# JASC 7710: Power Indicating System - Type: JASC system/component code (FAA) - ATA chapter: 77 Engine Indicating - Title in the code table: POWER INDICATING SYSTEM - Service difficulty reports: 191 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=66 - Page: https://openairdocs.org/jasc/7710 ## What it covers For power indicating systems which directly or indirectly indicates power or thrust (i.e., brake mean effective pressure {BMEP}, engine pressure ratio {EPR}, RPM, etc.) but is not covered in JASC codes 7711 through 7722. ## Latest service difficulty reports - [SDR QMLA2026021320011](https://openairdocs.org/sdr/QMLA2026021320011), Feb 13, 2026: WARNING LIGHT, ILLUMINATED (N78NC) - [SDR ABXA2025623135](https://openairdocs.org/sdr/ABXA2025623135), Jun 23, 2025: SENSOR, FAULTED (N744AX) - [SDR DALA2025061604512](https://openairdocs.org/sdr/DALA2025061604512), Jun 16, 2025: THERMOCOUPLE, FAULTED (N899AT) - [SDR SWAA2024120974575](https://openairdocs.org/sdr/SWAA2024120974575), Dec 5, 2024: ENGINE, SMOKE (N295WN) - [SDR ASAA2023102845868](https://openairdocs.org/sdr/ASAA2023102845868), Oct 28, 2023: UNKNOWN, UNKNOWN (N979AK) - [SDR ASAA2023101345670](https://openairdocs.org/sdr/ASAA2023101345670), Oct 13, 2023: UNKNOWN, UNKNOWN (N562AS) - [SDR ASAA2023092645342](https://openairdocs.org/sdr/ASAA2023092645342), Sep 26, 2023: SENSOR, FAULTY (N938AK) - [SDR ASAA2023090845003](https://openairdocs.org/sdr/ASAA2023090845003), Sep 8, 2023: SENSOR, UNKNOWN (N973AK) - [SDR ASAA2023082644798](https://openairdocs.org/sdr/ASAA2023082644798), Aug 26, 2023: UNKNOWN, UNKNOWN (N973AK) - [SDR ASAA2023081144554](https://openairdocs.org/sdr/ASAA2023081144554), Aug 11, 2023: UNKNOWN, UNKNOWN (N973AK) - [SDR DALA2023062705161](https://openairdocs.org/sdr/DALA2023062705161), Jun 25, 2023: UNKNOWN, UNKNOWN (N301DU) - [SDR 2023F00138](https://openairdocs.org/sdr/2023F00138), May 10, 2023: TRANSMITTER, FALSE INDICATION (N453MH) - [SDR ASAA2023041942923](https://openairdocs.org/sdr/ASAA2023041942923), Apr 19, 2023: UNKNOWN, FAULTY (N559AS) - [SDR ASAA2023030142353](https://openairdocs.org/sdr/ASAA2023030142353), Mar 1, 2023: SENSOR, OUT OF RANGE (N931AK) - [SDR ASAA2023020741911](https://openairdocs.org/sdr/ASAA2023020741911), Feb 7, 2023: SENSOR, FAILED (N936AK) - [SDR ASAA2023020241838](https://openairdocs.org/sdr/ASAA2023020241838), Feb 2, 2023: SENSOR, NOT REPORTED (N533AS) - [SDR ASAA2022110140870](https://openairdocs.org/sdr/ASAA2022110140870), Nov 1, 2022: SENSOR, FAULTED (N977AK) - [SDR ASAA2022052138416](https://openairdocs.org/sdr/ASAA2022052138416), May 21, 2022: SENSOR, FAILED (N517AS) - [SDR ASAA2022052038415](https://openairdocs.org/sdr/ASAA2022052038415), May 20, 2022: SENSOR, FAILED (N517AS) - [SDR IPXA2022050481755](https://openairdocs.org/sdr/IPXA2022050481755), May 4, 2022: THROTTLE, INOPERATIVE (N302UP) - [SDR ASAA2022021537517](https://openairdocs.org/sdr/ASAA2022021537517), Feb 15, 2022: SENSOR, INOPERATIVE (N585AS) - [SDR QXEA2021122900568](https://openairdocs.org/sdr/QXEA2021122900568), Dec 29, 2021: NONE, NONE (N450QX) - [SDR AALA202112285883](https://openairdocs.org/sdr/AALA202112285883), Dec 27, 2021: SENSOR, DEFECTIVE (N952NN) - [SDR AC22022F00000](https://openairdocs.org/sdr/AC22022F00000), Dec 6, 2021: WIRE HARNESS, UNSERVICEABLE (N639WW) - [SDR ASAA2021111236595](https://openairdocs.org/sdr/ASAA2021111236595), Nov 12, 2021: SENSOR, INOPERATIVE (N291BT) - [SDR ASAA2021100236157](https://openairdocs.org/sdr/ASAA2021100236157), Oct 2, 2021: UNKNOWN, UNKNOWN (N920AK) - [SDR ASAA2021062835193](https://openairdocs.org/sdr/ASAA2021062835193), Jun 28, 2021: STATUS MESSAGE, ILLUMINATED (N918AK) - [SDR IPXA2021042668624](https://openairdocs.org/sdr/IPXA2021042668624), Apr 23, 2021: TRANSMITTER, INTERMITTENT (N448UP) - [SDR AALA202102059003](https://openairdocs.org/sdr/AALA202102059003), Feb 4, 2021: EIU, FAULT MESSAGE (N510UW) - [SDR ASAA2019061099652](https://openairdocs.org/sdr/ASAA2019061099652), Jun 9, 2019: SENSOR, FAILED (N407AS) - [SDR RAIA201905190001](https://openairdocs.org/sdr/RAIA201905190001), May 19, 2019: CONTROL SYSTEM, INOPERATIVE (N18102) - [SDR AALA201905149002](https://openairdocs.org/sdr/AALA201905149002), May 12, 2019: LINE, LOOSE (N342AN) - [SDR SWIA2019050845869](https://openairdocs.org/sdr/SWIA2019050845869), May 7, 2019: SENSOR, FAULTY (N8933B) - [SDR ASAA2019022328336](https://openairdocs.org/sdr/ASAA2019022328336), Feb 23, 2019: INDICATION SYS, UNKNOWN (N581AS) - [SDR IPXA2019021548996](https://openairdocs.org/sdr/IPXA2019021548996), Feb 14, 2019: EPR SYSTEM, WARNING MESSAGE (N457UP) - [SDR ASAA2018113027194](https://openairdocs.org/sdr/ASAA2018113027194), Nov 30, 2018: ENGINE, FAULTED (N928VA) - [SDR ASAA2018092426233](https://openairdocs.org/sdr/ASAA2018092426233), Sep 21, 2018: WARNING SYSTEM, FALSE ACTIVATION (N928VA) - [SDR ASAA2018091926173](https://openairdocs.org/sdr/ASAA2018091926173), Sep 18, 2018: WARNING SYSTEM, FALSE ACTIVATION (N925VA) - [SDR ASAA2018091726113](https://openairdocs.org/sdr/ASAA2018091726113), Sep 11, 2018: WARNING SYSTEM, FALSE ACTIVATION (N925VA) - [SDR ANCF2018101500000](https://openairdocs.org/sdr/ANCF2018101500000), Aug 31, 2018: UNKNOWN, MALFUNCTIONED (N810AV) - [SDR AALA2018083029004](https://openairdocs.org/sdr/AALA2018083029004), Aug 28, 2018: TRANSMITTER, FAULTED (N196AA) - [SDR ASAA2018082415893](https://openairdocs.org/sdr/ASAA2018082415893), Aug 21, 2018: FADEC, UNKNOWN (N925VA) - [SDR DALA2018081305050](https://openairdocs.org/sdr/DALA2018081305050), Aug 11, 2018: PROBE, FAULTED (N803NW) - [SDR HALA2018062500198](https://openairdocs.org/sdr/HALA2018062500198), Jun 23, 2018: B-NUT, LOOSE (N390HA) - [SDR ASAA2018062325181](https://openairdocs.org/sdr/ASAA2018062325181), Jun 23, 2018: WARNING SYSTEM, FALSE ACTIVATION (N921VA) - [SDR HALA2018062300197](https://openairdocs.org/sdr/HALA2018062300197), Jun 22, 2018: PROBE, MALFUNCTIONED (N390HA) - [SDR ASAA2018062125149](https://openairdocs.org/sdr/ASAA2018062125149), Jun 21, 2018: WARNING SYSTEM, INTERMITTENT (N921VA) - [SDR ASAA2018032424038](https://openairdocs.org/sdr/ASAA2018032424038), Mar 24, 2018: FAULT MESSAGE, FALSE ACTIVATION (N923VA) - [SDR AALA20180211003](https://openairdocs.org/sdr/AALA20180211003), Feb 9, 2018: TRANSMITTER, FAULTY (N173AN) - [SDR ASAA2017051120741](https://openairdocs.org/sdr/ASAA2017051120741), May 11, 2017: SENSOR, INTERMITTENT (N431AS) --- From OpenAirDocs.org, an independent open copy of FAA data. 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