Division BAe Systems (Operations) Jetstream 4100 - AD/J4100/6 - Wing Upper Splice Plate - BAe Systems (Operations) Jetstream 4100 Series Aeroplanes

BAe Systems (Operations) Jetstream 4100 Series Aeroplanes

AD/J4100/6	Wing Upper Splice Plate	4/2008 DM

Applicability:	All Model Jetstream Series 4100 aircraft, construction numbers 41004 through 41096, and 41102 through 41004, on which either:Service Bulletin (SB) J41-57-019 or equivalent inspection has not been carried out; or,SB J41-57-019 or equivalent inspection has been carried out and the wing upper splice plates have an eddy current reading of less than 35.0% IACS.Note: Aircraft construction numbers 41097 through 41001 were inspected during production and do not require additional action.
Requirement:	1. Accomplish an eddy current inspection of the wing upper splice plate part number 14157126-3 in accordance with the instructions of British Aerospace Regional Aircraft SB J41-57-019 original issue, or Revision 1, or later EASA approved revision; or using an equivalent approved procedure.Note 1: Wing upper splice plates that have an eddy current reading at or above 35.0% IACS require no further action.2. On aircraft that have an eddy current reading of less than 35.0% IACS, accomplish the borescope inspection of the wing upper splice plate part number 14157126-3 in accordance with paragraphs 2.A. and 2.B. of BAE Systems (Operations) Limited SB J41-57-020 Revision 1, or later EASA approved revision.3. When no corrosion is found, re-inspect the wing upper splice plate part number 14157126-3 in accordance with paragraph 2.B. of BAE Systems (Operations) Limited SB J41-57-020 Revision 1, or later EASA approved revision.4. When corrosion is found that is less than the limits specified in Figure 1 of SB J41-57-020 Revision 1, or later EASA approved revision, re-inspect the wing upper splice plate part number 14157126-3 in accordance with paragraph 2.B. of BAE Systems (Operations) Limited SB J41-57-020 Revision 1, or later EASA approved revision.5. When corrosion is found that is outside the acceptable limits, either replace the wing upper splice plate in accordance with SB J41-57-021 Revision 1, or later EASA approved revision, or repair the wing upper splice plate in accordance with a repair approved by EASA.Note 2: Installing a replacement wing upper splice plate part number 14157126-3PF in accordance with SB J41-57-021 Revision 1, or later EASA approved revision, provides terminating action for the repeat inspections of Requirements 3 or 4, as applicable.Note 3: EASA AD 2007-0056 refers.
Compliance:	1. Within 3 months after 20 February 2008, unless already accomplished.2. Before further flight after the Requirement 1 inspection.3. At intervals not to exceed 12 months.4. At intervals not to exceed 12 months and, within 3 years of the corrosion being discovered, replace the wing upper splice plate in accordance with SBJ41-57-021 Revision 1, or later EASA approved revision.5. Before further flight.

Applicability:

All Model Jetstream Series 4100 aircraft, construction numbers 41004 through 41096, and 41102 through 41004, on which either:Service Bulletin (SB) J41-57-019 or equivalent inspection has not been carried out; or,SB J41-57-019 or equivalent inspection has been carried out and the wing upper splice plates have an eddy current reading of less than 35.0% IACS.Note: Aircraft construction numbers 41097 through 41001 were inspected during production and do not require additional action.

Requirement:

1. Accomplish an eddy current inspection of the wing upper splice plate part number 14157126-3 in accordance with the instructions of British Aerospace Regional Aircraft SB J41-57-019 original issue, or Revision 1, or later EASA approved revision; or using an equivalent approved procedure.Note 1: Wing upper splice plates that have an eddy current reading at or above 35.0% IACS require no further action.2. On aircraft that have an eddy current reading of less than 35.0% IACS, accomplish the borescope inspection of the wing upper splice plate part number 14157126-3 in accordance with paragraphs 2.A. and 2.B. of BAE Systems (Operations) Limited SB J41-57-020 Revision 1, or later EASA approved revision.3. When no corrosion is found, re-inspect the wing upper splice plate part number 14157126-3 in accordance with paragraph 2.B. of BAE Systems (Operations) Limited SB J41-57-020 Revision 1, or later EASA approved revision.4. When corrosion is found that is less than the limits specified in Figure 1 of SB J41-57-020 Revision 1, or later EASA approved revision, re-inspect the wing upper splice plate part number 14157126-3 in accordance with paragraph 2.B. of BAE Systems (Operations) Limited SB J41-57-020 Revision 1, or later EASA approved revision.5. When corrosion is found that is outside the acceptable limits, either replace the wing upper splice plate in accordance with SB J41-57-021 Revision 1, or later EASA approved revision, or repair the wing upper splice plate in accordance with a repair approved by EASA.Note 2: Installing a replacement wing upper splice plate part number 14157126-3PF in accordance with SB J41-57-021 Revision 1, or later EASA approved revision, provides terminating action for the repeat inspections of Requirements 3 or 4, as applicable.Note 3: EASA AD 2007-0056 refers.

Compliance:

1. Within 3 months after 20 February 2008, unless already accomplished.2. Before further flight after the Requirement 1 inspection.3. At intervals not to exceed 12 months.4. At intervals not to exceed 12 months and, within 3 years of the corrosion being discovered, replace the wing upper splice plate in accordance with SBJ41-57-021 Revision 1, or later EASA approved revision.5. Before further flight.

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BAe Systems (Operations) Jetstream 4100 Series Aeroplanes