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Airworthiness directives › 2013-04-05

AD 2013-04-05 Airworthiness Directives; The Boeing Company Airplanes

2013-03-28
2013-02-21
39-17362
FAA-2010-0036
Airframe
—

Models named: 737-200, -200C, -300, -400, -500 series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to The Boeing Company Model 737-200, -200C, -300, -400, and -500 series airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin 737-53-1287, Revision 1, dated November 15, 2010.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Except as required by paragraph (j)(1) of this AD, at the applicable times specified in tables 1 through 9 of paragraph 1.E., “Compliance,” of Boeing Special Attention Service Bulletin 737-53-1287, Revision 1, dated November 15, 2010: Do the applicable inspections (external detailed; external high frequency eddy current (HFEC); and internal detailed and HFEC) for cracks and corrosion in the skin, support, frames, stringers, or antenna, as applicable. Do the inspections in accordance with Parts 1, 3, 4, and 5 of the Accomplishment Instructions of Boeing Special Attention Service Bulletin 737-53-1287, Revision 1, dated November 15, 2010, except as required by paragraphs (j)(2) and (j)(3) of this AD. Repeat the applicable inspections thereafter at the applicable times specified in tables 1 through 9 of paragraph 1.E., “Compliance,” of Boeing Special Attention Service Bulletin 737-53-1287, Revision 1, dated November 15, 2010, until the actions specified in paragraph (k) of this AD are done.

Unsafe condition

This AD was prompted by reports of cracks of the skin and surrounding structure under the number 3 very high frequency (VHF) antenna on the lower external surface of the airplane at buttock line 0.0, aft of the main landing gear wheel well. We are issuing this AD to detect and correct cracks and corrosion of the skin and surrounding structure under the number 3 VHF antenna, which could result in separation of the antenna from the airplane, and rapid depressurization of the airplane.

Affected ADs

AD 90-06-02, Amendment 39-6489 (55 FR 8372, March 7, 1990), affects this AD.

Read the original on the Federal Register →

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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1