MAINTENANCE REQUIREMENTS MANUALAIRWORTHINESS LIMITATION ITEMS**Jan 11/2011 ALI−111** **Page 1 of 4**TEMPORARY REVISION ALI−111Ref #: 84ALI_111_R 4−1 FSLDate..............................Signed.....................................The contents of this Temporary Revision have been approved by the Chief, Engineering, National Aircraft Certification Branch, Transport Canada31 Dec 2010**FILING INSTRUCTIONS:**This Temporary Revision revises PSM 1−84−7 Maintenance Requirements Manual, Airworthiness Limitation ItemsPart 2, Section 4−1, Fuel System Limitations. Put this Temporary Revision in front of 4−1, page 1.This Temporary Revision replaces Temporary Revision ALI−103. RemoveTemporary Revision ALI−103and enter thedate removed on the RECORD OF TEMPORARY REVISIONS sheet at the front of Part 2, of this manual.Recordthis Temporary Revision number and the date inserted, on the RECORD OF TEMPORARY REVISIONS pageat the front of Part 2, of this manual.Keep this Temporary Revision until the normal revision service puts this information into the MaintenanceRequirements Manual or the TR is cancelled.**REASON FOR ISSUE:**This Temporary Revision updates the Effectivity information for Task 284000−406 (in Task Description, adds text “orPostModsum 4−110139” to the NOTE*) and adds new Task 284000−418. The changes are shown with revision bars.Replaced TR ALI−103 was issued previously to update the Effectivity information for Task 284000−410 (in TaskDescription, deleted text “or Post Modsum 4−113523” from the NOTE*).**ACTION:**Ignore the existing Section 4−1 and substitute this Section 4−1 as shown on pages 2 to 4 of this TR:TEMPORARYREVISIONTEMPORARYREVISION	
MAINTENANCE REQUIREMENTS MANUALAIRWORTHINESS LIMITATION ITEMS**Jan 11/2011 ALI−111** **Page 2 of 4**FUEL SYSTEM LIMITATIONSTaskNumberApplicabilityTask Code/Task Title/Task DescriptionLimitingInterval284000−401ALLDETFUEL QUANTITY GAUGINGDetailed Inspection of the Metal Overall Shield on the Fuel Quantity Gauging System18,000 FH or108 Months284000−402ALL,NOTE*DETFUEL QUANTITY GAUGINGDetailed Inspection of the Fuel Probe Harness Inside the Fuel TankNOTE* Post Modsum 4−126370 or Post Modsum 4−12633618,000 FH or108 Months284000−403ALL,NOTE*DETFUEL QUANTITY GAUGINGDetailed Inspection of the Low Level Float Switch Harness Inside the Fuel TankNOTE* Post Modsum 4−126370 or Post Modsum 4−12633618,000 FH or108 Months284000−404ALL,NOTE*DETFUEL QUANTITY GAUGINGDetailed Inspection of the High Level Sensor Harness Inside the Fuel TankNOTE* Post Modsum 4−126370 or Post Modsum 4−12633618,000 FH or108 Months284000−405ALL,NOTE*DETFUEL STORAGEDetailed Inspection of the Self Bonding Couplings Inside the Fuel TankNOTE* For non−APU lines, couplings and fittings: Post Modsum 4−126330 or PostModsum 4−126336For APU lines, couplings and fittings (Modsum 4−302000): Post Modsum 4−901425 orPost Modsum 4−90142318,000 FH or108 Months284000−406ALL,NOTE*DETFUEL STORAGEDetailed Inspection of the Teflon Sleeve on the Fuel Tank Vent LineNOTE* Post Modsum 4−113299 or Post Modsum 4−121195 or Post Modsum 4−11013918,000 FH or108 Months284000−407ALLDETFUEL STORAGEDetailed Inspection of the Sealant Around the Anchor Nuts at Access Panels, Sta. YW 42.000 toYW 191.20018,000 FH or108 MonthsTEMPORARYREVISIONTEMPORARYREVISION	
MAINTENANCE REQUIREMENTS MANUALAIRWORTHINESS LIMITATION ITEMS**Jan 11/2011 ALI−111** **Page 3 of 4**FUEL SYSTEM LIMITATIONSTaskNumberLimitingIntervalTask Code/Task Title/Task DescriptionApplicability284000−408ALLDETFUEL STORAGEDetailed Inspection of the Access Panel to Wing Skin Mating Surfaces and Access Panel Gasket,Sta. YW 191.200 to YW 425.01918,000 FH or108 Months284000−409ALLDETFUEL STORAGEDetailed Inspection of the Dome Nut on the Fuel Tank Water Drain Valve18,000 FH or108 Months284000−410ALL,NOTE*DETFUEL STORAGEDetailed Inspection of the Sealant on the Vent Line Support Bracket and Attachment Hardware, Sta.YW 42.000NOTE* Post Modsum 4−126330 or Post Modsum 4−12224218,000 FH or108 Months284000−411ALLFNCFUEL QUANTITY GAUGINGFunctional Check of the Fuel Quantity Metal Overall Shield for Electrical Bonding18,000 FH or108 Months284000−412ALLFNCFUEL STORAGEFunctional Check of the Fuel Tank Water Drain Valve for Electrical Bonding18,000 FH or108 Months284000−413ALLFNCFUEL STORAGEFunctional Check of the Magnetic Dipstick for Electrical Bonding18,000 FH or108 Months284000−414ALLOPCFUEL STORAGEOperational Check of the Low Level Float Switch18,000 FH or108 Months284000−415ALLFNCFUEL STORAGEFunctional Check of the Auxiliary Boost Pump for Electrical Bonding18,000 FH or108 MonthsTEMPORARYREVISIONTEMPORARYREVISION	
MAINTENANCE REQUIREMENTS MANUALAIRWORTHINESS LIMITATION ITEMS**Jan 11/2011 ALI−111** **Page 4 of 4**FUEL SYSTEM LIMITATIONSTaskNumberLimitingIntervalTask Code/Task Title/Task DescriptionApplicability284000−416ALLFNCFUEL STORAGEFunctional Check of the High Level Sensor for Electrical Bonding18,000 FH or108 Months284000−417ALL,NOTE*FNCFUEL STORAGEFunctional Check of the Fuel Tank Components and Plumbing Lines for Electrical BondingNOTE* For non−APU lines, couplings and fittings: Post Modsum 4−126330 or PostModsum 4−126336For APU lines, couplings and fittings (Modsum 4−302000): Post Modsum 4−901425 orPost Modsum 4−90142318,000 FH or108 Months284000−418ALL,NOTE*DETFUEL STORAGEDetailed Inspection of the Teflon Sleeve on the Fuel Tank Lines and Clearances Between FuelLines and StructureNOTE* Post Modsum 4−11364318,000 FH or108 MonthsTEMPORARYREVISIONTEMPORARYREVISION