SDR SCNA99745

Service difficulty report · Floorbeam · Boeing 727259

Difficulty date: October 24, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N289SC
Make and model: Boeing 727259
Aircraft serial: 22475
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1110
Stage of operation: IN
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 HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS ON BOTTOM FWD FLANGE OF MAIN FLOOR T-CAP AROUND NUT CLIP HOLES, FS 1110 BL 0. REMOVED CORROSION IAW SRM 511006. REMOVED DAMAGED AREA, FABRICATED 2 ANGLES FROM BAC 14902831, FABRICATED 1 FILLER FROM 7075 T6 .125 IAW SRM 531008. TREATED AND PRIMED IAW SRM 511002, MM 512002. INSTALLED IAW SRM 531008 AND 513002.