026072237841](https://openairdocs.org/sdr/IPXA2026072237841), Jul 19, 2026: BRACKET, CHAFED (N363UP)
- [SDR IPXA2026072204865](https://openairdocs.org/sdr/IPXA2026072204865), Jul 17, 2026: RETAINER, BROKEN (N363UP)
- [SDR SWAA2026072180168](https://openairdocs.org/sdr/SWAA2026072180168), Jul 17, 2026: HEAT SHIELD, CRACKED (N8746Q)
- [SDR IPXA2026082697869](https://openairdocs.org/sdr/IPXA2026082697869), Jul 16, 2026: SUPPORT ANGLE, BROKEN (N136UP)
- [SDR IPXA2026072289584](https://openairdocs.org/sdr/IPXA2026072289584), Jul 16, 2026: BEAM, CRACKED (N363UP)
- [SDR IPXA2026091760882](https://openairdocs.org/sdr/IPXA2026091760882), Jul 14, 2026: WEB, CRACKED (N136UP)
- [SDR SWAA2026080502010](https://openairdocs.org/sdr/SWAA2026080502010), Jul 14, 2026: WEB, CRACKED (N953WN)
- [SDR IPXA2026091326044](https://openairdocs.org/sdr/IPXA2026091326044), Jul 12, 2026: STRIP, CRACKED (N136UP)
- [SDR IPXA2026081825839](https://openairdocs.org/sdr/IPXA2026081825839), Jul 12, 2026: GUSSET, CORRODED (N136UP)
- [SDR IPXA2026072585472](https://openairdocs.org/sdr/IPXA2026072585472), Jul 9, 2026: SUPPORT ANGLE, CRACKED (N136UP)
- [SDR IPXA2026091162158](https://openairdocs.org/sdr/IPXA2026091162158), Jul 8, 2026: WEB, CRACKED (N144UP)
- [SDR IPXA2026081862645](https://openairdocs.org/sdr/IPXA2026081862645), Jul 8, 2026: PLATE, CRACKED (N144UP)
- [SDR IPXA2026071314904](https://openairdocs.org/sdr/IPXA2026071314904), Jul 5, 2026: BRACKET, CRACKED (N453UP)
- [SDR IPXA2026071080473](https://openairdocs.org/sdr/IPXA2026071080473), Jul 3, 2026: BRACKET, BROKEN (N386UP)
- [SDR GRTA20260715002](https://openairdocs.org/sdr/GRTA20260715002), Jul 1, 2026: ANGLE, CRACKED (N503AW)
- [SDR GRTA20260715001](https://openairdocs.org/sdr/GRTA20260715001), Jul 1, 2026: ANGLE, CRACKED (N503AW)
- [SDR SWAA2026070217562](https://openairdocs.org/sdr/SWAA2026070217562), Jul 1, 2026: FAIRING, CRACKED (N8563Z)
- [SDR IPXA2026070294028](https://openairdocs.org/sdr/IPXA2026070294028), Jun 28, 2026: BRACKET, CHAFED (N304UP)
- [SDR CALA2026063017454](https://openairdocs.org/sdr/CALA2026063017454), Jun 28, 2026: SUPPORT ANGLE, CRACKED (N67134)
- [SDR IPXA2026070684487](https://openairdocs.org/sdr/IPXA2026070684487), Jun 27, 2026: BRACKET, DEFORMED (N304UP)
- [SDR IPXA2026070684503](https://openairdocs.org/sdr/IPXA2026070684503), Jun 27, 2026: BRACKET, CHAFED (N304UP)

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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.