SDR F3LA200300014

Service difficulty report · Floorbeam · Boeing 7373M8

Difficulty date: January 18, 2003
Submitted: January 24, 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 FLOORBEAM AT STA 294.5 CORRODED IN SEVERAL AREAS FROM BL 0 TO RT MOPSILL. DETERMINED CORROSION ON FLOORBEAM AT STA 294.5 FROM CENTER TO LBL 12 TO BE OUT OF LIMITS PER SRM 53-10-15. REPAIRED FLOORBEAM UPPER CHORD FROM LBL 22 TO RBL 59 PER SRM 53-10-51, FIG 205, SRM 51-40-2 AND SOPM 20-41-02.

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