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68-05-01 - Civil Aviation Safety Authority For carburetor type engines, special attention should be given to the exhaust stack under the carburetor heat shroud Except during the initial inspection, the muffler need not be removed from the airplane, provided visual inspection with probe light and mirror is made through the muffler tail pipe outlet and one end of the muffler at the stack
Exhaust System AD 68-05-01 Inspection Interval - ShortWingPipers. Org I found that they have an Alternative Means of Compliance to AD 68-05-01, approved by the Atlanta Aircraft Certification Office, that allows systems they've overhauled to revert to the 100 hour inspection interval until they reach 950 hours time in service since overhaul
Piper 24-250 Comanche Exhaust System Itemized Parts List AD 68-05-01 for exhaust systems less than 950 hours TIS, 100 hr repetitive inspection of entire exhaust system and internal inspection of muffler Inspection interval increases to 50 hours after 950 hours time in service
AD 68-05-01 Exhaust system? | Piper J3 Cub Aviation Airplane Forum I'm sure the AD is conservative and the 1000 hours is probably the minimum time before failure plus some So if my muffler only has 300 hours do I really need to take it all apart every 50 hours or is every 100 adequate or some other number
NEW PMA PIPER PA-32R-301 MUFFLER - Quality Aircraft Accessories This Muffler is designed and manufactured in a state of the art facility by a world class team of welders and fabricators, using aerospace grade 321 stainless steel, which provides reliable service and resist corrosion in high temperature exhaust system conditions
PIPER, PA-24-180, Comanche, Exhaust System. - Acorn Welding Inspect exhaust system for cracks, corrosion, heat damage or weld separations Less than 950 hrs of operation inspect every 100 hrs More than 950 hrs of operation inspect every 50 hrs Repair or replace if defects found
The Mystery Oil debate, and the multiple ways to accomplish AD 68-05-01 My mechanic says I need to do this repetitive inspection of the exhaust system because of AD is 68-05-01 This Airworthiness Directive applies to the exhaust systems of hundreds of Piper singles ranging from the J-3 up through every model except the PA-24-400 and a few PA-24-260s
A71053-02 PIPER J-3 CUB MUFFLER NEW FAA PMA REPLACES PIPER PART 71053-02 AWI new, overhauled and repaired parts meet the FAA airworthiness requirements AIRWORTHINESS DIRECTIVE (AD) AD 68-05-01 FOR EXHAUST SYSTEMS WITH LESS THAN 950 HR TIME IN SERVICE, 100 HOUR REPETITIVE INSPECTION OF ENTIRE EXHAUST SYSTEM AND INTERNAL INSPECTION OF MUFFLER