# JASC 2821: Aircraft Fuel Filter/Strainer

- Type: JASC system/component code (FAA)
- ATA chapter: 28 Fuel
- Title in the code table: ACFT FUEL FILTER/STRAINER
- Service difficulty reports: 366
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=27
- Page: https://openairdocs.org/jasc/2821

## What it covers

The component that filters unmetered fuel upstream of the engine fuel control/carburetor. Does not include the engine fuel metered control system filters (filed in JASC code 7300). Typical parts are screen, housing, bowl, gasket, plunger, stand pipe, etc.

## Service difficulty reports (366, newest 50)

- [SDR 2026FA0000092](https://openairdocs.org/sdr/2026FA0000092), Feb 5, 2026: Amd FALCON7X. FUEL FILTER. MISINSTALLED. DURING INSPECTION/CLEANING OF THE FUEL FILTERS, THE FILTER OF THE BOOSTER PUMP 2 WAS DISCOVERED IN THE HYDRAULIC BAY, BE (N990HA)
- [SDR AALA202601051556](https://openairdocs.org/sdr/AALA202601051556), Dec 31, 2025: Boeing 737823. FUEL FILTER. CLOGGED. AIRCRAFT WAS GROUNDED: LEFT FUEL FILTER BYPASS ILLUMINATED. REMOVED AND REPLACED ENGINE NUMBER 1 FUEL FILTER DIFFERENTIA (N907AN)
- [SDR QXEA2024120200282](https://openairdocs.org/sdr/QXEA2024120200282), Nov 27, 2024: Emb ERJ170200LR. WARNING MESSAGE. FALSE ACTIVATION. REJECTED TAKE OFF DUE TO ADVISORY MESSAGE "FUEL FEED 2 FAULT" DISPLAYEDF ON EICAS. MAX SPEED WAS 36 KT, NO EXCESSIVE BRA (N633QX)
- [SDR YENA2024042900667](https://openairdocs.org/sdr/YENA2024042900667), Apr 28, 2024: Airbus A321271N. FILTER. CLOGGED. FLT#1620, BOS-LHR. 'AFTER TAKE OFF AMBER CLOG UNDER FUEL USED FOR #2 ENGTMG IT WENT AWAY CLIMBING OUT OF FL230; PFR MSG  (N4022J)
- [SDR HALA20240426114](https://openairdocs.org/sdr/HALA20240426114), Apr 25, 2024: Airbus A330243. FILTER. CLOGGED. ETOPS - ENG 1 FUEL FILTER CLOG OCCURRED ABOUT 2 HOURS INTO THE FLT. ALERTED MAINTENANCE, FUEL BURN + QUANTITY LOOK NORMA (N385HA)
- [SDR VNAA2024041111101](https://openairdocs.org/sdr/VNAA2024041111101), Apr 8, 2024: Cndair CL6002D24. INDICATOR. UNSERVICEABLE. XFLOW PUMP CAUTION MSG IN FLIGHT / DEFERRED XFLOW PUMP PER MEL 28-13-10 CAT C, M/FC FUNCTION C/W BY PULLING AND COLLARIN (N587NN)
- [SDR M17F2023/123](https://openairdocs.org/sdr/M17F2023%2F123), Aug 11, 2023: Boeing 737852. CONTROL VALVE. FAILED. CENTRAL TANK VALVE OF THE MAIN TANK #1 ON FUEL REFILL PANEL STAYS OPEN (N958AM)
- [SDR 2023FA0000092](https://openairdocs.org/sdr/2023FA0000092), Feb 17, 2023: Piper PA28161. FUEL BOWL. COCKED. DISCREPANCY: GASCOLATOR FUEL BOWL FOUND TO BE COCKED OUTBOARD AND RETAINING/TENSION NUT ASSY COCKED INBOARD UPON INITIAL (N9250C)
- [SDR AALA202212282344](https://openairdocs.org/sdr/AALA202212282344), Dec 27, 2022: Airbus A321211. FILTER. CLOGGED. AIRCRAFT WAS NOT GROUNDED: NR 1 ENGINE FUEL FILTER CLOG WARNING. MAINTENANCE REPLACED THE NR 1 ENGINE FUEL FILTER AND AC (N197UW)
- [SDR CALA2022121903440](https://openairdocs.org/sdr/CALA2022121903440), Dec 19, 2022: Airbus A320232. PUMP. LOW PRESSURE. CTR TK PUMP 1 LO PR DISPLAYED ON UPPER ECAM SCREEN. - FUEL SHORTLY AFTER DEPARTURE CENTER TANK FUEL PUMP 1 WAS REPLACED. (N495UA)
- [SDR CALA2022090902315](https://openairdocs.org/sdr/CALA2022090902315), Sep 9, 2022: Airbus A320232. NONE. NONE. REMOVE AND REPLACE AIR RELEASE VALVE FLOAT RH WING (FIN 87QM) THIS NR FOR TRACKING PURPOSE ONLY. SEE AEROMAN NON ROUTINE (N432UA)
- [SDR 2022FA0000420](https://openairdocs.org/sdr/2022FA0000420), Aug 1, 2022: Snias AS350B3. STRAINER. BROKEN. AIRCRAFT FUEL FILLER STRAINER BROKE OFF AT SPOT-WELDS AROUND STRAINER RETAINING COLLAR CAUSING STRAINER BODY TO FALL INT (N203Z)
- [SDR CALA2022062701580](https://openairdocs.org/sdr/CALA2022062701580), Jun 25, 2022: Boeing 767322. PUMP. INOPERATIVE. AFTER RT ENGINE START RT AFT FUEL PUMP EICAS MESSAGE AND SWITCH LT INDICATIONS PRV RTUP REQUIRED MEL APPROVAL REF 2822N  (N647UA)
- [SDR FDEA202206241543](https://openairdocs.org/sdr/FDEA202206241543), Jun 24, 2022: Boeing 757200. RELAY. FAULTED. 2HRS INTO FLIGHT AT FL410, FWD AND AFT LEFT FUEL PUMPS BEGAN FLICKERING LOW PRESSURE VIA PRESS LIGHTS. OPENED THE CROSS  (N987FD)
- [SDR HALA2022060100107](https://openairdocs.org/sdr/HALA2022060100107), May 31, 2022: Airbus A330243. NONE. NONE. ETOPS - LEFT OUTER TANK WONT TAKE FUEL // PERFORMED SYSTEM REPORT TEST AND FOUND FUEL OUTER TANK INLET VALVE FAIL IN CLO (N399HA)
- [SDR UIEA2022050600441](https://openairdocs.org/sdr/UIEA2022050600441), May 6, 2022: Boeing 76738E. SENSOR. INOPERATIVE. WHEN FUELING - AT THE REFILL PANEL, THE RESET BUTTON MUST BE HELD. - ITEM SHORT SIGNED BY FLIGHT MX - T/S PER AMM 28-55- (N641GT)
- [SDR HALA2022041200089](https://openairdocs.org/sdr/HALA2022041200089), Apr 11, 2022: Airbus A330243. NONE. NONE. ETOPS - LINE SERVICE REPORTS DIFFICULTY FUELING // REMOVED AND REPLACED CENTER TANK REFUEL RESTRICTOR VALVE ACTUATOR PER (N378HA)
- [SDR HALA2022040700086](https://openairdocs.org/sdr/HALA2022040700086), Apr 6, 2022: Airbus A330243. NONE. NONE. ETOPS - RT OUTER FUEL TANK WILL NOT TAKE FUEL // REMOVED AND REPLACED RT OUTER TANK FUELING VALVE PER AMM 28-25-57. OPS  (N370HA)
- [SDR HALA2022033100084](https://openairdocs.org/sdr/HALA2022033100084), Mar 30, 2022: Airbus A330243. VALVE. INOPERATIVE. ETOPS - FUEL OUTR TK INLET VLV1 (500QU1) FAULT // REMOVED AND REPLACE INLET VALVE 1 ACT. PER AMM 28-25-57-400-801-A. OPS (N379HA)
- [SDR HALA2022032300081](https://openairdocs.org/sdr/HALA2022032300081), Mar 22, 2022: Airbus A321271N. NONE. NONE. ETOPS - R TK PUMP 2 LO PR // REMOVED AND REPLACED PRESSURE SWITCH FIN #28QA WITH NO HELP AMM 28-21-00 PB400CONF00. NT 32 (N214HA)
- [SDR HALA2022022800059](https://openairdocs.org/sdr/HALA2022022800059), Feb 25, 2022: Airbus A330243. NONE. NONE. ETOPS - FUELER REPORTS DIFFICULTY FUELING // FOUND OUTER TANK INLET VALVE 1 (500QU1) FAULTING. REMOVED AND REPLACED PER  (N391HA)
- [SDR HALA2022010400005](https://openairdocs.org/sdr/HALA2022010400005), Jan 3, 2022: Airbus A330243. VALVE. INOPERATIVE. ETOPS - FUELER REPORTED END LIGHT FLASHING UNABLE TO REFUEL // GROUND SCAN SHOWS LH INLET INTR TANK ACTUATOR (603QL1) RE (N384HA)
- [SDR HALA2021121600189](https://openairdocs.org/sdr/HALA2021121600189), Dec 15, 2021: Airbus A330243. VALVE. INOPERATIVE. ETOPS - LINE SERVICE REPORTED UNABLE TO PUMP FUEL // FCMC FAULTING L OUTER TANK INLET VALVE FAILED OPEN. (500QU1). REMOV (N361HA)
- [SDR AALA202111235867](https://openairdocs.org/sdr/AALA202111235867), Nov 22, 2021: Airbus A300*. FUEL FILTER. CLOGGED. AIRCRAFT WAS NOT GROUNDED: EGG 1 FUEL FILTER CLOGGED ON ELECTRONIC CENTRALIZED AIRCRAFT MONITOR INTERMITTENT PRESSED EME (N190UW)
- [SDR 2021F00338](https://openairdocs.org/sdr/2021F00338), Nov 15, 2021: Boeing 737800*. NONE. LEAKING. THE MANIFOLD RECHARGE WAS HIT BY A FUEL DISPENSER. DURING FUELING, THE MANIFOLD RECHARGE WAS HIT BY A FUEL DISPENSER. MA
- [SDR UIEA2021111502420](https://openairdocs.org/sdr/UIEA2021111502420), Nov 12, 2021: Boeing 767383. NONE. NONE. RIGHT CENTER BOOST PUMP INOP / ( CENTER TANK FUEL PUMPS, ONE INOPERATIVE, CENTER TANK FUEL USED (NOTIFY DISPATCH) )(<P>T (N1511A)
- [SDR UIEA2021101802246](https://openairdocs.org/sdr/UIEA2021101802246), Oct 16, 2021: Boeing 76738E. NONE. NONE. L FWD FUEL PRESS(<P>PERFORMED OPS TEST OF L FWD FUEL PUMP. ALL CHECK OK IAW AMM 28-21-00. OK FOR SERVICE.</P>) (N641GT)
- [SDR MTNA20210927001](https://openairdocs.org/sdr/MTNA20210927001), Sep 27, 2021: Cessna 208B. BOWL. LEAKING. REPORT OF STRONG ODOR OF FUEL ON APPROACH. CHECKED AND FOUND FCU FILTER BOWL LEAKING. REMOVED AND REPLACED FCU FILTER BO (N855FE)
- [SDR AALA202104199044](https://openairdocs.org/sdr/AALA202104199044), Apr 13, 2021: Boeing 737823. FUEL FILTER. CLOGGED. AIRCRAFT WAS GROUNDED: FUEL FILTER BYPASS LIGHT ILLUMINATED IN FLIGHT FOR APPROXIMATELY FOUR MINUTES, THEN EXTINGUISHED; (N868NN)
- [SDR 2021FA0000086](https://openairdocs.org/sdr/2021FA0000086), Mar 18, 2021: Cessna P337H. FUEL STRAINER. CORRODED. FRONT FUEL STRAINER ASSEMBLY, SEVERELY CORRODED TOP ASSEMBLY P/N 0756005-2, STANDPIPE SEVERELY CORRODED. BOWL-FUEL STRAI (N67S)
- [SDR 2020FA0000487](https://openairdocs.org/sdr/2020FA0000487), Oct 12, 2020: Piper PA31T. FUEL CONTROL. FLUCTUATES. ENGINE SURGE CAUSING CONTROL ISSUES IN FLIGHT. (N336P)
- [SDR ASAA2019122621696](https://openairdocs.org/sdr/ASAA2019122621696), Dec 22, 2019: Boeing 737890. PRESSURE SWITCH. FAULTED. ON TAXI IN FUEL FILTER BYPASS LIGHT ILLUMINATED ON ENGINE NR 1. WENT OUT ON ENGINE SHUT DOWN. GROUNDED - YES. REMOVED AN (N589AS)
- [SDR AALA201912239022](https://openairdocs.org/sdr/AALA201912239022), Dec 22, 2019: Boeing 737823. FILTER. UNKNOWN. AIRCRAFT WAS GROUNDED: RIGHT ENGINE FUEL FILTER BYPASS LIGHT ON THEN LIGHT EXTINGUISHED WITH POWER REDUCTION DURING DECE (N942AN)
- [SDR AALA201912239006](https://openairdocs.org/sdr/AALA201912239006), Dec 22, 2019: Boeing 737823. PRESSURE SWITCH. FALSE INDICATION. AIRCRAFT WAS GROUNDED. RIGHT ENGINE FUEL FILTER BYPASS LIGHT ON, THEN LIGHT EXTINGUISHED WITH POWER REDUCTION DURING DEC (N942AN)
- [SDR HALA201910310462](https://openairdocs.org/sdr/HALA201910310462), Oct 30, 2019: Airbus A321271N. PUMP. INOPERATIVE. ETOPS - FUEL R TK PUMP 1 LO PR // R&R RIGHT TK PUMP 1 PER AMM 28-21-51, PERFORMED OPS/LEAK CHECK WITH SATISFACTORY RESUL (N214HA)
- [SDR DXTA2019102852981](https://openairdocs.org/sdr/DXTA2019102852981), Oct 25, 2019: Cessna 680A. FUEL FILTER. DEFECTIVE. AT FLIGHT LEVEL 410 THE CAS MESSAGE "FUEL FLTR BYPASS L" CAME ON. AFTER RUNNING THE QRH WE DIVERTED TO CYS. CAS MESSAGE  (N684QS)
- [SDR 2019FA0000239](https://openairdocs.org/sdr/2019FA0000239), Aug 1, 2019: Bell 412EP. BELLCRANK. LOOSE. THE HELICOPTER EXPERIENCED A TORQUE AND RPM FLUCTUATION SHORTLY AFTER TAKE-OFF. A FAULTY AUTOMATIC FUEL CONTROL UNIT WAS (N223JC)
- [SDR FDEA201810132875](https://openairdocs.org/sdr/FDEA201810132875), Oct 13, 2018: Boeing 757236. PRESSURE SWITCH. FAULTY. AT LEVEL OFF CTR L FUEL PUMP PRESS LIGHT ILLUMINATED. RAN QRH NO HELP DUE TO R CTR FUEL PUMP MEL'D. FUEL TRAPPED WAS 650 (N977FD)
- [SDR UIEA2018103102459](https://openairdocs.org/sdr/UIEA2018103102459), Sep 29, 2018: Boeing 767306. SENSOR. MALFUNCTIONED. WHILE PERFORMING AN OPS CHECK OF THE OVERFILL RESET SWITCH, FOUND THE SWITCH HAD TO BE HELD IN ORDER TO OPEN THE FUEL FI (N1409A)
- [SDR AALA201709089002](https://openairdocs.org/sdr/AALA201709089002), Sep 7, 2017: Airbus A319112. CONTROL VALVE. FAULTY. ECAM FOR FUEL CONTROL TANK PUMP 1 LOW PRESSURE DISPLAYED AFTER TAKE OFF. REPLACED FUEL CONTROL VALVE IAW AMM. (N703UW)
- [SDR SOKF20170818008](https://openairdocs.org/sdr/SOKF20170818008), Aug 16, 2017: Airbus A320233. FILTER. CONTAMINATED. DURING MAJOR CHECK, PERFORMED TASK CARD 731000-11-1, FOUND FUEL FILTER CONTAMINATED. FUEL FILTER ELEMENT WERE EVALUATED  (N493TA)
- [SDR 2017FA0000414](https://openairdocs.org/sdr/2017FA0000414), Aug 10, 2017: Piper PA18. FUEL BOWL. DAMAGED. THE FUEL STRAINER COVER DEVELOPS A BOW AFTER A YEAR OF CONTINUOUS PRESSURE BEING PUT ON IT FROM THE WIRE ASSEMBLY CAUSIN (N9033J)
- [SDR AALA201707109019](https://openairdocs.org/sdr/AALA201707109019), Jul 8, 2017: Airbus A320214. FILTER. CLOGGED. TWO MINUTES AFTER TAKEOFF, THE NR 2ENGINE FUEL FILTER CLOG ECAM ILLUMINATED FOR APPROXIMATELY 10 SECONDS , THEN WENT OUT (N109UW)
- [SDR AALA201701139002](https://openairdocs.org/sdr/AALA201701139002), Jan 9, 2017: Airbus A320232. CONTROLLER. FAILED. RIGHT WING FUEL TRANSFER VALVE NR 1 CIRCUIT BREAKER TRIPPED ON OVERHEAD PANEL WITH ASSOCIATED RIGHT OUTER WING TRANSFER  (N647AW)
- [SDR UIEA2016113000939](https://openairdocs.org/sdr/UIEA2016113000939), Nov 28, 2016: Boeing 76736N. VALVE. ABNORMAL. LEFT WING T/E THE 3 FUELING SHUTOFF VALVES FOUND WITH HIGH BONDING RESISTANCE. CLEANED MATING SURFACE IAW AMM 28-21-02. (N632GT)
- [SDR QMLA2016071516077](https://openairdocs.org/sdr/QMLA2016071516077), Jul 15, 2016: Snias AS350B2. FUEL FILTER. CONTAMINATED. DURING TAKEOFF THE PILOT NOTICED THE FUEL FILTER LIGHT ILLUMINATED AND TOOK PRECAUTIONARY MEASURES AND LANDED THE HELICO (N900NM)
- [SDR HYIA20160304002](https://openairdocs.org/sdr/HYIA20160304002), Feb 28, 2016: Cessna 402C. O-RING. DAMAGED. PILOT REPORTED FUEL SMELL IN COCKPIT. ACCESSED CABIN FUEL LINES & VISUALLY INSPECTED LINES. NO DEFECTS NOTED. LOCATED EV (N747WS)
- [SDR G41A20160203001](https://openairdocs.org/sdr/G41A20160203001), Jan 31, 2016: Lear 55LEAR. FILTER. COLLAPSED. AFTER DEPART, CLIMBING THROUGH 34000', THE CAPTAIN NOTICED THE MASTER WARNING FLASHING, LT FUEL PRESS LIGHT FLASHED MOME (N61SJ)
- [SDR 9EKA2015052721](https://openairdocs.org/sdr/9EKA2015052721), May 27, 2015: Snias SA330J. FUEL FILTER. CLOGGED. DURING THE FIRST TAKEOFF FROM THE SHIP AS SOON AS THE ACFT CAME OFF THE DECK, THE RT LOW PRESS FILTER CLOGGED LIGHT ILLU (N300EV)
- [SDR QMLA2014092214113](https://openairdocs.org/sdr/QMLA2014092214113), Sep 22, 2014: Bell 407. FUEL FILTER. LEAKING. PREFLIGHT AIRWORTHINESS CHECKS REVEALED FUEL LEAKING FROM THE AIRFRAME FUEL FILTER BYPASS BUTTON, RED BUTTON USED TO CHE (N224AM)

All 366: https://openairdocs.org/jasc/2821/reports.md

## Other codes in chapter 28

- [JASC 2800](https://openairdocs.org/jasc/2800): Aircraft Fuel System (740 reports)
- [JASC 2810](https://openairdocs.org/jasc/2810): Fuel Storage (3,516 reports)
- [JASC 2820](https://openairdocs.org/jasc/2820): Aircraft Fuel Distribution System (3,627 reports)
- [JASC 2822](https://openairdocs.org/jasc/2822): Fuel Boost Pump (2,745 reports)
- [JASC 2823](https://openairdocs.org/jasc/2823): Fuel Selector/Shut-Off Valve (423 reports)
- [JASC 2824](https://openairdocs.org/jasc/2824): Fuel Transfer Valve (572 reports)
- [JASC 2830](https://openairdocs.org/jasc/2830): Fuel Dump System (125 reports)
- [JASC 2840](https://openairdocs.org/jasc/2840): Fuel Indicating System (1,863 reports)
- [JASC 2841](https://openairdocs.org/jasc/2841): Fuel Quantity Indicator (1,152 reports)
- [JASC 2842](https://openairdocs.org/jasc/2842): Fuel Quantity Sensor (544 reports)
- [JASC 2843](https://openairdocs.org/jasc/2843): Fuel Temperature Indicator (24 reports)
- [JASC 2844](https://openairdocs.org/jasc/2844): Fuel Pressure Indicator (272 reports)
- [JASC 2897](https://openairdocs.org/jasc/2897): Fuel System Wiring (656 reports)

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