Gentlemen, Cessna has issued a software upgrade (SEB-34-16) for our WAAS equipped 172, 182 and 206 G1000 aircraft that currently have software level 563.26 and 563.27 installed. This should include 2007 through 2014 models.
Purpose: To provide information on an improved switch-annunciator dimming circuit that was incorporated after July 2011. This product improvement was made based on reports from the field of failures in the switch annunciator dimming circuit.
Reason: The purpose of this service letter is to transmit Hartzell Engine Technologies (HET) Service Bulletin No. 053, Alternator HET p/n ASG12000 (-1, -2, & -3) Housing Gap Check.
Title: Fuel - Belly Fuel Drain Fitting Assembly Inspection
Reason: Cessna has received a report of fuel seepage from the O-rings on the 203003-4-4S Tee Fitting where it attaches at the 2116016-4 Belly Fuel Drain Fitting Assembly. This service letter provides instructions to do an inspection for seepage and an extruding O-ring at the belly fuel drain fitting assembly.
Compliance: Recommended. Should be accomplished the next 100hr or 12 month inspection, whichever occurs first.
Title: Flight Controls - Flap Control Modification
Reason: Cessna has received reports that, at full travel of the flaps, there can be interference between the torque tube and the bellcrank assembly and the 1262048-4 Support Bracket attached to the flap control mounting bracket.
Ladies and Gentlemen, Cessna is offering an improved nose gear strut tube assembly via Service Bulletin SEB-32-02 for the following aircraft models and serial numbers:
182T – Serial numbers 18282121 through 18282359
Ladies and gentlemen, Cessna has issued Service Bulletin SEB-32-01 requiring an inspection of the MLG break lines for chaffing on the lower portion of the MLG strut fairings on our 2008 and above 182T and T182T aircraft. Compliance with this service bulletin is recommended, however for aircraft still under warranty Cessna will cover the inspection and replacement of the brake lines if required. Warranty action will have to be filed at or through a Cessna Service Center. Please call if you have any questions or concerns. Thanks.
Navigation - Garmin G1000 Enhanced Search and Rescue Enablement
Reason: To provide enablement instructions for the Garmin G1000 Enhanced Search and Rescue (SAR) feature. The enhanced SAR upgrade enhancement provides air crews with step-by-step tracking procedures for SAR mission by incorporating search patterns into a flight plan.
Title: Roller Housing Inspection. Effects numerous models. This SB provides Cessna information for use during compliance with AD 2011-10-09.
Aileron Control Cable Fairlead Modification
Effectivity: 172R (17280001 thru 17281577) and 172S (172S8001 thru 17211084)