AD 2005-25-09

You are responsible for having the actions required by this AD performed within the compliance times specified unless the actions have already been done.

(f) Within the next 60 days after the effective date of this AD, revise the Time Limits Section (TLS) of the Engine Manuals (EMs), part numbers 50A443, 50A605, 50A822, 51A342, 51A345, and 51A751, as applicable, for PW Models PW4050, PW4052, PW4056, PW4060, PW4060A, PW4060C, PW4062, PW4062A, PW4152, PW4156, PW4156A, PW4158, PW4160, PW4460, PW4462, PW4650, PW4164, PW4168, PW4168A, PW4074, PW4074D, PW4077, PW4077D, PW4084, PW4084D, PW4090, PW4090-3, PW4090D, and PW4098 turbofan engines, and for air carriers, revise the approved continuous airworthiness maintenance program, by adding the following:

(1) Perform inspections of the following parts at each piece-part opportunity in accordance with the instructions provided in the PW4000 series Engine Cleaning, Inspection and Repair (CIR) Manuals:

For Engine Manuals 50A443, 50A605, and 50A822, add the following table data:

For Engine Manual 51A342, add the following table data:

For Engine Manuals 51A345 and 51A751, add the following table data:

For Engine Manuals 50A443, 50A605, and 50A822, add the following table data:

For Engine Manual 51A342, add the following table data:

For Engine Manuals 51A345 and 51A751, add the following table data:

For Engine Manuals 50A443, 50A605 and 50A822, add the following table data:

For Engine Manual 51A342, add the following table data:

For Engine Manual 51A345, add the following table data:

For Engine Manual 51A751, add the following table data:

(2) For the purposes of these mandatory inspections, piece-part opportunity means:

(i) The part is considered completely disassembled when done in accordance with the disassembly instructions in the manufacturer's engine manual to either part number level listed in the table above, and

(ii) The part has accumulated more than 100 cycles in service since the last piece-part opportunity inspection, provided that the part was not damaged or related to the cause for its removal from the engine.”