SDR USAA051249

Service difficulty report · Crease Beam · Boeing 7373B7

Difficulty date: October 25, 2005
Submitted: October 26, 2005
Operation: Air carrier
Aircraft: N525AU
Make and model: Boeing 7373B7
Aircraft serial: 23860
Aircraft time: 51,400 hours, 51,400 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Condition: Corroded
Location: Bs 727b-727c
Stage of operation: IN
How discovered: 9
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

FOUND CORROSION TOP SURFACE OF S-17L CREASE BEAM WEB; BETWEEN BS 727B AND 727C. REMOVED FASTENERS IN AREA, REMOVED SURF CORROSION, TREATED AND PRIMED, INSTALLED FASTENERS IAW SRM 53-60-13, DEFECT SIZE: 2" BY 1" BY 0.002" CORRODED AREA.

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