JASC 2840: Fuel Indicating System

What it covers

For general reports pertaining to the aircraft fuel indicating systems, but with no specific reference to the transmitter (tank unit) or indicator. Does not include engine fuel pressure reports, which are filed in JASC code 7332, or flow indication system in JASC code 7331. Typical parts are circuit breaker, connector, pressure switch, indicator lights, dripstick, etc.

Service difficulty reports · 1,862

Reports filed under 2840, newest first.

19952026

Service difficulty reports filed under 2840 per year, 1995–2026: 1,862 reports
1995	27
1996	36
1997	34
1998	66
1999	46
2000	30
2001	33
2002	59
2003	40
2004	22
2005	32
2006	32
2007	45
2008	37
2009	27
2010	45
2011	63
2012	69
2013	80
2014	36
2015	61
2016	119
2017	78
2018	93
2019	97
2020	48
2021	78
2022	122
2023	87
2024	88
2025	90
2026	42

SDR ANCF20260929019Sensor · abnormalFUEL F. USED / FOB DISAGREE, THE CADENSICON 19QT HAS BEEN REMOVED AND REPLACED IAW AMM 28-42-16-000/400-001-A REV 78 REV-. TORQUE APPLIED TO THE BOLT 2 42 LBF IN AND BONDING CONTACT RESISTANCE BETWEEN THE CADENSICON (1) AND THE SUPPORT BRACKET (4) 09 MILLIOSep 29, 2026 · N632AV · Airbus A320214 SDR SWAA2026092514349Fuel Sys · faultedDURING CRUISE, NR 2 FUEL GAUGE PROGRESSED TO 400 LBS MORE THAN NR 1 TANK WITH CONSISTENTLY SLIGHTLY HIGHER FUEL FLOW. CROSSFED TO 200 LBS HIGHER IN NR 2 TANK, THEN NR 2 TANK EQUALIZED TO NR 1 TANK READINGS. SUSPECT INDICATING ERROR ON NR 2 TANK GAUGE. PERFOSep 21, 2026 · N473WN · Boeing 7377H4 SDR UIEA2026091200875Probe · faultedDURING CRUISE FLIGHT WITH CENTER TANK PUMPS OPERATIONS, RIGHT MAIN TANK AND LEFT TANK FUEL IMBALANCE INCREASED TO 8000 LBS. PERFORMED FUEL QTY CHECK PER AMM 28-41-00, TESTED AND REPLACED FOUR TANK PROBES AND COMPENSATORS PER AMM 28-41-01 AND AMM 28-41-02. NO FSep 10, 2026 · N641GT · Boeing 76738E

See all 1,862 reports

Other codes in chapter 28 · 13

2800Aircraft Fuel System740 reports 2810Fuel Storage3,514 reports 2820Aircraft Fuel Distribution System3,627 reports 2821Aircraft Fuel Filter/Strainer366 reports 2822Fuel Boost Pump2,745 reports 2823Fuel Selector/Shut-Off Valve423 reports 2824Fuel Transfer Valve572 reports 2830Fuel Dump System125 reports 2841Fuel Quantity Indicator1,152 reports 2842Fuel Quantity Sensor544 reports 2843Fuel Temperature Indicator24 reports 2844Fuel Pressure Indicator272 reports 2897Fuel System Wiring656 reports