# JASC 7331: Fuel Flow Indicating

- Type: JASC system/component code (FAA)
- ATA chapter: 73 Engine Fuel and Control
- Title in the code table: FUEL FLOW INDICATING
- Service difficulty reports: 197
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=63
- Page: https://openairdocs.org/jasc/7331

## What it covers

The instrument which indicates the flow rate of metered fuel to the engine. Does not include the transmitter. Typical parts are indicator, power supply, needle, dial, etc.

## Latest service difficulty reports

- [SDR SWAA2026073058297](https://openairdocs.org/sdr/SWAA2026073058297), Jul 26, 2026: FUEL FEED, ERRATIC (N7889A)
- [SDR QXEA2026070600152](https://openairdocs.org/sdr/QXEA2026070600152), Jun 30, 2026: FUEL FEED, FAULTED (N630QX)
- [SDR I5PA2026031075701](https://openairdocs.org/sdr/I5PA2026031075701), Mar 10, 2026: TRANSMITTER, INTERMITTENT (N757QM)
- [SDR AALA202601090353](https://openairdocs.org/sdr/AALA202601090353), Jan 8, 2026: TRANSMITTER, LEAKING (N816NN)
- [SDR F3LA202510300320](https://openairdocs.org/sdr/F3LA202510300320), Oct 30, 2025: TRANSMITTER, LEAKING (N394FR)
- [SDR AALA202402194718](https://openairdocs.org/sdr/AALA202402194718), Feb 12, 2024: TRANSMITTER, FAULTY (N784AN)
- [SDR 2023F00262](https://openairdocs.org/sdr/2023F00262), Sep 1, 2023: TRANSMITTER, MISREPAIRED (N28BQ)
- [SDR NACA2022122400001](https://openairdocs.org/sdr/NACA2022122400001), Dec 24, 2022: INDICATOR, MALFUNCTIONED (N321CM)
- [SDR NACA2022121600001](https://openairdocs.org/sdr/NACA2022121600001), Dec 16, 2022: FUEL FEED, ERRATIC (N399CM)
- [SDR NACA2022120800002](https://openairdocs.org/sdr/NACA2022120800002), Dec 8, 2022: INDICATOR, ERRATIC (N399CM)
- [SDR NACA2022090800001](https://openairdocs.org/sdr/NACA2022090800001), Sep 8, 2022: NONE, FAILED (N351CM)
- [SDR UIEA2022082900917](https://openairdocs.org/sdr/UIEA2022082900917), Sep 7, 2022: NONE, NONE (N499MC)
- [SDR ASAA2022062438800](https://openairdocs.org/sdr/ASAA2022062438800), Jun 24, 2022: TRANSMITTER, LEAKING (N587AS)
- [SDR AALA202206097813](https://openairdocs.org/sdr/AALA202206097813), Jun 8, 2022: TRANSMITTER, LEAKING (N921US)
- [SDR I5PA2021120588802](https://openairdocs.org/sdr/I5PA2021120588802), Dec 5, 2021: NONE, FAULTY (N888LT)
- [SDR QR9R20211116004](https://openairdocs.org/sdr/QR9R20211116004), Nov 16, 2021: PRESSURE SWITCH, ILLUMINATED
- [SDR NACA2021092400001](https://openairdocs.org/sdr/NACA2021092400001), Sep 24, 2021: NONE, NONE (N351CM)
- [SDR 9JLA2021081628405](https://openairdocs.org/sdr/9JLA2021081628405), Aug 8, 2021: FLOW SENSOR, DEFECTIVE (N850EN)
- [SDR HALA2021040600045](https://openairdocs.org/sdr/HALA2021040600045), Apr 5, 2021: METER, DEFECTIVE (N395HA)
- [SDR CALA2021040500421](https://openairdocs.org/sdr/CALA2021040500421), Apr 5, 2021: TRANSMITTER, FAULTED (N38458)
- [SDR 9JLA2021040524765](https://openairdocs.org/sdr/9JLA2021040524765), Apr 2, 2021: TRANSMITTER, FAULTED (N1JP)
- [SDR ASAA2021032734432](https://openairdocs.org/sdr/ASAA2021032734432), Mar 27, 2021: TRANSMITTER, FAULTY (N579AS)
- [SDR ASAA2021031934339](https://openairdocs.org/sdr/ASAA2021031934339), Mar 19, 2021: TRANSMITTER, LEAKING (N597AS)
- [SDR ASAA2021030134226](https://openairdocs.org/sdr/ASAA2021030134226), Mar 1, 2021: TRANSMITTER, LEAKING (N596AS)
- [SDR UIEA2021022400415](https://openairdocs.org/sdr/UIEA2021022400415), Feb 22, 2021: TRANSMITTER, MALFUNCTIONED (N663GT)
- [SDR UIEA2020091081967](https://openairdocs.org/sdr/UIEA2020091081967), Sep 6, 2020: INDICATION SYS, INTERMITTENT (N1381A)
- [SDR UIEA2020090801966](https://openairdocs.org/sdr/UIEA2020090801966), Sep 6, 2020: WARNING MESSAGE, FALSE ACTIVATION (N1381A)
- [SDR UIEA2020072311587](https://openairdocs.org/sdr/UIEA2020072311587), Jul 21, 2020: TRANSMITTER, FAILED (N1381A)
- [SDR I5PA2020051475701](https://openairdocs.org/sdr/I5PA2020051475701), May 12, 2020: TRANSMITTER, LEAKING (N757QM)
- [SDR UIEA2020041000732](https://openairdocs.org/sdr/UIEA2020041000732), Apr 10, 2020: TRANSMITTER, FAULTY (N1409A)
- [SDR UIEA2019070704690](https://openairdocs.org/sdr/UIEA2019070704690), Jul 6, 2019: INDICATION SYS, MALFUNCTIONED (N1409A)
- [SDR HNAA2019052200146](https://openairdocs.org/sdr/HNAA2019052200146), May 19, 2019: FLOW SENSOR, DEFECTIVE (N647AE)
- [SDR UIEA2019032803668](https://openairdocs.org/sdr/UIEA2019032803668), Mar 28, 2019: INDICATION SYS, MALFUNCTIONED (N1049A)
- [SDR IPXA2018033027996](https://openairdocs.org/sdr/IPXA2018033027996), Mar 27, 2018: INDICATOR, FAILED (N129UP)
- [SDR ASAA2017121222957](https://openairdocs.org/sdr/ASAA2017121222957), Dec 12, 2017: TRANSMITTER, DEFECTIVE (N579AS)
- [SDR HALA2017112900286](https://openairdocs.org/sdr/HALA2017112900286), Nov 29, 2017: TRANSMITTER, FAULTED (N391HA)
- [SDR JIKA2017103101](https://openairdocs.org/sdr/JIKA2017103101), Oct 31, 2017: FUEL LINE, LOOSE (N961CA)
- [SDR HALA2016121300543](https://openairdocs.org/sdr/HALA2016121300543), Dec 13, 2016: TRANSMITTER, ERRATIC (N382HA)
- [SDR COEA2015091601705](https://openairdocs.org/sdr/COEA2015091601705), Sep 16, 2015: B-NUT, LOOSE (N705FX)
- [SDR SIMA20140908004](https://openairdocs.org/sdr/SIMA20140908004), Sep 8, 2014: WARNING SYSTEM, FALSE ACTIVATION (N653AE)
- [SDR YENA20140904176](https://openairdocs.org/sdr/YENA20140904176), Sep 4, 2014: PRESSURE SWITCH, FAILED (N296JB)
- [SDR HYIA20140905116](https://openairdocs.org/sdr/HYIA20140905116), Sep 1, 2014: TRANSDUCER, INACCURATE (N2714M)
- [SDR SIMA20140326009](https://openairdocs.org/sdr/SIMA20140326009), Mar 26, 2014: INDICATOR, LEAKING (N643AE)
- [SDR FDEA201312122967](https://openairdocs.org/sdr/FDEA201312122967), Dec 12, 2013: METER, FAILED (N578FE)
- [SDR CA130923014](https://openairdocs.org/sdr/CA130923014), Sep 21, 2013: BYPASS VALVE, MALFUNCTIONED
- [SDR CA130905012](https://openairdocs.org/sdr/CA130905012), Sep 2, 2013: TRANSMITTER, INOPERATIVE
- [SDR FDEA201305151001](https://openairdocs.org/sdr/FDEA201305151001), May 15, 2013: INDICATOR, FAILED (N921FD)
- [SDR HALA2013051300059](https://openairdocs.org/sdr/HALA2013051300059), May 13, 2013: TRANSMITTER, MALFUNCTIONED (N385HA)
- [SDR NACA2013040900001](https://openairdocs.org/sdr/NACA2013040900001), Apr 9, 2013: TRANSMITTER, FAULTY (N322DL)
- [SDR AALA20130328013](https://openairdocs.org/sdr/AALA20130328013), Mar 28, 2013: TRANSMITTER, INOPERATIVE (N772AN)

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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.