SDR UPS99230626

Service difficulty report · Floorbeam · Boeing 72725C

Difficulty date: September 15, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N951UP
Make and model: Boeing 72725C
Aircraft serial: 19850
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 480
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 ON FLOORBEAM LOWER SURFACE AROUND SEVERAL FASTENERS HOLES BS 480, WL 208, BL 0- LBL 45. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS. REPLACED FLOORBEAM UPPER CHORD FROM BL 0 - LBL 45, BS 480 PER SRM 53-10-8 FIG 5.

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