NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform the operations identified with a "0" unless the annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations.
AHAA
Validity : S / N 1 - 9999 05 20 01Page 244
(IA) JUN 01
 

ATA OPERATIONS Area INSPECTIONS
   1st
25 hrs 50
hrs 100
hrs Major Ann. Other
78-00 EXHAUST       
78-00 General       
78-00 1) Visually inspect the exhaust pipe, the
exchanger (and the muffler if installed), and thoroughly inspect the attach fittings, the casings and welds for cracks. 100  X    
78-00 2) Remove the heat exchanger and the
exhaust pipe (and the muffler, if installed) -refer to 21-40-01 201, 78-00-00 201,
78-20-00 201. 100   X X 0 NOTE 1
78-00 3) Thoroughly inspect the attach fittings, the tubes, the exhaust pipe, the exchanger (and the muffler, if installed). Look for welding defects and cracks on the inner and outer casings - refer to 78-00-00 201. 100   X X 0 NOTE 1
78-00 4) Install the exhaust pipe and the exchanger 100   X X 0 NOTE 1
 (and the muffler, if installed) - refer to       
 78-00-00 201, 21-40-01 201,
78-20-00 201.       
78-10 Exhaust manifolds       
78-10 1) Check attaching flanges at exhaust outlets on cylinder for evidence of leakage. If found loose, the flanges must be removed and machined flat before they are reassembled and tightened. 100  X X X 0 NOTE 1
78-10 2) Inspect exhaust manifolds for general
condition. 100  X X X 0 NOTE 1
78-20 Muffler       
78-20 1) Check the steel wool in the muffler (if
installed) for condition - refer to 100   X X 0 NOTE 1
 78-20-00 201.       
 NOTE : After replacement of the steel wool, this check shall be
performed at 300 hrs, then
every 100 hrs until next
replacement.       

NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform the operations identified with a "0" unless the annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations.
　
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