SDR UPS98226521

Service difficulty report · Floorbeam · Boeing 727247

Difficulty date: April 13, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N211UP
Make and model: Boeing 727247
Aircraft serial: 21700
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 720
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

INSPECTION TYPE:SI CORROSION (C53-111-01.00-02)FWD CARGO BAY BS 720 LOWER FLANGE OF FLOORBEAM IN AND AROUND NUT PLATE HOLES LBL 45 TO RBL 25 WL 200, A 2.2 BY .9 BY .125 AREA OF THE LOWER FLANGE AT LBL 16 WAS FOUND TO BE OUT OF LIMITS PER SRM 53-10-1. A STANDARD FLOORBEAM L ANGLE EXTRUSION REPAIR WAS INSTALLED PER SRM 53-10-8, MM 51-20-151 AND MM 51-20-31.