SDR FDEA200907272770

Service difficulty report · Floorbeam · Boeing 75721B

Difficulty date: July 27, 2009
Submitted: July 27, 2009
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 52,447 hours, 30,243 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Zone 200
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

BS 1661 RBL 55 TOP OF FLOORBEAM FOUND CORRODED. EVALUATE AND REPAIR. REPAIRED FLOORBEAM AT BS 1661 RBL 55 IAW PTF STA ENGRG EA NR 757- 5361-08-E0277 REV. -, CORROSION ON FLOORBEAM UPPER CHORD AT STA 1661 RBL 58.22 AFFECTING INSTALLATION OF STIFFENER AND SHEAR WEB. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA. RE-WORK REQUIRED DUE TO CORRECTIVE ACTION CROSS REFERENCE TO STA ENGRG. EA NR 757-5361-08-E0277. AN SNRM NR N05239 WAS GENERATED TO RE-WORK AND COMPLY IAW EA F-5360-131746 REV.- .

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