Airworthiness directives › 2019-25-55
AD 2019-25-55 Airworthiness Directives; The Boeing Company Airplanes
Models named: 737-300, -400, -700 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 737-300, -400, and -700 series airplanes, certificated in any category, modified to a Bedek Division Special Freighter (BDSF) by Supplemental Type Certificate (STC) ST01566LA, ST01961SE, or ST02556SE, with a 9G rigid barrier.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Before further flight, comply with the loading restrictions and methods specified in the Accomplishment Instructions of Israel Aerospace Industries Service Bulletin 365-00-054, dated December 2019, except as specified in paragraph (h) of this AD. The loading restrictions include reducing the cargo weights for each loading configuration and using additional straps as applicable.
Unsafe condition
This AD was prompted by a review of the manufacturing process for the 9G rigid barrier installed on BDSF conversions that identified a manufacturing non-compliance. It has been found that the surface preparation before bonding was improperly done, which can affect the 9G rigid barrier's strength characteristics. The FAA is issuing this AD to address potential failure of the 9G rigid barrier under certain emergency landing loads, which could injure occupants.
Affected ADs
None.
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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