SDR UIEA200200045

Service difficulty report · Web · Boeing 7472D3B

Difficulty date: September 20, 2002
Submitted: October 31, 2002
Operation: Air carrier
Aircraft: N505MC
Make and model: Boeing 7472D3B
Aircraft serial: 21251
Engine: Ge CF650*
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Cracked
Location: Fuselage
Part time: 81,187 hours
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

DURING CURRENT C CHECK, FOUND SHEAR WEB FLANGE AT BS 340 TO 360 STR 26R WITH CRACKS ALONG THE SKIN FASTENER ROW. CUT AND REMOVED THE CRACKED FLANGE AT THE WEB RADIUS. HFEC INSPECTION PERFORMED ON EXTERNAL SKIN AND WEB CUT LINE. NO ADDITIONAL CRACKS FOUND. FABRICATED REPAIR ANGLE, RADIUS FILLER STRIP AND TAPERED SHIM. INSTALLED PARTS AND FASTENERS WET WITH BMS 5-95 SEALANT IAW SRM, SB.

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