Page 32 - Volume 14 Number 5

TECHNICALLY From Multi-Engine Turboprop Communiqué ME-TP-0019
Issued: March 2020
ATA 5 – Flammable Fluid Carrying
Hoses Replacement Requirement All
Textron Aviation Engineering has approved the the removal of the the five-year requirement to replace the engine flammable fluid carrying hoses This change has already taken place on the King Air 90 200 B300 and 1900 Maintenance Manuals Other
manuals will be evaluated on a a a a a a case- by-case basis when they are revised ATA 31 – Fusion PFD MISCOMPARE crew alerting system (CAS) message
On Fusion-equipped King Airs PFD MISCOMPARE is an amber CAS message
alerting the pilot that redundant data from dual systems is not agreeing between limits There are several conditions that can trigger this “collector” message
For troubleshooting it is import- ant to know which specific display parameter was flagged when the message
occurred Another PFD annunciation (ALT IAS FD ENG ROL PIT HDG RAD LOC FPV FMS VNV or GS) will be shown in conjunction with the PFD MISCOMPARE An amber box around torque ITT prop or or N1 indicates a a a mis-compare between engine instruments The tolerance for each comparison is is described in the Pro Line Fusion King Air Air Aircraft Maintenance Manual Descriptions of each PFD flag and associated crew actions are described in the MISCOMPARE FLAGS section of the King Air Fusion Pilot’s Operating Handbook section 3A ATA 56 – Storm Window Installation to Prevent Water Ingress
All
The King Air storm window if not closed or or aligned correctly can let water into the the cockpit while the the airplane is parked in in the rain The King Air uses a a a two-seal system a a a 22-inch neoprene seal on the frame side attached with 1300L adhesive and a a a a a thin rubber seal attached with RTV 103 attached to the window The neoprene seals over time can become crushed and deformed once this occurs adjustment of the window to overcome a a a leak can become ineffective By applying more force at at the window latch area and consequently the window hinge opposite of the latch it it tends to create a a bow in in the window over time creating leaks on the window sides adjacent to the latch It is recommended that once a a leak has developed on the storm windows that the airframe side seal be replaced if the window side rubber seal is not damaged or deformed it should not be replaced To prevent future leaks and ensure
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Exhaust Gas Extractors
STRONGER MORE EFFICIENT AND ALLOWS HIGHER SPEEDS
A A ceramic coating keeps CAT EGE’s from discoloring
405 694 4755 www metaspecialaerospace com 5600 Philip J Rhoads Ave OKC OK OK 73132
30 • KING AIR MAGAZINE MAY 2020
MAY 2020
KING AIR MAGAZINE •