SDR UIEA2026042200232

Service difficulty report · Beam · Boeing 74747UF

Difficulty date: May 23, 2026
Submitted: May 27, 2026
Operation: Air carrier
Aircraft: N477MC
Make and model: Boeing 74747UF
Aircraft serial: 29255
Aircraft time: 108,821 hours, 19,065 cycles
System (JASC): 5710 · Wing Main, Frame Structure
Part: Beam
Condition: Cracked
Location: Zone 600
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RHW L/E NEAR #4 PYLON I/B D-BEAM WEB CRACK ( ILES 1116 )(<P>CRACK WEB REPLACED AS PER SRM 51-10-02, AND NEW WEB HOLES TRANSFERRED AS PER SRM 51-40-05, AND NEW WEB INSTALLED AS PER SRM 51-40-02 AND RI-57-41-18200 REV A. NO FURTHER DEFECTS NOTED.</P>)

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