AD 2012-22-12

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

At the applicable time specified in paragraph (g)(1) or (g)(2) of this AD, do a boroscope inspection of each air intake cowl assembly of each engine to detect cracked or fractured piccolo tubes, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011. If any cracked or fractured piccolo tube is found: Before further flight, replace the affected engine air intake cowl with a new or serviceable engine air intake cowl, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011.

(1) For any engine air intake cowl that has accumulated fewer than 5,000 flight cycles since its first installation on an airplane as of the effective date of this AD: Inspect within 24 months after the engine air intake cowl has accumulated 5,000 total flight cycles.

(2) For any engine air intake cowl that has accumulated 5,000 or more flight cycles since its first installation on an airplane as of the effective date of this AD: Inspect within 24 months after the effective date of this AD.

If the inspection findings of paragraph (g) of this AD indicate no cracked or fractured piccolo tube: Before further flight, do a boroscope inspection of the piccolo tube links to detect broken links, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011. If no broken links are found: Before further flight, do the actions required by paragraph (i) of this AD.

(1) If four or more broken piccolo tube links are found: Before further flight, replace the affected engine air intake cowl with a new or serviceable engine air intake cowl, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011.

(2) If three or fewer broken piccolo tube links are found, and the opposite engine air intake cowl of the same airplane has accumulated 5,000 flight cycles or less since the engine air intake cowl was first installed on an airplane: Before further flight, do the actions in Figure A-FBBAA-Sheet 03, Flow Chart, of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011, as required by paragraph (i) of this AD.

(3) If three or fewer broken piccolo tube links are found, and the opposite engine air intake cowl of the same airplane has accumulated more than 5,000 flight cycles since the engine air intake cowl was first installed on an airplane: Before further flight, do a boroscope inspection of the piccolo tube links of the opposite engine air intake cowl side to detect broken links, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011.

(i) If the inspection findings of the piccolo tube links of the opposite engine air intake cowl side indicate no broken piccolo tube links: Before further flight, do the actions required by paragraph (i) of this AD.

(ii) If the inspection findings of the piccolo tube links of the opposite engine air intake cowl side indicate one or more broken piccolo tube links: Before further flight, do the actions specified in Note 01 of Figure A-FBBAA-Sheet 02, Flow Chart, of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011, at the time specified in Note 01 of Figure A-FBBAA-Sheet 02, Flow Chart, of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011, except for the instructions to “See Sheet 03.” Where Note 01 of Figure A-FBBAA-Sheet 02, Flow Chart, of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011, specifies to “See Sheet 03” to do a detailed inspection of the OBA and bulkhead, as specified in Rolls-Royce Service Bulletin RB.211-71-AG416, excluding Appendix 1, dated September 3, 2010: This AD requires the detailed inspection specified in Figure A-FBBAA-Sheet 03, Flow Chart, of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011, to be done in accordance with paragraph (i) of this AD.

If the results of the inspection required by paragraph (h) of this AD indicate no broken piccolo tube links, or if the requirements in paragraph (h)(2) or (h)(3)(ii) of this AD specify to do the actions in Figure A-FBBAA-Sheet 03, Flow Chart, of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011: Before further flight, do a boroscope inspection of the OBA and forward bulkhead to detect cracks or fractures, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011; and the Accomplishment Instructions of Rolls-Royce Service Bulletin RB.211-71-AG416, excluding Appendix 1, dated September 3, 2010.

(1) If the findings of the inspection are within the allowable damage limits, as specified in the Accomplishment Instructions of Rolls-Royce Service Bulletin RB.211-71-AG416, excluding Appendix 1, dated September 3, 2010: Do the actions in paragraphs (i)(1)(i) and (i)(1)(ii) of this AD.

(i) Repeat the inspection of the OBA and forward bulkhead thereafter at the repeat interval specified in Part 3.B. of the Accomplishment Instructions of Rolls-Royce Service Bulletin RB.211-71-AG416, excluding Appendix 1, dated September 3, 2010.

(ii) Repeat the inspections specified in paragraphs (g) and (h) of this AD thereafter at intervals not to exceed 2,500 flight cycles.

(2) If the findings of the inspection are not within the allowable damage limits, as specified in the Accomplishment Instructions of Rolls-Royce Service Bulletin RB.211-71-AG416, excluding Appendix 1, dated September 3, 2010: Do the actions in paragraphs (i)(2)(i) or (i)(2)(ii) of this AD, as applicable.

(i) If any OBA crack is 22 inches or greater, or any forward bulkhead crack is 13 inches or greater: Before further flight, replace the affected engine air intake cowl with a new or serviceable engine air intake cowl, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011.

(ii) If any OBA crack is 15 inches or greater, but less than 22 inches, or any forward bulkhead crack is 9 inches or greater, but less than 13 inches: Within 100 flight cycles, replace the affected engine air intake cowl with a new or serviceable engine air intake cowl, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-71-3025, excluding Appendices 01 and 02, dated January 10, 2011.

If any engine air intake cowl is replaced in accordance with the requirements of this AD with an engine air intake cowl that has less than 5,000 flight cycles since the engine air intake cowl was first installed on an airplane: Repeat the inspection required by paragraph (g) of this AD thereafter at the compliance time specified in paragraph (g)(1) of this AD.

(1) If any engine air intake cowl is replaced in accordance with the requirements of this AD with an engine air intake cowl with 5,000 flight cycles or more since the engine air intake cowl was first installed on an airplane: Repeat the inspections required by paragraphs (g) and (h) of this AD thereafter at intervals not to exceed 2,500 flight cycles.

(2) If any engine air intake cowl is replaced in accordance with the requirements of this AD with an engine air intake cowl with 5,000 flight cycles or more since the engine air intake cowl was first installed on an airplane: Repeat the inspections required by paragraph (i) of this AD thereafter at the intervals specified in the Accomplishment Instructions of Rolls-Royce Service Bulletin RB.211-71-AG416, excluding Appendix 1, dated September 3, 2010.