REMOVED AND REPLACED JAM NUT PACKING. OPS TES (N643GT) - [SDR UIEA2019091205485](https://openairdocs.org/sdr/UIEA2019091205485), Sep 11, 2019: Boeing 76738E. PRESSURE SWITCH. LEAKING. #2 ENGINE FUEL PRESSURE SWITCH IS LEAKING FROM FWD FITTING LOCATED ABOVE FUEL FILTER. REMOVED AND REPLACED #2 ENGINE FUE (N641GT) - [SDR SWAA2019072235145](https://openairdocs.org/sdr/SWAA2019072235145), Jul 20, 2019: Boeing 7377H4. BYPASS SWITCH. FAULTY. AIR TURNBACK, #2 ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED. R&R FUEL FILTER BYPASS SWITCH PER AMM. (N205WN) - [SDR ASAA2019071230056](https://openairdocs.org/sdr/ASAA2019071230056), Jul 12, 2019: Boeing 737890. PRESSURE SWITCH. FAILED. ON TAXI IN #1 ENG FUEL FILTER BYPASS LIGHT ILLUMINATED AND STAYED ON TILL ENG SHUTDOWN. GROUNDED - YES. REFERENCE AMM 73 (N562AS) - [SDR ASAA2019071130055](https://openairdocs.org/sdr/ASAA2019071130055), Jul 11, 2019: Boeing 737890. PRESSURE SWITCH. FAILED. RIGHT FUEL FILTER BYPASS ON CLIMBOUT FROM AIRPORT. LIGHT EXTINGUISHED AFTER SHUT DOWN. GROUNDED - YES. REMOVED AND REPLA (N530AS) - [SDR UIEA2019032203632](https://openairdocs.org/sdr/UIEA2019032203632), Mar 21, 2019: Boeing 76733A. PRESSURE SWITCH. FAILED. NR 1 ENG FUEL FILTER DIFFERENTIAL PRESS SWITCH FAILED TO OPS CK ON TASK CARD A-73-306-01-1(
R/R FUEL FILTER DIFFERENTI (N1997A) - [SDR ASAA2019031128579](https://openairdocs.org/sdr/ASAA2019031128579), Mar 11, 2019: Boeing 737890. PRESSURE SWITCH. FAILED. STARTED NR 2 ENGINE, ABOUT 1 MIN AFTER START GOT A FILTER BYPASS LIGHT. LET IDLE FOR 2-3 MINUTES WHILE DOING CHECKLIST. (N558AS) - [SDR ASAA2019030528506](https://openairdocs.org/sdr/ASAA2019030528506), Mar 5, 2019: Airbus A321253N. PRESSURE SENSOR. FAILED. ENGINE 1 FUEL STRAINER SENSOR FAULT. GROUNDED - YES. ENGINE NR 1 FUEL STRAINER DIFFERENTIAL PRESSURE SENSOR REMOVED AND (N924VA) - [SDR FDEA201902130408](https://openairdocs.org/sdr/FDEA201902130408), Feb 13, 2019: Boeing 7673S2F. PRESSURE SWITCH. FAILED. L ENGINE FUEL FILTER EICAS MESSAGE CAME ON DURING CLIMB. EICAS MESSAGE CAME ON AND OFF SEVERAL TIMES AND REMAINED ON THR (N108FE) - [SDR ASAA2019012527941](https://openairdocs.org/sdr/ASAA2019012527941), Jan 25, 2019: Boeing 737990ER. PRESSURE SWITCH. FAILED. FUEL "FILTER BYPASS" LIGHT ILLUMINATED NR 1 ENGINE ON LANDING ROLLOUT. GROUNDED - YES. COMPLETED FIM 73-05 TASK 801, 73- (N471AS) - [SDR FXTA20190104001](https://openairdocs.org/sdr/FXTA20190104001), Jan 4, 2019: Cessna 208B. PRESSURE SWITCH. FAILED. LOW FUEL PRESSURE CASS MESSAGE. SENSOR ON ENGINE FUEL OIL HEAT EXCHANGER FAILED. (N404BA) - [SDR DXTA2019010401864](https://openairdocs.org/sdr/DXTA2019010401864), Jan 4, 2019: Cessna 680A. BYPASS SWITCH. FAULTY. CLIMBING THROUGH 500 FEET, THE RIGHT FUEL FILTER BYPASS LIGHT CAME ON. **SUPPLEMENTAL INFORMATION: INSTALLED NEW FUEL FI (N567QS) - [SDR ASAA2018121527435](https://openairdocs.org/sdr/ASAA2018121527435), Dec 15, 2018: Boeing 737890. PRESSURE SWITCH. FAILED. AFTER ENGINE START AT FIRST APPLICATION OF TAXI THRUST THE NR 2 ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED FOR APPROX 3 (N559AS) - [SDR FDEA201811233356](https://openairdocs.org/sdr/FDEA201811233356), Nov 23, 2018: Airbus A300F4605R. PRESSURE SWITCH. INOPERATIVE. NUMBER 1 ENGINE FUEL CLOG LIGHT WAS OUT AT 70% N1 PART 23. C/W MEL PROCEDURES R&R ENGINE FUEL FILTER IAW AMM 73-12-02-04 (N667FE) - [SDR ASAA2018112227085](https://openairdocs.org/sdr/ASAA2018112227085), Nov 22, 2018: Boeing 737890. PRESSURE SWITCH. FAILED. NR 1 FUEL FILTER BYPASS LIGHT ILLUMINATED ON TAXI IN. GROUNDED - YES. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRES (N568AS) - [SDR CA181015010](https://openairdocs.org/sdr/CA181015010), Oct 12, 2018: Airbus BD5001A11. PRESSURE SWITCH. FAILED. (CAN) FUEL FAULT ENG INLET PRESS SW INOPERABLE (RETURN TO GATE) INFO MESSAGE DURING ENGINE START: 28 FUEL FAULT ENG INLE - [SDR ASAA2018101026452](https://openairdocs.org/sdr/ASAA2018101026452), Oct 10, 2018: Boeing 737990ER. PRESSURE SWITCH. FAILED. NR 1 FUEL FILTER BYPASS LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED FIM 73-05 TASK 801 ON #1 ENGINE. REMOVED AND REPLAC (N478AS) - [SDR P5CA2018091100281](https://openairdocs.org/sdr/P5CA2018091100281), Sep 7, 2018: Boeing 767306. PRESSURE SWITCH. FAILED. FOUND NR 1 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH FUNCTION TEST FAIL. IAW AMM 73-34-01-024-001 REV 125 AND AMM 73- (N647GT) - [SDR P5CA2018072600158](https://openairdocs.org/sdr/P5CA2018072600158), Jul 25, 2018: Boeing 7673JHF. TRANSMITTER. DEFECTIVE. RT ENG FUEL PRESSURE INDICATOR ALWAYS SHOWS 200. IAW AMM73-33-01-002-001 AND AMM 73-33-01-402-007 REV124 PRL ENG NR 2 FU (N643GT) - [SDR FDEA2018071651715](https://openairdocs.org/sdr/FDEA2018071651715), Jul 15, 2018: Boeing 7673S2F. PRESSURE SWITCH. DEFECTIVE. LT ENG FUEL FILTER ICAS ALERT CAME ON TWICE AT 25,000 FEET LEAVING MEM. REMOVED AND INSPECTED LT ENG FUEL FILTER PER AMM (N131FE) - [SDR ASAA2018071625410](https://openairdocs.org/sdr/ASAA2018071625410), Jul 11, 2018: Boeing 737890. PRESSURE SWITCH. DEFECTIVE. NR 2 ENGINE HAS PREVIOUS REPORTS OF FUEL FILTER BYPASS LIGHT ILLUMINATION ALONG WITH FUEL FILTER SIGNAL DISAGREE FAULTS. (N587AS) - [SDR FDEA201712133380](https://openairdocs.org/sdr/FDEA201712133380), Dec 13, 2017: Airbus A300B4605R. SWITCH. FAILED. ON CLIMB OUT FROM KFAR GOT FUEL CLOG LIGHT NR 2 ENG PASSING 10,000 FT. COMPLIED WITH ECAM AND REDUCED POWER. FUEL CLOG L (N659FE) - [SDR UIEA2017080701433](https://openairdocs.org/sdr/UIEA2017080701433), Aug 7, 2017: Boeing 767375. O-RING. LEAKING. AFTER FUEL FILTER CHANGE FOUND FUEL PRESSURE SWITCH TO HAVE LEAK AT O-RING. REMOVED AND REPLACED O-RING ON FUEL PRESSURE (N1709A) - [SDR AALA201707139029](https://openairdocs.org/sdr/AALA201707139029), Jul 11, 2017: Doug DC982. PRESSURE SWITCH. FAULTY. AIRCRAFT WAS NOT GROUNDED. LEFT ENGINE INLET FUEL PRESSURE LOW LIGHT FLICKERS CONTINUOUSLY IN FLIGHT WITH FULL MAIN FUEL (N555AN) - [SDR AALA201705169072](https://openairdocs.org/sdr/AALA201705169072), May 15, 2017: Boeing 737823. PRESSURE SWITCH. UNRELIABLE. AIRCRAFT WAS NOT GROUNDED. RIGHT ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED DURING INITIAL CLIMB AND SUBSEQUENT CLIMBS. (N914AN) - [SDR CALA2017050501237](https://openairdocs.org/sdr/CALA2017050501237), May 2, 2017: Boeing 767322. PRESSURE SWITCH. FAULTY. AT TOP OF CRUISE GOT A L ENG FUEL FILTER EICAS. EMERGENCY DECLARED. T/S PER FIM 73-34 FAULT TREE 803. CHANGED NR 1 ENG F (N644UA) - [SDR AALA201705039013](https://openairdocs.org/sdr/AALA201705039013), Apr 30, 2017: Airbus A330243. PRESSURE SWITCH. UNSERVICEABLE. AIRCRAFT WAS GROUNDED. FLIGHT RETURNED TO PHL ACCOUNT DUEL FUEL FILTER CLOG INDICATION. CREW DECLARED EMERGENCY AND LAND (N285AY) - [SDR AALA201705039011](https://openairdocs.org/sdr/AALA201705039011), Apr 30, 2017: Airbus A330243. PRESSURE SWITCH. UNSERVICEABLE. AIRCRAFT WAS GROUNDED. FLIGHT RETURNED TO PHL ACCOUNT DUEL FUEL FILTER CLOG INDICATION. CREW DECLARED EMERGENCY AND LAND (N285AY) - [SDR CALA2017031300587](https://openairdocs.org/sdr/CALA2017031300587), Mar 13, 2017: Boeing 737924ER. PRESSURE SWITCH. FAULTY. RIGHT FUEL FILTER BYPASS LIGHT IN FLIGHT. EMERGENCY DECLARED. PERFORMED FUEL FILTER REPLACED, CHECKED FOR LEAKS, NO LEAK (N38424) - [SDR AALA201611099003](https://openairdocs.org/sdr/AALA201611099003), Nov 8, 2016: Airbus A321211. PRESSURE SWITCH. FAULTY. AIRCRAFT WAS NOT GROUNDED. ENGINE NR 2 FUEL FILTER CLOG CAUTION ON ECAM E/WD. REPLACED FUEL FILTER DIFFERENTIAL PRESS SW (N182UW) - [SDR UIEA2016062800532](https://openairdocs.org/sdr/UIEA2016062800532), Jun 27, 2016: Boeing 76733AER. TRANSMITTER. FAULTY. NR 2 ENGINE FUEL PRESSURE SHOWS 200 PSI WHEN ENGINE NOT RUNNING. FUEL PRESSURE TRANSMITTER REPLACED IAW AMM 73-33-01. (N648GT) - [SDR ASAA2016062317158](https://openairdocs.org/sdr/ASAA2016062317158), Jun 23, 2016: Boeing 737990ER. PRESSURE SWITCH. FAILED. NR 2 FUEL FILTER BYPASS LIGHT ILLUMINATED. ACFT GROUNDED. R & R NR 2 ENGINE DIFFERENTIAL PRESSURE SWITCH, LEAK AND OPS C (N468AS) All 198: https://openairdocs.org/jasc/7334/reports.md ## Other codes in chapter 73 - [JASC 7300](https://openairdocs.org/jasc/7300): Engine Fuel and Control (465 reports) - [JASC 7310](https://openairdocs.org/jasc/7310): Engine Fuel Distribution (1,981 reports) - [JASC 7311](https://openairdocs.org/jasc/7311): Engine Fuel/Oil Cooler (226 reports) - [JASC 7312](https://openairdocs.org/jasc/7312): Fuel Heater (254 reports) - [JASC 7313](https://openairdocs.org/jasc/7313): Fuel Injector Nozzle (529 reports) - [JASC 7314](https://openairdocs.org/jasc/7314): Engine Fuel Pump (1,734 reports) - [JASC 7320](https://openairdocs.org/jasc/7320): Fuel Controlling System (4,390 reports) - [JASC 7321](https://openairdocs.org/jasc/7321): Fuel Control/Turbine Engines (2,878 reports) - [JASC 7322](https://openairdocs.org/jasc/7322): Fuel Control/Reciprocating Engines (1,272 reports) - [JASC 7323](https://openairdocs.org/jasc/7323): Turbine Governor (544 reports) - [JASC 7324](https://openairdocs.org/jasc/7324): Fuel Divider (74 reports) - [JASC 7330](https://openairdocs.org/jasc/7330): Engine Fuel Indicating System (407 reports) - [JASC 7331](https://openairdocs.org/jasc/7331): Fuel Flow Indicating (197 reports) - [JASC 7332](https://openairdocs.org/jasc/7332): Fuel Pressure Indicating (158 reports) - [JASC 7333](https://openairdocs.org/jasc/7333): Fuel Flow Sensor (80 reports) - [JASC 7397](https://openairdocs.org/jasc/7397): Engine Fuel System Wiring (532 reports) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.