NOTE 1 : If a 100-hr. inspection has been carried out during the last 3 months, do not perform this operation unless this annual inspection replaces a 100-hr. inspection. For US registered aircraft, perform all operations.
ADAA
Validity : S / N 1 - 9999 05-20-06 Page 224
(EA) JUN 01
ATA ANNUAL INSPECTION (AI)
ENGINE COMPARTMENT INSPECTION (AREA 100) AREA OTHER
INSPECTION PERFORMED
BY
78-00 73) 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 NOTE 1
78-00 74) Thoroughly inspect the attach fittings, the tubes, the exhaust pipe, the exchanger (and the muffler, if installed). 100 NOTE 1
Look for welding defects and cracks on the inner and outer casings - refer to 78-00-00 201.
78-10 75) 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 NOTE 1
78-10 76) Inspect exhaust manifolds for general condition. 100 NOTE 1
78-20 77) Check the steel wool in the muffler (if installed) for
condition - refer to 78-20-00 201. 100 NOTE 1
NOTE : After replacement of the steel wool, this check shall be performed at 300 hrs, then every 100 hrs until next replacement.
78-00 78) Install the exhaust pipe and the exchanger (and the muffler, if installed) - refer to 78-00-00 201,
21-40-01 201, 78-20-00 201. 100 NOTE 1
77-00 79) Visually inspect routing and condition of attach fittings, lines, connections and sensors of : 000
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