Document ID: chunk:federal_register_of_legislation:F2006B11215:body:0:p1
Version: federal_register_of_legislation:F2006B11215
Segment Type: other
Provision Reference: 
Character Range: 4–3552

Lycoming Piston Engines

AD/LYC/97 Connecting Rod Bolt Inspection 6/95 DM

               Applicability:  The following Textron Lycoming reciprocating engine models, assembled on or after 15 February 1994, and that contain connecting rod bolts shipped directly or indirectly from Superior Air Parts, Inc., on or after 15 February 1994:

               O-360-A1A, -A1AD, -A1C, -A1D, -A1F6, -A1F6D, -A1G6, -A1G6D, -A1LD, -A2A,
               -A2D, -A2E, -A2F, -A2G, -A3A, -A3AD, -A4A, -A4G, -A4J, -A4K, -A4M, -A4N,
               -A5AD, -B2A, -C1A, -C1C, -C1E, -C1F, -C1G, -C2A, -C2C, -C2D, -C2E, -D2A,
               -D2B, and -F1A6;

               IO-360-A1A, -A1B, -A1B6, -A1B6D, -A1C, -A1D, -A1D6, -A2A, -A2B, -A3B6D,
               -B1A, -B1B, -B1D, -B1E, -B1F, -B2F, -B2F6, -B4A, -C1A, -C1B, -C1C6, -C1D6,
               -C1E6, -C1F, and -J1A6D;

               AIO-360-A1A, -A1B, and -B1B; LO-360-A1G6D;
               HO-360-B1A, and -B1B;

               HIO-360-A1A, -B1A, -C1A, -C1B, -E1AD, and -E1BD; LIO-360-C1E6;
               TIO-360-A1B;

               AEIO-360-A1E, -B1G6, and -H1A;

               O-540-A1A, -A1A5, -A1B5, A1C5, -A1D, -A1D5, -A2B, -A3D5, -B1A5, -B1B5,
               -B2B5, -B2C5, -B4B5, -E4A5, -E4B5, -E4C5, -F1A5, -F1B5, -G1A5, -G2A5,
               -H1B5D, -H2B5D, J1A5D, -J3A5D, -J3C5D, and -L3C5D;

               IO-540-A1A5, -B1A5, -B1C5, -C1B5, -C4B5, -C4C5, -C4D5D, -D4A5, -E1A5,
               -E1B5, -G1A5, -G1B5, -G1C5, -G1D5, -G1E5, -G1F5, -J4A5, -K1A5, -K1A5D,
               -K1B5, -K1C5, -K1D5, -K1E5, -K1K5, -M1A5, -N1A5, -P1A5, -R1A5, -T4C5D,
               -K1F5, -K1F5D, -K1G5, -K1G5D, -K1J5D, -K1K5, -M1QA5, -M1B5D, -N1A5,
               -P1A5, -R1A5, -S1A5, -T4A5D, -T4B5D, -T4CTD, -V4A5D, -W1A5D, -W3A5D, and -AA1A5;

               TIO-540-A1A, -A1B, -A2A, -A2B, -A2C, -C1A, -E1A, -G1A, -H1A, -J2B, -F2BD,
               -J2BD, -N2BD, -R2AD, -S1AD, -AA1AD, and -AB1AD; LTIO-540-J2B, -F2BD, -J2BD, -N2BD, and -R2AD; IVO-540-A1A;
               AEIO-540-D4B5;

               TIO-541-A1A, E1A4, -E1B4, and -E1C4;
 COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

           IO-720-A1A, -A1B, -B1B, -B1BD, -C1B, and -D1B.

 Requirement: 1. Review engine records to determine if:-

                (a)     The engine was last assembled prior to 15 February 1994, or

(b)     The engine is a first-run engine, or a remanufactured engine from Textron Lycoming, or

(c)     It can be positively established that, for engines assembled on or after 15 February 1994, the engine contains only connecting rod bolts:

                  (i)       that were purchased from Superior Air Parts prior to 15 February 1994 or after 20 December 1994, or

                  (ii)     that were purchased directly from Textron Lycoming, or Aircraft Technologies, Inc., or

                  (iii)  that have not been replaced since 14 February 1994.

           For engines that meet the criteria specified in Requirement 1a, 1b, or 1c, no further action is required. Ensure an appropriate statement is entered into the engine log book.

             2.    For engines that do not meet the criteria specified in Requirement 1, remove cylinders as required and visually inspect each connecting rod bolt to determine if the bolt head is clearly identified with:

(a)     raised letters "SPS", "S", "C", or "FC", identifying them as Textron Lycoming parts, or

(b)     SL75060 etched on the head, identifying them as