SDR SCNA98715

Service difficulty report · Support · Boeing 727259

Difficulty date: September 2, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N289SC
Make and model: Boeing 727259
Aircraft serial: 22475
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Bs 320
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 A HEAVY MAINT CHECK, FLOORBOARD SUPPORT FRAME WAS FOUND TO HAVE CORROSION A BS STA 320. CORROSION ON FLOORBOARD SUPPORT BEAM WAS FOUND TO BE OUT OF LIMITS IAW B727 SRM 531001. REMOVED DAMAGED FLOORBEAM SUPPORT IAW B727 SRM 513002. FABRICATED NEW FLOOR BEAM SUPPORT FROM 7075 T6, EXTRUSION AND FILLER FROM 7075 T6 .063 IAW B727 SRM 531002 AND SRM 514003. TREATED AND PRIMED IAW B727 SRM 511002 AND MM 512002. INSTALLED IAW B727 SRM 513002.