SDR F3LA200300009

Service difficulty report · Floorbeam · Boeing 7373M8

Difficulty date: January 17, 2003
Submitted: January 20, 2003
Operation: Air carrier
Aircraft: N303FL
Make and model: Boeing 7373M8
Aircraft serial: 25039
Aircraft time: 35,592 hours, 16,191 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Fuselage
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 C-4 CHECK, INSPECTION REPORTED CABIN FLOORBEAM AT STA 987.5, RBL 24.25 TO LBL 45.50, SHOWED SIGNS OF CONTAMINATION AND BLUE WATER CONTAMINATION. BLENDED CORROSION ON FLOORBEAM UPPER CAP AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG 101. FABRICATED AND INSTALLED UPPER CAP PER SRM 53-00-51, FIG 202, AND SOPM 20-41-02.

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