# JASC 3720: Vacuum Indicating System

- Type: JASC system/component code (FAA)
- ATA chapter: 37 Vacuum
- Title in the code table: VACUUM INDICATING SYSTEM
- Service difficulty reports: 6
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=42
- Page: https://openairdocs.org/jasc/3720

## What it covers

The system components and parts including which indicates negative air pressure in the vacuum lines. Includes the indicator and warning systems. Typical parts are the vacuum indicator and associated lines.

## Latest service difficulty reports

- [SDR IKBR2021042800026](https://openairdocs.org/sdr/IKBR2021042800026), Apr 27, 2021: TRANSDUCER, ABNORMAL (N280SU)
- [SDR CA040625008](https://openairdocs.org/sdr/CA040625008), Jun 24, 2004: DRIVE SHAFT, SHEARED
- [SDR BAQA086456](https://openairdocs.org/sdr/BAQA086456), May 17, 2003: ACTUATOR, INOPERATIVE (N533ME)
- [SDR 20010206CW003](https://openairdocs.org/sdr/20010206CW003), Jan 8, 2001: INDICATOR, READS LOW (N4776T)
- [SDR 20010205CW002](https://openairdocs.org/sdr/20010205CW002), Dec 21, 2000: VALVE, FAILED (N3055T)
- [SDR 95ZZZX6927](https://openairdocs.org/sdr/95ZZZX6927), Nov 4, 1995: GAUGE, CONTAMINATED (N4706A)

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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.